ControlPointEditWidget.cpp

#include "IsisDebug.h"

#include "ControlPointEditWidget.h"

#include <iomanip>
#include <sstream>
#include <vector>

#include <QAction>
#include <QCheckBox>
#include <QComboBox>
#include <QFileDialog>
#include <QFileInfo>
#include <QFormLayout>
#include <QGroupBox>
#include <QHBoxLayout>
#include <QLabel>
#include <QMainWindow>
#include <QMessageBox>
#include <QObject>
#include <QPushButton>
#include <QScrollBar>
#include <QShortcut>
#include <QSplitter>
#include <QTableWidget>
#include <QTextEdit>
#include <QVBoxLayout>

#include "Application.h"
#include "Camera.h"
#include "Control.h"
#include "ControlMeasureEditWidget.h"
#include "ControlMeasure.h"
#include "ControlMeasureLogData.h"
#include "ControlNet.h"
#include "ControlPoint.h"
#include "DeleteControlPointDialog.h"
#include "Directory.h"
#include "FileName.h"
#include "IException.h"
#include "Latitude.h"
#include "Longitude.h"
#include "MainWindow.h"
#include "MdiCubeViewport.h"
#include "NewControlPointDialog.h"
#include "NewGroundSourceLocationDialog.h"
#include "Project.h"
#include "Pvl.h"
#include "PvlEditDialog.h"
#include "SerialNumber.h"
#include "SerialNumberList.h"
#include "Shape.h"
#include "ShapeList.h"
#include "SpecialPixel.h"
#include "Table.h"
#include "TemplateList.h"
#include "ToolPad.h"
#include "UniversalGroundMap.h"
#include "ViewportMainWindow.h"
#include "Workspace.h"

using namespace std;

namespace Isis {
  ControlPointEditWidget::ControlPointEditWidget (Directory *directory, QWidget *parent,
                                                  bool addMeasures) : QWidget(parent) {

    m_directory = directory;
    m_addMeasuresButton = addMeasures;
    m_cnetModified = false;
    m_templateModified = false;
    m_serialNumberList = NULL;
    m_editPoint = NULL;

    m_changeAllGroundLocation = false;
    m_changeGroundLocationInNet = false;
    m_demOpen = false;

    m_parent = parent;

    createPointEditor(parent, m_addMeasuresButton);

    connect(this, SIGNAL(newControlNetwork(ControlNet *)),
            m_measureEditor, SIGNAL(newControlNetwork(ControlNet *)));

    connect(m_directory->project(), SIGNAL(templatesAdded(TemplateList *)),
            this, SLOT(addTemplates(TemplateList *)));
  }


  ControlPointEditWidget::~ControlPointEditWidget () {

  }


  QString ControlPointEditWidget::editPointId() {

    QString result = "";
    if (m_editPoint) {
      result = m_editPoint->GetId();
    }
    return result;
  }


  ControlPoint *ControlPointEditWidget::editPoint() {

    ControlPoint *result = NULL;
    if (m_editPoint) {
      result = m_editPoint;
    }
    return result;
  }


  void ControlPointEditWidget::createPointEditor(QWidget *parent, bool addMeasures) {

    setWindowTitle("Control Point Editor");
    setObjectName("ControlPointEditWidget");
    connect(this, SIGNAL(destroyed(QObject *)), this, SLOT(clearEditPoint()));

    createActions();

    // create m_measureEditor first since we need to get its templateFileName
    // later
    m_measureEditor = new ControlMeasureEditWidget(parent, true, true);

    //  TODO Does this need to be moved to ControlNetEditMainWindow???
    connect(this, SIGNAL(newControlNetwork(ControlNet *)),
        m_measureEditor, SIGNAL(newControlNetwork(ControlNet *)));


    connect(this, SIGNAL(stretchChipViewport(Stretch *, CubeViewport *)),
            m_measureEditor, SIGNAL(stretchChipViewport(Stretch *, CubeViewport *)));
    connect(m_measureEditor, SIGNAL(measureSaved()), this, SLOT(measureSaved()));
    connect(this, SIGNAL(cnetModified()), this, SLOT(colorizeSaveNetButton()));

    QPushButton *addMeasure = NULL;
    if (m_addMeasuresButton) {
      addMeasure = new QPushButton("Add Measure(s) to Point");
      addMeasure->setToolTip("Add a new measure to the edit control point.");
      addMeasure->setWhatsThis("This allows a new control measure to be added "
         "to the currently edited control point.  A selection "
         "box with all cubes from the input list will be "
         "displayed with those that intersect with the "
         "control point highlighted.");
      //TODO addMeasure() slot is not implemented ???
      connect(addMeasure, SIGNAL(clicked()), this, SLOT(addMeasure()));
    }

    m_reloadPoint = new QPushButton("Reload Point");
    m_reloadPoint->setToolTip("Reload the control point.");
    m_reloadPoint->setWhatsThis("Reload the measures for the control point"
                            " in the Chip Viewports to its saved values. ");
    connect(m_reloadPoint, SIGNAL(clicked()), this, SLOT(reloadPoint()));

    m_savePoint = new QPushButton ("Save Point");
    m_savePoint->setShortcut(Qt::Key_P);
    m_savePoint->setToolTip("Save the edit control point to the control network. "
                            "<strong>Shortcut: P</strong>");
    m_savePoint->setWhatsThis("Save the edit control point to the control "
                    "network which is loaded into memory in its entirety. "
                    "When a control point is selected for editing, "
                    "a copy of the point is made so that the original control "
                    "point remains in the network.");
    m_saveDefaultPalette = m_savePoint->palette();
    connect (m_savePoint, SIGNAL(clicked()), this, SLOT(savePoint()));

    m_saveNet = new QPushButton ("Save Control Net");
    m_saveNet->setShortcut(Qt::Key_S);
    m_saveNet->setToolTip("Save current control network. "
                          "<strong>Shortcut: S</strong>");
    m_savePoint->setWhatsThis("Save the control network.");
//    m_saveDefaultPalette = m_savePoint->palette();
//  This slot is needed because we cannot directly emit a signal with a ControlNet
//  argument after the "Save Net" push button is selected since the parameter list must match.
//  The saveNet slot will simply emit a signal with the ControlNet as the argument.
    connect (m_saveNet, SIGNAL(clicked()), this, SLOT(saveNet()));

    QHBoxLayout * saveMeasureLayout = new QHBoxLayout;
    if (m_addMeasuresButton) {
      saveMeasureLayout->addWidget(addMeasure);
    }

    saveMeasureLayout->addWidget(m_reloadPoint);
    saveMeasureLayout->addWidget(m_savePoint);
    saveMeasureLayout->addWidget(m_saveNet);
    saveMeasureLayout->insertStretch(-1);

    m_cnetFileNameLabel = new QLabel("Control Network: " + m_cnetFileName);

    // Create a combobox to allow user to select either the default registration file or one of the
    // imported registration files.
    m_templateComboBox = new QComboBox();
    m_templateComboBox->setToolTip("Choose a template file");
    m_templateComboBox->setWhatsThis("FileName of the sub-pixel "
                  "registration template.  Refer to $ISISROOT/doc/documents/"
                  "PatternMatch/PatternMatch.html for a description of the "
                  "contents of this file.");
    m_templateComboBox->addItem(m_measureEditor->templateFileName());
    QList <TemplateList *> regTemplates = m_directory->project()->regTemplates();
    foreach(TemplateList *templateList, regTemplates) {
      foreach(Template *templateFile, *templateList){
        m_templateComboBox->addItem(templateFile->importName()
                                    + "/" + FileName(templateFile->fileName()).name());
      }
    }
    QFormLayout *templateFileLayout = new QFormLayout();
    templateFileLayout->addRow("Template File:", m_templateComboBox);

    // Set-up connections to give registration combobox functionality
    connect(m_templateComboBox, SIGNAL(activated(QString)),
            this, SLOT(setTemplateFile(QString)));
    connect(m_measureEditor, SIGNAL(setTemplateFailed(QString)),
            this, SLOT(resetTemplateComboBox(QString)));

    QVBoxLayout * centralLayout = new QVBoxLayout;

    centralLayout->addWidget(m_cnetFileNameLabel);
    centralLayout->addLayout(templateFileLayout);
    centralLayout->addWidget(createTopSplitter());
    centralLayout->addStretch();
    centralLayout->addWidget(m_measureEditor);
    centralLayout->addLayout(saveMeasureLayout);

    QWidget *centralWidget = new QWidget;
    centralWidget->setLayout(centralLayout);

    QScrollArea *scrollArea = new QScrollArea();
    scrollArea->setObjectName("ControlPointEditWidgetScroll");
    scrollArea->setWidget(centralWidget);
    scrollArea->setWidgetResizable(true);
    centralWidget->adjustSize();

    QHBoxLayout *mainLayout = new QHBoxLayout;
    mainLayout->addWidget(scrollArea);
    setLayout(mainLayout);

//  connect(this, SIGNAL(controlPointChanged()), this, SLOT(paintAllViewports()));

//  readSettings();
  }


  QSplitter * ControlPointEditWidget::createTopSplitter() {

    QHBoxLayout * measureLayout = new QHBoxLayout;
    measureLayout->addWidget(createLeftMeasureGroupBox());
    measureLayout->addWidget(createRightMeasureGroupBox());

    QVBoxLayout * groupBoxesLayout = new QVBoxLayout;
    groupBoxesLayout->addWidget(createControlPointGroupBox());
    groupBoxesLayout->addStretch();
    groupBoxesLayout->addLayout(measureLayout);

    QWidget * groupBoxesWidget = new QWidget;
    groupBoxesWidget->setLayout(groupBoxesLayout);

    createTemplateEditorWidget();

    QSplitter * topSplitter = new QSplitter;
    topSplitter->addWidget(groupBoxesWidget);
    topSplitter->addWidget(m_templateEditorWidget);
//  topSplitter->setStretchFactor(0, 4);
//  topSplitter->setStretchFactor(1, 3);

    m_templateEditorWidget->hide();

    return topSplitter;
  }


  QGroupBox * ControlPointEditWidget::createControlPointGroupBox() {

    // create left vertical layout
    m_ptIdValue = new QLabel;

    m_numMeasures = new QLabel;

    m_aprioriLatitude = new QLabel;
    m_aprioriLongitude = new QLabel;
    m_aprioriRadius = new QLabel;

    // create right vertical layout's top layout
    m_lockPoint = new QCheckBox("Edit Lock Point");
    connect(m_lockPoint, SIGNAL(clicked(bool)), this, SLOT(setLockPoint(bool)));
    m_ignorePoint = new QCheckBox("Ignore Point");
    connect(m_ignorePoint, SIGNAL(clicked(bool)),
      this, SLOT(setIgnorePoint(bool)));
    connect(this, SIGNAL(ignorePointChanged()), m_ignorePoint, SLOT(toggle()));

    m_pointTypeCombo = new QComboBox;
    for (int i=0; i<ControlPoint::PointTypeCount; i++) {
      m_pointTypeCombo->insertItem(i, ControlPoint::PointTypeToString(
            (ControlPoint::PointType) i));
    }
    QFormLayout *pointTypeLayout = new QFormLayout;
    pointTypeLayout->addRow("PointType:", m_pointTypeCombo);
    connect(m_pointTypeCombo, SIGNAL(activated(int)),
            this, SLOT(setPointType(int)));

    m_groundSourceCombo = new QComboBox();
    m_radiusSourceCombo = new QComboBox();
    connect(m_groundSourceCombo, SIGNAL(currentIndexChanged(int)),
            this, SLOT(groundSourceFileSelectionChanged(int)));
    QFormLayout *groundSourceLayout = new QFormLayout;
    groundSourceLayout->addRow("Ground Source:", m_groundSourceCombo);
    QFormLayout *radiusSourceLayout = new QFormLayout;
    radiusSourceLayout->addRow("Radius Source:", m_radiusSourceCombo);

    QVBoxLayout * mainLayout = new QVBoxLayout;
    mainLayout->addWidget(m_ptIdValue);
    mainLayout->addWidget(m_numMeasures);
    mainLayout->addLayout(groundSourceLayout);
    mainLayout->addLayout(radiusSourceLayout);
    mainLayout->addWidget(m_aprioriLatitude);
    mainLayout->addWidget(m_aprioriLongitude);
    mainLayout->addWidget(m_aprioriRadius);
    mainLayout->addWidget(m_lockPoint);
    mainLayout->addWidget(m_ignorePoint);
    mainLayout->addLayout(pointTypeLayout);

    // create the groupbox
    QGroupBox * groupBox = new QGroupBox("Control Point");
    groupBox->setLayout(mainLayout);

    return groupBox;
  }


  QGroupBox * ControlPointEditWidget::createLeftMeasureGroupBox() {

    m_leftCombo = new QComboBox;
    m_leftCombo->view()->installEventFilter(this);
    m_leftCombo->setToolTip("Choose left control measure");
    m_leftCombo->setWhatsThis("Choose left control measure identified by "
                              "cube filename.");
    connect(m_leftCombo, SIGNAL(activated(int)),
            this, SLOT(selectLeftMeasure(int)));
    m_lockLeftMeasure = new QCheckBox("Edit Lock Measure");
    connect(m_lockLeftMeasure, SIGNAL(clicked(bool)),
            this, SLOT(setLockLeftMeasure(bool)));
    m_ignoreLeftMeasure = new QCheckBox("Ignore Measure");
    connect(m_ignoreLeftMeasure, SIGNAL(clicked(bool)),
            this, SLOT(setIgnoreLeftMeasure(bool)));
    connect(this, SIGNAL(ignoreLeftChanged()),
            m_ignoreLeftMeasure, SLOT(toggle()));
    m_leftReference = new QLabel();
    m_leftMeasureType = new QLabel();
    QVBoxLayout * leftLayout = new QVBoxLayout;
    leftLayout->addWidget(m_leftCombo);
    leftLayout->addWidget(m_lockLeftMeasure);
    leftLayout->addWidget(m_ignoreLeftMeasure);
    leftLayout->addWidget(m_leftReference);
    leftLayout->addWidget(m_leftMeasureType);

    QGroupBox * leftGroupBox = new QGroupBox("Left Measure");
    leftGroupBox->setLayout(leftLayout);

    return leftGroupBox;
  }


  QGroupBox * ControlPointEditWidget::createRightMeasureGroupBox() {

    // create widgets for the right groupbox
    m_rightCombo = new QComboBox;
    m_model = new QStandardItemModel();
    m_rightCombo->setModel(m_model);
    m_rightCombo->view()->installEventFilter(this);
    m_rightCombo->setToolTip("Choose right control measure. "
                             "<strong>Shortcuts: PageUp/PageDown</strong>");
    m_rightCombo->setWhatsThis("Choose right control measure identified by "
                               "cube filename. "
                               "Note: PageUp selects previous measure; "
                               "PageDown selects next meausure.");

    m_rightCombo->view()->setSelectionMode(QAbstractItemView::SingleSelection);
    m_rightCombo->view()->setDragEnabled(true);
    m_rightCombo->view()->setAcceptDrops(true);
    m_rightCombo->view()->setDropIndicatorShown(true);
    m_rightCombo->view()->setDragDropMode(QAbstractItemView::InternalMove);

    // Attach shortcuts to this widget for selecting right measures
    // Note: Qt handles this memory for us since ControlPointEditWidget is the parent of these shortcuts
    QShortcut *nextMeasure = new QShortcut(Qt::Key_PageDown, this);
    connect(nextMeasure, SIGNAL(activated()), this, SLOT(nextRightMeasure()));
    QShortcut *prevMeasure = new QShortcut(Qt::Key_PageUp, this);
    connect(prevMeasure, SIGNAL(activated()), this, SLOT(previousRightMeasure()));

    connect(m_rightCombo, SIGNAL(activated(int)),
            this, SLOT(selectRightMeasure(int)));
    m_lockRightMeasure = new QCheckBox("Edit Lock Measure");
    connect(m_lockRightMeasure, SIGNAL(clicked(bool)),
            this, SLOT(setLockRightMeasure(bool)));
    m_ignoreRightMeasure = new QCheckBox("Ignore Measure");
    connect(m_ignoreRightMeasure, SIGNAL(clicked(bool)),
            this, SLOT(setIgnoreRightMeasure(bool)));
    connect(this, SIGNAL(ignoreRightChanged()),
            m_ignoreRightMeasure, SLOT(toggle()));
    m_rightReference = new QLabel();
    m_rightMeasureType = new QLabel();

    // create right groupbox
    QVBoxLayout * rightLayout = new QVBoxLayout;
    rightLayout->addWidget(m_rightCombo);
    rightLayout->addWidget(m_lockRightMeasure);
    rightLayout->addWidget(m_ignoreRightMeasure);
    rightLayout->addWidget(m_rightReference);
    rightLayout->addWidget(m_rightMeasureType);

    QGroupBox * rightGroupBox = new QGroupBox("Right Measure");
    rightGroupBox->setLayout(rightLayout);

    return rightGroupBox;
  }


  void ControlPointEditWidget::createTemplateEditorWidget() {

    QToolBar *toolBar = new QToolBar("Template Editor ToolBar");

    toolBar->addAction(m_openTemplateFile);
    toolBar->addSeparator();
    toolBar->addAction(m_saveTemplateFile);
    toolBar->addAction(m_saveTemplateFileAs);

    m_templateEditor = new QTextEdit;
    connect(m_templateEditor, SIGNAL(textChanged()), this,
        SLOT(setTemplateModified()));

    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addWidget(toolBar);
    mainLayout->addWidget(m_templateEditor);

    m_templateEditorWidget = new QWidget;
    m_templateEditorWidget->setLayout(mainLayout);
  }


  void ControlPointEditWidget::createActions() {

    m_closePointEditor = new QAction(QIcon(FileName("base/icons/fileclose.png").expanded()),
                                   "&Close", this);
    m_closePointEditor->setToolTip("Close this window");
    m_closePointEditor->setStatusTip("Close this window");
    m_closePointEditor->setShortcut(Qt::ALT + Qt::Key_F4);
    QString whatsThis = "<b>Function:</b> Closes the Match Tool window for this point "
        "<p><b>Shortcut:</b> Alt+F4 </p>";
    m_closePointEditor->setWhatsThis(whatsThis);
    connect(m_closePointEditor, SIGNAL(triggered()), this, SLOT(close()));

    m_showHideTemplateEditor = new QAction(QIcon(FileName("base/icons/view_text.png").expanded()),
                                           "&View/edit registration template", this);
    m_showHideTemplateEditor->setCheckable(true);
    m_showHideTemplateEditor->setToolTip("View and/or edit the registration template");
    m_showHideTemplateEditor->setStatusTip("View and/or edit the registration template");
    whatsThis = "<b>Function:</b> Displays the curent registration template.  "
       "The user may edit and save changes under a chosen filename.";
    m_showHideTemplateEditor->setWhatsThis(whatsThis);
    connect(m_showHideTemplateEditor, SIGNAL(triggered()), this,
        SLOT(showHideTemplateEditor()));

    m_saveChips = new QAction(QIcon(FileName("base/icons/window_new.png").expanded()),
                              "Save registration chips", this);
    m_saveChips->setToolTip("Save registration chips");
    m_saveChips->setStatusTip("Save registration chips");
    whatsThis = "<b>Function:</b> Save registration chips to file.  "
       "Each chip: pattern, search, fit will be saved to a separate file.";
    m_saveChips->setWhatsThis(whatsThis);
    connect(m_saveChips, SIGNAL(triggered()), this, SLOT(saveChips()));

    m_openTemplateFile = new QAction(QIcon(FileName("base/icons/fileopen.png").expanded()),
                                     "&Open registration template", this);
    m_openTemplateFile->setToolTip("Set registration template");
    m_openTemplateFile->setStatusTip("Set registration template");
    whatsThis = "<b>Function:</b> Allows user to select a new file to set as "
        "the registration template";
    m_openTemplateFile->setWhatsThis(whatsThis);
    connect(m_openTemplateFile, SIGNAL(triggered()), this, SLOT(openTemplateFile()));

    m_saveTemplateFile = new QAction(QIcon(FileName("base/icons/mActionFileSave.png").expanded()),
                                     "&Save template file", this);
    m_saveTemplateFile->setToolTip("Save the template file");
    m_saveTemplateFile->setStatusTip("Save the template file");
    m_saveTemplateFile->setWhatsThis("Save the registration template file");
    connect(m_saveTemplateFile, SIGNAL(triggered()), this,
        SLOT(saveTemplateFile()));

    m_saveTemplateFileAs = new QAction(QIcon(FileName("base/icons/mActionFileSaveAs.png").expanded()),
                                       "&Save template as...", this);
    m_saveTemplateFileAs->setToolTip("Save the template file as");
    m_saveTemplateFileAs->setStatusTip("Save the template file as");
    m_saveTemplateFileAs->setWhatsThis("Save the registration template file as");
    connect(m_saveTemplateFileAs, SIGNAL(triggered()), this,
        SLOT(saveTemplateFileAs()));
  }


  void ControlPointEditWidget::setShapesForPoint(double latitude, double longitude) {

    if (latitude == Null || longitude == Null) {
      //  Use current editPoint to get latitude, longitude.
      // Use apriori surface point to find location on ground source.  If
      // apriori surface point does not exist use reference measure
      if (m_editPoint->HasAprioriCoordinates()) {
        SurfacePoint sPt = m_editPoint->GetAprioriSurfacePoint();
        latitude = sPt.GetLatitude().degrees();
        longitude = sPt.GetLongitude().degrees();
      }
      else {
        ControlMeasure m = *(m_editPoint->GetRefMeasure());
        int camIndex = m_serialNumberList->serialNumberIndex(m.GetCubeSerialNumber());
        Camera *cam;
        cam = m_controlNet->Camera(camIndex);
        cam->SetImage(m.GetSample(),m.GetLine());
        latitude = cam->UniversalLatitude();
        longitude = cam->UniversalLongitude();
      }
    }

    m_numberProjectShapesWithPoint = 0;
    m_projectShapeNames.clear();
    m_nameToShapeMap.clear();

    // Get all shapes from project, putting shapes that contain the current m_editPoint at the
    // top of the list.
    QStringList shapeNamesNoPoint;
    // Create map between the Shape file name & Shape
    QList<ShapeList *> shapeLists = m_directory->project()->shapes();
    foreach (ShapeList *shapeList, shapeLists) {
      foreach (Shape *shape, *shapeList) {
        UniversalGroundMap *gmap = new UniversalGroundMap(*(shape->cube()));
        if (gmap->SetUniversalGround(latitude, longitude)) {
          m_projectShapeNames<<shape->fileName();
        }
        else {
          shapeNamesNoPoint<<shape->fileName();
        }
        m_nameToShapeMap[shape->fileName()] = shape;
        delete gmap;
      }
    }
    m_numberProjectShapesWithPoint = m_projectShapeNames.count();
    // Add shapes that do not contain point
    if (shapeNamesNoPoint.count() > 0) {
      m_projectShapeNames<<shapeNamesNoPoint;
    }
  }


  void ControlPointEditWidget::reloadPoint() {
    m_measureEditor->setLeftMeasure(m_leftMeasure, m_leftCube.data(), m_editPoint->GetId());
    m_measureEditor->setRightMeasure(m_rightMeasure, m_rightCube.data(), m_editPoint->GetId());
  }


  void ControlPointEditWidget::setSerialNumberList(SerialNumberList *snList) {

    // TODO   If network & snList already exists do some error checking
    // Make copy;  we add ground source files to the list, and we don't want to cause problems for
    //  other ipce entities that are using
//  if (m_serialNumberList) {
//    delete m_serialNumberList;
//    m_serialNumberList = NULL;
//  }
//  m_serialNumberList = new SerialNumberList(snList);
    m_serialNumberList = snList;
  }


  void ControlPointEditWidget::setControl(Control *control) {
    //  TODO  more error checking
    m_control = control;
    m_controlNet = control->controlNet();
    m_cnetFileName = control->fileName();

    QStringList cnetDirs = m_cnetFileName.split('/');
    QString strippedCnetFilename = cnetDirs.value(cnetDirs.length() -1);
    m_cnetFileNameLabel->setText("Control Network: " + strippedCnetFilename);
    m_cnetFileNameLabel->setToolTip(m_cnetFileName);
    m_cnetFileNameLabel->setWhatsThis(m_cnetFileName);
    setWindowTitle("Control Point Editor- Control Network File: " + m_cnetFileName);

    emit newControlNetwork(m_controlNet);
  }


  void ControlPointEditWidget::setControlFromActive() {

    if (m_directory->project()->activeControl()) {
      m_control = m_directory->project()->activeControl();
      m_controlNet = m_control->controlNet();
      m_cnetFileName = m_control->fileName();

      m_cnetFileNameLabel->setText("Control Network: " + m_cnetFileName);
      setWindowTitle("Control Point Editor- Control Network File: " + m_cnetFileName);

      emit newControlNetwork(m_controlNet);
    }
  }


  void ControlPointEditWidget::loadGroundMeasure() {

    ControlMeasure *groundMeasure = createTemporaryGroundMeasure();
    if (groundMeasure) {
      m_editPoint->Add(groundMeasure);

      // Add to measure combo boxes
      QString groundFile = m_serialNumberList->fileName(groundMeasure->GetCubeSerialNumber());
      QString tempFileName = FileName(groundFile).name();

      m_pointFiles<<groundFile;
      m_leftCombo->addItem(tempFileName);
      m_rightCombo->addItem(tempFileName);
      int rightIndex = m_rightCombo->findText(tempFileName);
      m_rightCombo->setCurrentIndex(rightIndex);
      selectRightMeasure(rightIndex);
      updateSurfacePointInfo();
    }
  }


  ControlMeasure *ControlPointEditWidget::createTemporaryGroundMeasure() {

    ControlMeasure *groundMeasure = NULL;

    //  Try to set ground source file information.  If unsuccessful, return null ground measure
    if (!setGroundSourceInfo()) {
      return groundMeasure;
    }

    // Use apriori surface point to find location on ground source.  If
    // apriori surface point does not exist use reference measure
    double lat = 0.;
    double lon = 0.;
    if (m_editPoint->HasAprioriCoordinates()) {
      SurfacePoint sPt = m_editPoint->GetAprioriSurfacePoint();
      lat = sPt.GetLatitude().degrees();
      lon = sPt.GetLongitude().degrees();
    }
    else {
      ControlMeasure m = *(m_editPoint->GetRefMeasure());
      int camIndex = m_serialNumberList->serialNumberIndex(m.GetCubeSerialNumber());
      Camera *cam;
      cam = m_controlNet->Camera(camIndex);
      cam->SetImage(m.GetSample(),m.GetLine());
      lat = cam->UniversalLatitude();
      lon = cam->UniversalLongitude();
    }

    //  Try to locate point position on current ground source,
    if (!m_groundGmap->SetUniversalGround(lat,lon)) {
      QString message = "This point does not exist on the ground source.\n";
      message += "Latitude = " + QString::number(lat);
      message += "  Longitude = " + QString::number(lon);
      message += "\n A ground measure will not be created.";
      QMessageBox::warning(this, "Warning", message);
    }
    else {
      groundMeasure = new ControlMeasure;
      groundMeasure->SetCubeSerialNumber(m_groundSN);
      groundMeasure->SetType(ControlMeasure::Candidate);
      groundMeasure->SetCoordinate(m_groundGmap->Sample(), m_groundGmap->Line());
      groundMeasure->SetChooserName("GroundMeasureTemporary");
    }

    return groundMeasure;
  }


  bool ControlPointEditWidget::setGroundSourceInfo() {

    FileName groundFile;
    ControlPoint::SurfacePointSource::Source groundSourceType =
      ControlPoint::SurfacePointSource::None;

    bool success = false;

    //  No ground source chosen, clear out any old info
    if (m_groundSourceCombo->currentText().contains("NONE")) {
      success = false;
    }
    else {
      //  Chosen ground source is an imported shape in project
      if (m_groundSourceCombo->currentText().contains(".ecub")) {
        Shape *shape = m_nameToShapeMap[m_groundSourceCombo->currentText()];
        groundFile = FileName(shape->fileName());
        //groundSourceType = shape->surfacePointSource();
        success = true;
      }
      //  Not imported shape, must be from m_editPoints AprioriXYZSource in the cnet
      else if (m_editPoint->HasAprioriSurfacePointSourceFile()) {
        groundFile = FileName(m_groundSourceCombo->currentText());
        //  Apriori ground source does not exist and user chose not to give new location so simply
        //  return unsuccessful
        if (!groundFile.fileExists()) {
          success = false;
        }
        else {
          groundSourceType = m_editPoint->GetAprioriSurfacePointSource(); 
          success = true;
        }
      }
    }

    // If a new ground file was found set ground source information for later use, first clearing
    // out the old ground source information.  If new ground same as old ground, we will not change
    // anything, simply return successful.
    if (success && (groundFile.expanded() != m_groundFilename)) {
      clearGroundSource();
      m_groundFilename = groundFile.expanded();

      // Get cube, then universal groundmap
      QScopedPointer<Cube> groundCube(new Cube(groundFile, "r"));
      m_groundGmap.reset(NULL);
      QScopedPointer<UniversalGroundMap> newGroundGmap(new UniversalGroundMap(*groundCube));
      m_groundGmap.reset(newGroundGmap.take());

      //  Create new serial number for ground source and add to serial number list
      m_groundSN = SerialNumber::Compose(groundFile.expanded(), true);
      m_serialNumberList->add(m_groundFilename, true);

      m_groundSourceType = groundSourceType;
    }
    // Could not successfully find a ground source file, clear out any old info and return
    // unsuccessful
    else if (!success) {
      clearGroundSource();
    }

    return success;
  }


  FileName ControlPointEditWidget::checkGroundFileLocation(FileName groundFile) {

    FileName newGroundFile;

    if (!groundFile.fileExists()) {

      // If user previously chose to change all ground source locations, but didn't update the net
      // fix this ground source to new location
      // If all groundLocations are to be changed...
      if (m_changeAllGroundLocation) {
        QFileInfo oldFile(groundFile.expanded());
        QFileInfo newFile(m_newGroundDir, oldFile.fileName());

        newGroundFile = FileName(newFile.absoluteFilePath());
      }

      //  If can't find ground, re-prompt user for new location. Maybe it's a new ground source.
      if (!newGroundFile.fileExists()) {
        //  Give options for finding ground source file location. A new location 
        //  for new location or new source, either a Shape in the project, or import a new shape,
        //  or simplay choose file?
        QString message = "Ground Source file " + groundFile.expanded();
        message += " doesn't exist.  Has the file moved?  Would you like to enter a new location for"
                   " this ground source?";
        int ret = QMessageBox::question(this, "Ground Source not found", message);
        if (ret == QMessageBox::Yes) {
          QString dir = m_directory->project()->shapeDataRoot();
          NewGroundSourceLocationDialog *dialog = new NewGroundSourceLocationDialog(
              "New Ground Source Location", dir);
          if (dialog->exec() == QDialog::Accepted) {
            m_newGroundDir = dialog->selectedFiles().value(0);
            m_changeAllGroundLocation = dialog->changeAllGroundSourceLocation();
            m_changeGroundLocationInNet = dialog->changeControlNet();
            //  Change all ground source locations to reflect new directory
            if (m_changeGroundLocationInNet) {
              changeGroundLocationsInNet();
            }
            //  Change location of apriori for current edit point so combo boxes updated properly
            QFileInfo oldFile(groundFile.expanded());
            QFileInfo newFile(m_newGroundDir, oldFile.fileName());
            newGroundFile = newFile.absoluteFilePath();
            m_editPoint->SetAprioriSurfacePointSourceFile(newGroundFile.toString());
          }
          else {
            //  Either user does not want to change location of ground source or the new location
            //  Dialog was cancelled. Load point without the ground source.
            newGroundFile = NULL;
          }
        }
        else {
          //  Either user does not want to change location of ground source or the new location
          //  Dialog was cancelled. Load point without the ground source.
          newGroundFile = NULL;
        }
      }
    }
    return newGroundFile;
  }


  void ControlPointEditWidget::changeGroundLocationsInNet() {

    for (int i = 0; i < m_controlNet->GetNumPoints(); i++ ) {
      ControlPoint *cp = m_controlNet->GetPoint(i);
      if (cp->HasAprioriSurfacePointSourceFile()) {
        FileName groundFile(cp->GetAprioriSurfacePointSourceFile()); 
        QFileInfo oldFile(groundFile.expanded());
        QFileInfo newFile(m_newGroundDir, oldFile.fileName());
        groundFile = newFile.absoluteFilePath();
        cp->SetAprioriSurfacePointSourceFile(groundFile.expanded());
      }
    }
    emit cnetModified();
  }


  void ControlPointEditWidget::openReferenceRadius() {

    //Get the reference image's shape model
    QString referenceSN = m_editPoint->GetReferenceSN();
    QString referenceFileName = m_serialNumberList->fileName(referenceSN);
    QScopedPointer<Cube> referenceCube(new Cube(referenceFileName, "r"));
    PvlGroup kernels = referenceCube->group("Kernels");
    QString shapeFile = kernels["ShapeModel"];

    //  If the reference measure has a shape model cube then set that as the radius
    //  This will NOT WORK for shape model files (not the default of Null or Ellipsoid)
    //  that are not cubes
    if (shapeFile.contains(".cub")) {
      if (shapeFile.contains("dem")) {
        m_radiusSourceType = ControlPoint::RadiusSource::DEM;
      }
      else {
        m_radiusSourceType = ControlPoint::RadiusSource::Ellipsoid;
      }

      m_radiusFilename = shapeFile;
      initDem(shapeFile);
    }
    //  If no shape model then use the ABC of the target body
    else {
      m_radiusSourceType = ControlPoint::RadiusSource::Ellipsoid;
      Spice *refSpice = new Spice(*referenceCube);
      Distance refRadii[3];
      refSpice->radii(refRadii);
      m_demFile = QString::number(refRadii[0].meters()) + ", " +
                  QString::number(refRadii[1].meters()) + ", " +
                  QString::number(refRadii[2].meters());

      m_radiusFilename = "";
    }
  }


  void ControlPointEditWidget::initDem (QString demFile) {

      // If a DEM is already opened, check if new is same as old. If new,
      //  close old, open new.
      if (m_demOpen) {
        if (m_demFile == demFile) {
          return;
        }

        m_demCube.reset(NULL);
        m_demFile.clear();
      }

      QApplication::setOverrideCursor(Qt::WaitCursor);
      try {
        QScopedPointer<Cube> newDemCube(new Cube(demFile, "r"));

        m_demFile = FileName(newDemCube->fileName()).name();
        m_demCube.reset(newDemCube.take());
      }
      catch (IException &e) {
        QMessageBox::critical(this, "Error", e.toString());
        QApplication::restoreOverrideCursor();
        return;
      }
      m_demOpen = true;

      //  Make sure this is a dem
      if (!m_demCube->hasTable("ShapeModelStatistics")) {
        QString message = m_demFile + " is not a DEM.";
        QMessageBox::critical(this, "Error", message);
        m_demCube.reset(NULL);
        m_demOpen = false;
        m_demFile.clear();
        QApplication::restoreOverrideCursor();
        return;
      }
      m_radiusSourceType = ControlPoint::RadiusSource::DEM;
      m_radiusFilename = demFile;

      QApplication::restoreOverrideCursor();
  }


  double ControlPointEditWidget::demRadius(double latitude, double longitude) {

    if (!m_demOpen) return Null;

    UniversalGroundMap *demMap = new UniversalGroundMap(*m_demCube);
    if (!demMap->SetUniversalGround(latitude, longitude)) {
      delete demMap;
      demMap = NULL;
      return Null;
    }

    //  Use bilinear interpolation to read radius from DEM
    //   Use bilinear interpolation from dem
    Interpolator *interp = new Interpolator(Interpolator::BiLinearType);

    //   Buffer used to read from the model
    Portal *portal = new Portal(interp->Samples(), interp->Lines(),
                                m_demCube->pixelType(),
                                interp->HotSample(), interp->HotLine());
    portal->SetPosition(demMap->Sample(), demMap->Line(), 1);
    m_demCube->read(*portal);
    double radius = interp->Interpolate(demMap->Sample(), demMap->Line(),
                                        portal->DoubleBuffer());
    delete demMap;
    demMap = NULL;
    delete interp;
    interp = NULL;
    delete portal;
    portal = NULL;

    return radius;
  }


  void ControlPointEditWidget::groundSourceFileSelectionChanged(int index) {

    QString newChosenGroundFile = m_groundSourceCombo->currentText();
    if (newChosenGroundFile == m_groundFilename) {
      return;
    }
    loadGroundMeasure();
  }


  void ControlPointEditWidget::clearGroundSource () {

    if (m_groundSN.isEmpty()) {
      return;
    }

    //  If the loaded point is a fixed point, see if there is a temporary measure
    //  holding the coordinate information for the current ground source. If so,
    //  delete this measure and remove from the Chip viewport and measure selection combo.
    if (m_editPoint && m_editPoint->GetType() != ControlPoint::Free &&
        m_editPoint->HasSerialNumber(m_groundSN)) {
      m_editPoint->Delete(m_groundSN);

      if (m_leftCombo->findText(QFileInfo(m_groundFilename).fileName()) >= 0) {
        m_leftCombo->removeItem(m_leftCombo->findText(QFileInfo(m_groundFilename).fileName()));
        if (m_leftMeasure->GetCubeSerialNumber() == m_groundSN) {
          selectLeftMeasure(0); 
        }
      }
      if (m_rightCombo->findText(QFileInfo(m_groundFilename).fileName())) {
        m_rightCombo->removeItem(m_rightCombo->findText(QFileInfo(m_groundFilename).fileName()));
        if (m_rightMeasure->GetCubeSerialNumber() == m_groundSN) {
          selectRightMeasure(0); 
        }
      }
      m_pointFiles.removeAll(m_groundFilename);
    }
    // Remove from serial number list
    m_serialNumberList->remove(m_groundSN);

    //  Reset ground source variables
    m_groundFilename.clear();
    m_groundSN.clear();
    m_groundGmap.reset(NULL);
    m_groundSourceType = ControlPoint::SurfacePointSource::None;
  }


  void ControlPointEditWidget::setEditPoint(ControlPoint *controlPoint, QString serialNumber) {

    //  If m_editPoint was never saved to control net (parent=NULL), delete
    if (m_editPoint != NULL && m_editPoint->Parent() == NULL) {
      delete m_editPoint;
      m_editPoint = NULL;
    }

    //  If incoming control point is new point (has not been saved to control net, simply assign
    //  to m_editPoint, otherwise create copy.  It will not be saved to net until "Save Point"
    //  is selected
    if (controlPoint->Parent() == NULL) {
      m_editPoint = controlPoint;

      // New point in editor, so colorize all save buttons
      colorizeAllSaveButtons("red");
    }
    else {
      m_editPoint = new ControlPoint;
      *m_editPoint = *controlPoint;

      // New point loaded, make sure all save button's text is default black color
      colorizeAllSaveButtons("black");
    }
    loadPoint(serialNumber);
    loadTemplateFile(m_measureEditor->templateFileName());
  }


  void ControlPointEditWidget::colorizeAllSaveButtons(QString color) {

    if (color == "black") {
      // Don't need to colorize save measure button, when loading new measure, the measure editor
      // will set back to default palette.
    m_savePoint->setPalette(m_saveDefaultPalette);
      m_saveNet->setPalette(m_saveDefaultPalette);
    }
    else if (color == "red") {
      m_measureEditor->colorizeSaveButton();
      colorizeSavePointButton();
      colorizeSaveNetButton();
    }
  }


  void ControlPointEditWidget::loadPoint(QString serialNumber) {

    //  Write pointId
    QString CPId = m_editPoint->GetId();

    QString ptId("Point ID:  ");
    ptId += (QString) CPId;
    m_ptIdValue->setText(ptId);

    // Set shapes for this point.  Shapes are what has been imported into project.
    setShapesForPoint();

    //  Write number of measures
    QString ptsize = "Number of Measures:  " +
                   QString::number(m_editPoint->GetNumMeasures());
    m_numMeasures->setText(ptsize);

    //  Set EditLock box correctly
    m_lockPoint->setChecked(m_editPoint->IsEditLocked());

    //  Set ignore box correctly
    m_ignorePoint->setChecked(m_editPoint->IsIgnored());


    //  Refill combos since they are dependent on the current edit point
    //  Turn off signals until filled since we don't want slot called.
    m_groundSourceCombo->blockSignals(true);
    m_radiusSourceCombo->blockSignals(true);
    m_groundSourceCombo->clear();
    m_radiusSourceCombo->clear();
    m_groundSourceCombo->addItem("NONE");
    m_groundSourceCombo->setCurrentText("NONE");
    m_radiusSourceCombo->addItem("NONE - Use reference measure's radius");
    m_radiusSourceCombo->setCurrentText("NONE - Use reference measure's radius");

    //  Load any imported project shapes that contain m_editPoint into the ground and any Dem's into
    //  radius source combo boxes. Only add Dems to radius combo.
    if (m_projectShapeNames.count() > 0) {
      for (int i=0; i<m_numberProjectShapesWithPoint; i++) {
        Shape *shape = m_nameToShapeMap[m_projectShapeNames.at(i)];
        if (shape->radiusSource() == ControlPoint::RadiusSource::DEM) {
          m_radiusSourceCombo->addItem(shape->fileName());
        }
        else {
          m_groundSourceCombo->addItem(shape->fileName());
        }
      }
    }

    //  If available, add the CP AprioriSurfacePointSourceFile and AprioriRadiusSourceFile
    if (m_editPoint->HasAprioriSurfacePointSourceFile()) {
      FileName aprioriSurfacePointFile = FileName(m_editPoint->GetAprioriSurfacePointSourceFile());
      //  If file doesn't exist, prompt user for changing location before adding to combo
      if (!aprioriSurfacePointFile.fileExists()) {
        aprioriSurfacePointFile = checkGroundFileLocation(aprioriSurfacePointFile);
      }
      if (!aprioriSurfacePointFile.toString().isEmpty()) {
        m_groundSourceCombo->addItem(aprioriSurfacePointFile.toString()); 
        m_groundSourceCombo->setCurrentText(aprioriSurfacePointFile.toString());
        m_groundSourceCombo->setItemData(m_groundSourceCombo->currentIndex(),
                                         QColor(Qt::darkGreen), Qt::ForegroundRole); 
        m_groundSourceCombo->setItemData(m_groundSourceCombo->currentIndex(),
                                         QFont("DejaVu Sans", 10, QFont::Bold), Qt::FontRole);
      }
    }

    if (m_editPoint->HasAprioriRadiusSourceFile()) {
      //TODO  check location of radius file
      m_radiusSourceCombo->addItem(m_editPoint->GetAprioriRadiusSourceFile());
      m_radiusSourceCombo->setCurrentText(m_editPoint->GetAprioriRadiusSourceFile());
      m_radiusSourceCombo->setItemData(m_radiusSourceCombo->currentIndex(),
                                       QColor(Qt::green), Qt::ForegroundRole);
      m_radiusSourceCombo->setItemData(m_groundSourceCombo->currentIndex(),
                                       QFont("DejaVu Sans", 10, QFont::Bold), Qt::FontRole);
    }
    if (m_editPoint->GetType() == ControlPoint::Free) {
      m_groundSourceCombo->setEnabled(false); 
      m_radiusSourceCombo->setEnabled(false);
    }
    else {
      m_groundSourceCombo->setEnabled(true); 
      m_radiusSourceCombo->setEnabled(true);
    }
    m_groundSourceCombo->blockSignals(false);
    m_radiusSourceCombo->blockSignals(false);


    //  If constrained or fixed point, create a measure for
    //  the ground source, load reference on left, ground source on right
    if (m_editPoint->GetType() != ControlPoint::Free) {
      // If m_editPoint already has a ground measure, delete
      for (int i=0; i<m_editPoint->GetNumMeasures(); i++) {
        ControlMeasure &m = *(*m_editPoint)[i];
        if (m.GetChooserName() == "GroundMeasureTemporary") {
          m_editPoint->Delete(&m);
        }
      }
      // Create a temporary measure to hold the ground point info for ground source
      // This measure will be deleted when the ControlPoint is saved to the
      // ControlNet.
      ControlMeasure *groundMeasure = createTemporaryGroundMeasure();
      if (groundMeasure) {
        m_editPoint->Add(groundMeasure);
      }
    }



    // Reset PointType combo box appropriately.
    m_pointTypeCombo->clear();
    for (int i=0; i<ControlPoint::PointTypeCount; i++) {
      m_pointTypeCombo->insertItem(i, ControlPoint::PointTypeToString(
            (ControlPoint::PointType) i));
    }
    m_pointTypeCombo->setCurrentText(ControlPoint::PointTypeToString(m_editPoint->GetType()));
    m_pointTypeCombo->setToolTip("Change ControlPoint type");

    updateSurfacePointInfo();



    // Clear combo boxes
    m_leftCombo->clear();
    m_rightCombo->clear();
    m_pointFiles.clear();


    //  Need all files for this point
    for (int i=0; i<m_editPoint->GetNumMeasures(); i++) {
      ControlMeasure &m = *(*m_editPoint)[i];
      QString file = m_serialNumberList->fileName(m.GetCubeSerialNumber());
      m_pointFiles<<file;
      QString tempFileName = FileName(file).name();

      // This actually fills the right combo box for selecting measures.  A model was used to enable
      // drag & drop for ordering measures which will also set the blink order.
      QStandardItem *item = new QStandardItem(tempFileName);
      item->setFlags(item->flags() & ~Qt::ItemIsDropEnabled);
      m_model->appendRow(item);

      m_leftCombo->addItem(tempFileName);

      if (m_editPoint->IsReferenceExplicit() &&
          (QString)m.GetCubeSerialNumber() == m_editPoint->GetReferenceSN()) {
        m_leftCombo->setItemData(i,QFont("DejaVu Sans", 12, QFont::Bold), Qt::FontRole);
        m_rightCombo->setItemData(i,QFont("DejaVu Sans", 12, QFont::Bold), Qt::FontRole);
      }
    }

    m_measureEditor->setPoint(m_editPoint, m_serialNumberList);

    int leftIndex = -1;
    int rightIndex = -1;

    QString referenceSerialNumber;
    //  Check for reference
    if (m_editPoint->IsReferenceExplicit()) {
      referenceSerialNumber = m_editPoint->GetReferenceSN();
      leftIndex = m_editPoint->IndexOfRefMeasure();
    }

    if (!serialNumber.isEmpty() && serialNumber != referenceSerialNumber) {
      QString file = m_serialNumberList->fileName(serialNumber);
      rightIndex = m_rightCombo->findText(FileName(file).name());
      if (leftIndex == -1) {
        if (rightIndex == 0) {
          leftIndex = 1;
        }
        else {
          leftIndex = 0;
        }
      }
    }

    if (leftIndex == -1) {
      if (rightIndex == 0) {
        leftIndex = 1;
      }
      else {
        leftIndex = 0;
      }
    }

    //  If ground measure exists, load in right viewport
    if (m_editPoint->HasSerialNumber(m_groundSN)) {
      rightIndex = m_rightCombo->findText(m_groundSN);
    }
    if (rightIndex <= 0) {
      if (leftIndex == 0) {
        rightIndex =  1;
      }
      else {
        rightIndex = 0;
      }
    }
    //  Handle pts with a single measure, for now simply put measure on left/right
    //  Evenutally put on left with black on right??
    if (rightIndex > m_editPoint->GetNumMeasures()-1) rightIndex = 0;

    m_rightCombo->setCurrentIndex(rightIndex);
    m_leftCombo->setCurrentIndex(leftIndex);

    //  Initialize pointEditor with measures
    selectLeftMeasure(leftIndex);
    selectRightMeasure(rightIndex);

    this->setVisible(true);
    this->raise();
  }


  void ControlPointEditWidget::createControlPoint(double latitude, double longitude, Cube *cube,
                                                  bool isGroundSource) {

    //  TODO:   CHECK SUBPIXEL REGISTER RADIO BUTTON OPTION (CHECKBOX?)

    //  Create list box of all files highlighting those that
    //  contain the point.
    QStringList pointFiles;

    Camera *cam;
    for (int i = 0; i < m_serialNumberList->size(); i++) {
      if (m_serialNumberList->serialNumber(i) == m_groundSN) continue;
      cam = m_controlNet->Camera(i);
      if (cam->SetUniversalGround(latitude, longitude)) {
        //  Make sure point is within image boundary
        double samp = cam->Sample();
        double line = cam->Line();
        if (samp >= 1 && samp <= cam->Samples() &&
            line >= 1 && line <= cam->Lines()) {
          pointFiles<<m_serialNumberList->fileName(i);
        }
      }
    }

    // Set shapes from project to fill dialog, indicating number of shapes that contain the CP.
    // The shapes which contain the CP will be at the front of the QStringList.
    setShapesForPoint(latitude, longitude);

    NewControlPointDialog *newPointDialog = new NewControlPointDialog(m_controlNet,
        m_serialNumberList, m_lastUsedPointId, this, true, true, true);
    newPointDialog->setFiles(pointFiles);
    newPointDialog->setGroundSource(m_projectShapeNames, m_numberProjectShapesWithPoint);

    //  Load imported project shapes that are Dems and contain point location into the radius combo.
    if (m_projectShapeNames.count() > 0) {
      QStringList radiusSourceFiles;
      for (int i=0; i<m_numberProjectShapesWithPoint; i++) {
        Shape *shape = m_nameToShapeMap[m_projectShapeNames.at(i)];
        if (shape->radiusSource() == ControlPoint::RadiusSource::DEM) {
          radiusSourceFiles<<shape->fileName();
        }
      }
      newPointDialog->setRadiusSource(radiusSourceFiles);
    }



    if (newPointDialog->exec() == QDialog::Accepted) {
      m_lastUsedPointId = newPointDialog->pointId();
      ControlPoint *newPoint =
          new ControlPoint(m_lastUsedPointId);

      // If this ControlPointId already exists, message box pops up and user is
      // asked to enter a new value.
      if (m_controlNet->ContainsPoint(newPoint->GetId())) {
        QString message = "A ControlPoint with Point Id = [" + newPoint->GetId();
        message += "] already exists.  Re-enter Point Id for this ControlPoint.";
        QMessageBox::warning(this, "New Point Id", message);
        pointFiles.clear();
        delete newPoint;
        newPoint = NULL;
        createControlPoint(latitude, longitude);
        return;
      }

      newPoint->SetChooserName(Application::UserName());

      QStringList selectedFiles = newPointDialog->selectedFiles();
      foreach (QString selectedFile, selectedFiles) {
        //  Create measure for any file selected
        ControlMeasure *m = new ControlMeasure;
        //  Find serial number for this file
        QString sn = m_serialNumberList->serialNumber(selectedFile);
        m->SetCubeSerialNumber(sn);
        int camIndex = m_serialNumberList->fileNameIndex(selectedFile);
        cam = m_controlNet->Camera(camIndex);
        cam->SetUniversalGround(latitude, longitude);
        m->SetCoordinate(cam->Sample(),cam->Line());
        m->SetAprioriSample(cam->Sample());
        m->SetAprioriLine(cam->Line());
        m->SetType(ControlMeasure::Manual);
        m->SetChooserName(Application::UserName());
        m->SetCamera(cam);
        newPoint->Add(m);
      }

      //  Get point type from dialog
      bool isGroundPoint = (newPointDialog->pointType() != ControlPoint::Free);
      newPoint->SetType((ControlPoint::PointType) newPointDialog->pointType());

      if (isGroundPoint) {
        Shape *shape = m_nameToShapeMap[newPointDialog->groundSource()];
        //  Save ground source information in control point
        if (shape) {
          newPoint->SetAprioriSurfacePointSource(shape->surfacePointSource());
        }
        else {
          newPoint->SetAprioriSurfacePointSource(ControlPoint::SurfacePointSource::None);
        }
        newPoint->SetAprioriSurfacePointSourceFile(shape->cube()->externalCubeFileName().expanded());
      }

      setEditPoint(newPoint);
      emit controlPointAdded(newPoint->GetId());
    }
  }


  void ControlPointEditWidget::deletePoint(ControlPoint *controlPoint) {

    // Make a copy and make sure editPoint is a copy (which means it does not
    // have a parent network.
    if (m_editPoint != NULL && m_editPoint->Parent() == NULL) {
      delete m_editPoint;
      m_editPoint = NULL;
    }
    m_editPoint = new ControlPoint;
    *m_editPoint = *controlPoint;
    loadPoint();

    DeleteControlPointDialog *deletePointDialog = new DeleteControlPointDialog;
    QString CPId = m_editPoint->GetId();
    deletePointDialog->pointIdValue->setText(CPId);

    //  Need all files for this point
    for (int i=0; i<m_editPoint->GetNumMeasures(); i++) {
      ControlMeasure &m = *(*m_editPoint)[i];
      QString file = m_serialNumberList->fileName(m.GetCubeSerialNumber());
      deletePointDialog->fileList->addItem(file);
    }

    if (deletePointDialog->exec()) {

      int numDeleted = deletePointDialog->fileList->selectedItems().count();

      //  Delete entire control point, either through deleteAllCheckBox or all measures selected
      if (deletePointDialog->deleteAllCheckBox->isChecked() ||
          numDeleted == m_editPoint->GetNumMeasures()) {

        //  If all measures being deleted, let user know and give them the option to quit operation
        if (!deletePointDialog->deleteAllCheckBox->isChecked()) {
          QString message = "You have selected all measures in this point to be deleted.  This "
            "control point will be deleted.  Do you want to delete this control point?";
          int  response = QMessageBox::question(this,
                                    "Delete control point", message,
                                    QMessageBox::Yes | QMessageBox::No,
                                    QMessageBox::Yes);
          // If No, do nothing
          if (response == QMessageBox::No) {
            return;
          }
        }

        //this->setVisible(false);
        // remove this point from the control network
        if (m_controlNet->DeletePoint(m_editPoint->GetId()) ==
                                          ControlPoint::PointLocked) {
          QMessageBox::information(this, "EditLocked Point",
              "This point is EditLocked and cannot be deleted.");
          return;
        }
        if (m_editPoint != NULL && m_editPoint->Parent() == NULL) {
//        delete m_editPoint;
//        m_editPoint = NULL;
        }
      }

      //  Delete specific measures from control point
      else {
        //  Keep track of editLocked measures for reporting
        int lockedMeasures = 0;
        for (int i=0; i<deletePointDialog->fileList->count(); i++) {
          QListWidgetItem *item = deletePointDialog->fileList->item(i);
          if (!deletePointDialog->fileList->isItemSelected(item)) continue;

          //  Do not delete reference without asking user
          if (m_editPoint->IsReferenceExplicit() &&
                (m_editPoint->GetRefMeasure()->GetCubeSerialNumber() ==
                (*m_editPoint)[i]->GetCubeSerialNumber())) {
            QString message = "You are trying to delete the Reference measure."
                "  Do you really want to delete the Reference measure?";
            switch (QMessageBox::question(this,
                                          "Delete Reference measure?", message,
                                          "&Yes", "&No", 0, 0)) {
              //  Yes:  skip to end of switch todelete the measure
              case 0:
                break;
              //  No:  continue to next measure in the loop
              case 1:
                //  if only a single measure and it's reference and user chooses not to delete,
                //  simply return.  The point has not changed.
                if (numDeleted == 1) {
                  return;
                }
                continue;
            }
          }

          if (m_editPoint->Delete(i) == ControlMeasure::MeasureLocked) {
            lockedMeasures++;
          }
        }

        if (lockedMeasures > 0) {
          QMessageBox::information(this,"EditLocked Measures",
                QString::number(lockedMeasures) + " / "
                + QString::number(
                  deletePointDialog->fileList->selectedItems().size()) +
                " measures are EditLocked and were not deleted.");
        }

        loadPoint();

//      loadTemplateFile(m_pointEditor->templateFileName());
      }

      // emit a signal to alert user to save when exiting
      m_control->setModified(true);
      emit cnetModified();

      if (m_editPoint != NULL) {
        //  Change Save Point button text to red
        colorizeSaveNetButton();
      }
    }
  }


  void ControlPointEditWidget::measureSaved() {

    // Read original measures from the network for comparison with measures
    // that have been edited
    ControlMeasure *origLeftMeasure =
                m_editPoint->GetMeasure(m_leftMeasure->GetCubeSerialNumber());
    ControlMeasure *origRightMeasure =
                m_editPoint->GetMeasure(m_rightMeasure->GetCubeSerialNumber());
    // Neither measure has changed, return
    if (*origLeftMeasure == *m_leftMeasure && *origRightMeasure == *m_rightMeasure) {
      return;
    }

    if (m_editPoint->IsIgnored()) {
      QString message = "You are saving changes to a measure on an ignored ";
      message += "point.  Do you want to set Ignore = False on the point and ";
      message += "both measures?";
      switch (QMessageBox::question(this, "Save Measure", message, "&Yes", "&No", 0, 0)) {
        // Yes:  set Ignore=false for the point and measures and save point
        case 0:
          m_editPoint->SetIgnored(false);
          emit ignorePointChanged();
          if (m_leftMeasure->IsIgnored()) {
            m_leftMeasure->SetIgnored(false);
            emit ignoreLeftChanged();
          }
          if (m_rightMeasure->IsIgnored()) {
            m_rightMeasure->SetIgnored(false);
            emit ignoreRightChanged();
          }
        // No: keep Ignore=true and save measure
        case 1:
          break;
      }
    }

    bool savedAMeasure = false;
    //  Error check both measures for edit lock, ignore status and reference
    bool leftChangeOk = validateMeasureChange(m_leftMeasure);
    if (leftChangeOk) {
      m_leftMeasure->SetChooserName(Application::UserName());
      *origLeftMeasure = *m_leftMeasure;
      savedAMeasure = true;
    }
    bool rightChangeOk = validateMeasureChange(m_rightMeasure);
    if (rightChangeOk) {
      m_rightMeasure->SetChooserName(Application::UserName());
      *origRightMeasure = *m_rightMeasure;
      savedAMeasure = true;
    }

    // If this is a fixed or constrained point, and either the left or right measure is the ground
    // source, update the lat,lon,radius.  
    //
    if (m_editPoint->GetType() != ControlPoint::Free && 
        (m_leftMeasure->GetCubeSerialNumber() == m_groundSN ||
         m_rightMeasure->GetCubeSerialNumber() == m_groundSN)) {
      // If point is locked and it is not a new point, print error
      if (m_editPoint->IsEditLocked() && m_controlNet->ContainsPoint(m_editPoint->GetId())) {
        QString message = "This control point is edit locked.  The Apriori latitude, longitude and ";
        message += "radius cannot be updated.  You must first unlock the point by clicking the ";
        message += "check box above labeled \"Edit Lock Point\".";
        QMessageBox::warning(this, "Point Locked", message);
        return;
      }
      if (m_leftMeasure->IsIgnored()) {
        QString message = "This is a Constrained or Fixed point and the reference measure is ";
        message += "Ignored.  Unset the Ignore flag on the reference measure before saving.";
        QMessageBox::warning(this, "Point Locked", message);
        return;
      }
      updateGroundPosition();
    }

    // If left measure == right measure, update left
    if (m_leftMeasure->GetCubeSerialNumber() == m_rightMeasure->GetCubeSerialNumber()) {
      *m_leftMeasure = *m_rightMeasure;
      //  Update left measure of measureEditor
      m_measureEditor->setLeftMeasure (m_leftMeasure, m_leftCube.data(),
                                     m_editPoint->GetId());
    }

    //  Change Save Point button text to red
    if (savedAMeasure) {
      colorizeSavePointButton();
    }

    // Update measure info
    updateLeftMeasureInfo();
    updateRightMeasureInfo();
  }


  bool ControlPointEditWidget::validateMeasureChange(ControlMeasure *m) {

    // Read original measures from the network for comparison with measures
    // that have been edited
    ControlMeasure *origMeasure =
                m_editPoint->GetMeasure(m->GetCubeSerialNumber());

    //  If measure hasn't changed, return false, to keep original
    if (*m == *origMeasure) return false;

    // Is measure on Left or Right?  This is needed to print correct information
    // to users in identifying the measure and for updating information widgets.
    QString side = "right";
    if (m->GetCubeSerialNumber() == m_leftMeasure->GetCubeSerialNumber()) {
      side = "left";
    }

    //  Only print error if both original measure in network and the current
    //  edit measure are both editLocked and measure has changed.  If only the edit measure is
    //  locked, then user just locked and it needs to be saved.
    //  Do not use this classes IsMeasureLocked since we actually want to
    //  check the original againsted the edit measure and we don't care
    //  if this is a reference measure.  The check for moving a reference is
    //  done below.
    if (origMeasure->IsEditLocked() && m->IsEditLocked()) {
      QString message = "The " + side + " measure is editLocked ";
      message += "for editing.  Do you want to set EditLock = False for this ";
      message += "measure?";
      int response = QMessageBox::question(this, "Save Measure",
                                           message, QMessageBox::Yes | QMessageBox::No);
      // Yes:  set EditLock=false for the right measure
      if (response == QMessageBox::Yes) {
        m->SetEditLock(false);
        if (side == "left") {
          m_lockLeftMeasure->setChecked(false);
        }
        else {
          m_lockRightMeasure->setChecked(false);
        }
      }
      // No:  keep EditLock=true and do NOT save measure
      else {
        return false;
      }
    }

    if (origMeasure->IsIgnored() && m->IsIgnored()) {
      QString message = "The " + side + "measure is ignored.  ";
      message += "Do you want to set Ignore = False on the measure?";
      switch (QMessageBox::question(this, "Save Measure", message, "&Yes", "&No", 0, 0)) {
        // Yes:  set Ignore=false for the right measure and save point
        case 0:
            m->SetIgnored(false);
            if (side == "left") {
              emit ignoreLeftChanged();
            }
            else {
              emit ignoreRightChanged();
            }
        // No:  keep Ignore=true and save point
        case 1:
          break;;
      }
    }

    //  If measure is explicit reference and it has moved,warn user
    ControlMeasure *refMeasure = m_editPoint->GetRefMeasure();
    if (m_editPoint->IsReferenceExplicit()) {
      if (refMeasure->GetCubeSerialNumber() == m->GetCubeSerialNumber()) {
        if (m->GetSample() != origMeasure->GetSample() || m->GetLine() != origMeasure->GetLine()) {
          QString message = "You are making a change to the reference measure.  You ";
          message += "may need to move all of the other measures to match the new ";
          message += " coordinate of the reference measure.  Do you really want to ";
          message += " change the reference measure's location? ";
          switch(QMessageBox::question(this, "Save Measure",
                                       message, "&Yes", "&No", 0, 0)){
            // Yes:  Save measure
            case 0:
              break;
            // No:  keep original reference, return without saving
            case 1:
              ControlMeasure *origLeftMeasure =
                m_editPoint->GetMeasure(m_leftMeasure->GetCubeSerialNumber());
              m_measureEditor->setLeftPosition(origLeftMeasure->GetSample(),
                                               origLeftMeasure->GetLine());
              return false;
          }
        }
      }
      //  New reference measure
      else if (side == "left" && (refMeasure->GetCubeSerialNumber() != m->GetCubeSerialNumber())) {
        QString message = "This point already contains a reference measure.  ";
        message += "Would you like to replace it with the measure on the left?";
        int  response = QMessageBox::question(this,
                                  "Save Measure", message,
                                  QMessageBox::Yes | QMessageBox::No,
                                  QMessageBox::Yes);
        // Replace reference measure
        if (response == QMessageBox::Yes) {
          //  Update measure file combo boxes:  old reference normal font,
          //    new reference bold font
          QString file = m_serialNumberList->fileName(m_leftMeasure->GetCubeSerialNumber());
          QString fname = FileName(file).name();
          int iref = m_leftCombo->findText(fname);

          //  Save normal font from new reference measure
          QVariant font = m_leftCombo->itemData(iref,Qt::FontRole);
          m_leftCombo->setItemData(iref,QFont("DejaVu Sans", 12, QFont::Bold), Qt::FontRole);
          iref = m_rightCombo->findText(fname);
          m_rightCombo->setItemData(iref,QFont("DejaVu Sans", 12, QFont::Bold), Qt::FontRole);

          file = m_serialNumberList->fileName(refMeasure->GetCubeSerialNumber());
          fname = FileName(file).name();
          iref = m_leftCombo->findText(fname);
          m_leftCombo->setItemData(iref,font,Qt::FontRole);
          iref = m_rightCombo->findText(fname);
          m_rightCombo->setItemData(iref,font,Qt::FontRole);

          m_editPoint->SetRefMeasure(m->GetCubeSerialNumber());
        }
      }
    }
    else {
      //  No explicit reference, If left, set explicit reference
      if (side == "left") {
        m_editPoint->SetRefMeasure(m->GetCubeSerialNumber());
      }
    }

    //  All test pass, return true (ok to change measure)
    return true;


  }


  void ControlPointEditWidget::checkReference() {

    // Check if ControlPoint has reference measure, if reference Measure is
    // not the same measure that is on the left chip viewport, set left
    // measure as reference.
    ControlMeasure *refMeasure = m_editPoint->GetRefMeasure();
    if (refMeasure->GetCubeSerialNumber() != m_leftMeasure->GetCubeSerialNumber()) {
      QString message = "This point already contains a reference measure.  ";
      message += "Would you like to replace it with the measure on the left?";
      int  response = QMessageBox::question(this,
                                "Match Tool Save Measure", message,
                                QMessageBox::Yes | QMessageBox::No,
                                QMessageBox::Yes);
      // Replace reference measure
      if (response == QMessageBox::Yes) {
        //  Update measure file combo boxes:  old reference normal font,
        //    new reference bold font
        QString file = m_serialNumberList->fileName(m_leftMeasure->GetCubeSerialNumber());
        QString fname = FileName(file).name();
        int iref = m_leftCombo->findText(fname);

        //  Save normal font from new reference measure
        QVariant font = m_leftCombo->itemData(iref,Qt::FontRole);
        m_leftCombo->setItemData(iref,QFont("DejaVu Sans", 12, QFont::Bold), Qt::FontRole);
        iref = m_rightCombo->findText(fname);
        m_rightCombo->setItemData(iref,QFont("DejaVu Sans", 12, QFont::Bold), Qt::FontRole);

        file = m_serialNumberList->fileName(refMeasure->GetCubeSerialNumber());
        fname = FileName(file).name();
        iref = m_leftCombo->findText(fname);
        m_leftCombo->setItemData(iref,font,Qt::FontRole);
        iref = m_rightCombo->findText(fname);
        m_rightCombo->setItemData(iref,font,Qt::FontRole);

        m_editPoint->SetRefMeasure(m_leftMeasure->GetCubeSerialNumber());
      }

          // ??? Need to set rest of measures to Candiate and add more warning. ???//
    }
  }


  /*
  * Update the position of ground point
  *
  * @author 2012-04-26 Tracie Sucharski - moved functionality from measureSaved
  *
  * @internal
  *
  */
  void ControlPointEditWidget::updateGroundPosition() {

    //  Determine if the left or right measure is the ground.  Use ground measure to update
    //  apriori surface point.
    ControlMeasure *groundMeasure;
    if (m_leftMeasure->GetCubeSerialNumber() == m_groundSN) {
      groundMeasure = m_leftMeasure;
    }
    else {
      groundMeasure = m_rightMeasure;
    }
    m_groundGmap->SetImage(groundMeasure->GetSample(), groundMeasure->GetLine());

    double lat = m_groundGmap->UniversalLatitude();
    double lon = m_groundGmap->UniversalLongitude();

    //  Find radius source file
    //  If nothing has been selected from the Radius source combo, use the Reference measure
    if (m_radiusSourceCombo->currentText().contains("NONE")) {
      m_radiusFilename.clear();
      m_demOpen = false;
      m_demFile.clear();
      m_demCube.reset(NULL);
      openReferenceRadius();
    }
    else {
      Shape *shape = m_nameToShapeMap[m_radiusSourceCombo->currentText()];
      if (shape) {
        m_radiusFilename = shape->cube()->externalCubeFileName().toString(); 
        //m_radiusSourceType = shape->radiusSource();
      }
      // Radius source comes from what is already saved in the cnet as AprioriRadiusSourceFile
      // This will contain the path
      else {
        m_radiusFilename = m_radiusSourceCombo->currentText();
        m_radiusSourceType = m_editPoint->GetAprioriRadiusSource();
      }
      initDem(m_radiusFilename);
    }


    double radius;
    //  Update radius, order of precedence
    //  1.  If a dem has been opened, read radius from dem.
    //  2.  Get radius from reference measure
    //        If image has shape model, radius will come from shape model
    //
    if (m_demOpen) {
      radius = demRadius(lat,lon);
      if (radius == Null) {
        QString msg = "Could not read radius from DEM, will default to "
          "local radius of reference measure.";
        QMessageBox::warning(this, "Warning", msg);
        if (m_editPoint->GetRefMeasure()->Camera()->SetGround(Latitude(lat, Angle::Degrees), 
                                                              Longitude(lon, Angle::Degrees))) {
          radius = m_editPoint->GetRefMeasure()->Camera()->LocalRadius().meters();
          //  TODO  Should this be set here, this is probably not working as intended since it is
          //         overwritten below outside of if (radius == Null) 
          m_editPoint->SetAprioriRadiusSource(ControlPoint::RadiusSource::None);
        }
        else {
          QString message = "Error trying to get radius at this pt.  "
              "Lat/Lon does not fall on the reference measure.  "
              "Cannot save this measure.";
          QMessageBox::critical(this,"Error",message);
          return;
        }
      }
      m_editPoint->SetAprioriRadiusSource(m_radiusSourceType);
      m_editPoint->SetAprioriRadiusSourceFile(m_radiusFilename);
    }
    else {
      //  Get radius from reference image
      if (m_editPoint->GetRefMeasure()->Camera()->SetGround(Latitude(lat, Angle::Degrees),
                                                            Longitude(lon, Angle::Degrees))) {
        radius = m_editPoint->GetRefMeasure()->Camera()->LocalRadius().meters();
      }
      else {
        QString message = "Error trying to get radius at this pt.  "
            "Lat/Lon does not fall on the reference measure.  "
            "Cannot save this measure.";
        QMessageBox::critical(this,"Error",message);
        return;
      }
    }

    try {
      //  Read apriori surface point if it exists so that point is
      //  replaced, but sigmas are retained.  Save sigmas because the
      //  SurfacePoint class will change them if the coordinates change.
      if (m_editPoint->HasAprioriCoordinates()) {
        SurfacePoint aprioriPt = m_editPoint->GetAprioriSurfacePoint();
        Distance latSigma = aprioriPt.GetLatSigmaDistance();
        Distance lonSigma = aprioriPt.GetLonSigmaDistance();
        Distance radiusSigma = aprioriPt.GetLocalRadiusSigma();
        aprioriPt.SetSphericalCoordinates(Latitude(lat, Angle::Degrees),
                                          Longitude(lon, Angle::Degrees),
                                          Distance(radius, Distance::Meters));
        aprioriPt.SetSphericalSigmasDistance(latSigma, lonSigma, radiusSigma);
        m_editPoint->SetAprioriSurfacePoint(aprioriPt);
      }
      else {
        m_editPoint->SetAprioriSurfacePoint(SurfacePoint(
                                        Latitude(lat, Angle::Degrees),
                                        Longitude(lon, Angle::Degrees),
                                        Distance(radius, Distance::Meters)));
      }
    }
    catch (IException &e) {
      QString message = "Unable to set Apriori Surface Point.\n";
      message += "Latitude = " + QString::number(lat);
      message += "  Longitude = " + QString::number(lon);
      message += "  Radius = " + QString::number(radius) + "\n";
      message += e.toString();
      QMessageBox::critical(this,"Error",message);
      return;
    }

    m_editPoint->SetAprioriSurfacePointSource(m_groundSourceType);
    QString fullGroundFilename;
    if (m_groundFilename.contains(".ecub")) {
      // Find shape to get external cube filename
      fullGroundFilename = m_nameToShapeMap[m_groundFilename]->cube()->externalCubeFileName().expanded();
    }
    else {
      fullGroundFilename = m_groundFilename;
    }
    m_editPoint->SetAprioriSurfacePointSourceFile(fullGroundFilename);

    updateSurfacePointInfo ();
  }


  void ControlPointEditWidget::savePoint() {

    //  Make a copy of edit point for updating the control net since the edit
    //  point is still loaded in the point editor.
    ControlPoint *updatePoint = new ControlPoint;
    *updatePoint = *m_editPoint;

    //  If this is a fixed or constrained point, see if there is a temporary
    //  measure holding the coordinate information from the ground source.
    //  If so, delete this measure before saving point.  Clear out the
    //  fixed Measure variable (memory deleted in ControlPoint::Delete).
    if (updatePoint->GetType() != ControlPoint::Free && updatePoint->HasSerialNumber(m_groundSN)) {
      // Delete measure with m_groundSN
      updatePoint->Delete(m_groundSN);
    }

    //  If edit point exists in the network, save the updated point.  If it
    //  does not exist, add it.
    if (m_controlNet->ContainsPoint(updatePoint->GetId())) {
      ControlPoint *p;
      p = m_controlNet->GetPoint(QString(updatePoint->GetId()));
      *p = *updatePoint;
      delete updatePoint;
      updatePoint = NULL;
      emit controlPointChanged(m_editPoint->GetId());
    }
    else {
      m_controlNet->AddPoint(updatePoint);
      emit controlPointAdded(m_editPoint->GetId());
    }

    //  Change Save Measure button text back to default
    m_savePoint->setPalette(m_saveDefaultPalette);

    // At exit, or when opening new net, use for prompting user for a save
    m_cnetModified = true;
    m_control->setModified(true);
    emit cnetModified();
    //   Refresh chipViewports to show new positions of controlPoints
    m_measureEditor->refreshChips();
  }


  void ControlPointEditWidget::setPointType (int pointType) {

    if (m_editPoint == NULL) return;

    //  If pointType is equal to current type, nothing to do
    if (m_editPoint->GetType() == pointType) return;
    int oldType = m_editPoint->GetType();

    // Error check ignored and locked status
    if (pointType != ControlPoint::Free && m_leftMeasure->IsIgnored()) {
      m_pointTypeCombo->setCurrentIndex((int) m_editPoint->GetType());
      QString message = "The reference measure is Ignored.  Unset the Ignore flag on the ";
      message += "reference measure before setting the point type to Constrained or Fixed.";
      QMessageBox::warning(m_parent, "Ignored Reference Measure", message);
      return;
    }
    ControlPoint::Status status = m_editPoint->SetType((ControlPoint::PointType) pointType);
    if (status == ControlPoint::PointLocked) {
      m_pointTypeCombo->setCurrentIndex((int) m_editPoint->GetType());
      QString message = "This control point is edit locked.  The point type cannot be changed.  You ";
      message += "must first unlock the point by clicking the check box above labeled ";
      message += "\"Edit Lock Point\".";
      QMessageBox::warning(m_parent, "Point Locked", message);
      return;
    }

    // Changing type between Contrained and Fixed, simply colorize Save CP button and return.  Do
    // not re-load CP or re-create ground CM.
    if (oldType != ControlPoint::Free && m_editPoint->GetType() != ControlPoint::Free) {
      colorizeSavePointButton();
    }
    // If changing from Constrained or Fixed to Free, remove ground CM, disable ground/radius source
    // combos, re-load CP, colorize Save CP.
    else if (oldType != ControlPoint::Free && m_editPoint->GetType() == ControlPoint::Free) {
      //  Find temporary measure holding the coordinate information from the ground source and
      //  delete from CP. This CM has a chooser name = GroundMeasureTemporary.
      //  Clear out the fixed Measure variable (memory deleted in ControlPoint::Delete).
      for (int i=0; i<m_editPoint->GetNumMeasures(); i++) {
        ControlMeasure &m = *(*m_editPoint)[i];
        if (m.GetChooserName() == "GroundMeasureTemporary") {
          m_editPoint->Delete(&m);
        }
      }
      loadPoint();
      m_groundSourceCombo->setEnabled(false);
      m_radiusSourceCombo->setEnabled(false);
      colorizeSavePointButton();
    }
    // Changing from Free to Constrained or Fixed, loadGroundMeasure,which will create temporary
    // gound measure, load into the measure combo boxes and colorize Save CP button.
    else if (oldType == ControlPoint::Free && m_editPoint->GetType() != ControlPoint::Free) {
      loadGroundMeasure();
      m_groundSourceCombo->setEnabled(true);
      m_radiusSourceCombo->setEnabled(true);
      colorizeSavePointButton();
    }
  }


  void ControlPointEditWidget::setLockPoint (bool lock) {

    if (m_editPoint == NULL) return;

    m_editPoint->SetEditLock(lock);
    colorizeSavePointButton();
  }


  void ControlPointEditWidget::setIgnorePoint (bool ignore) {

    if (m_editPoint == NULL) return;

    ControlPoint::Status status = m_editPoint->SetIgnored(ignore);
    if (status == ControlPoint::PointLocked) {
      m_ignorePoint->setChecked(m_editPoint->IsIgnored());
      QString message = "Unable to change Ignored on point.  Set EditLock ";
      message += " to False.";
      QMessageBox::critical(this, "Error", message);
      return;
    }
    colorizeSavePointButton();
  }


  void ControlPointEditWidget::setLockLeftMeasure (bool lock) {

    if (m_editPoint->IsEditLocked()) {
      m_lockLeftMeasure->setChecked(m_leftMeasure->IsEditLocked());
      QMessageBox::warning(this, "Point Locked","Point is Edit Locked.  You must un-lock point"
        " before changing a measure.");
      m_lockLeftMeasure->setChecked(m_leftMeasure->IsEditLocked());
      return;
    }

    if (m_leftMeasure != NULL) m_leftMeasure->SetEditLock(lock);

    //  If the right chip is the same as the left chip , update the right editLock
    //  box.
    if (m_rightMeasure != NULL) {
      if (m_rightMeasure->GetCubeSerialNumber() == m_leftMeasure->GetCubeSerialNumber()) {
        m_rightMeasure->SetEditLock(lock);
        m_lockRightMeasure->setChecked(lock);
      }
    }
    emit measureChanged();
  }


  void ControlPointEditWidget::setIgnoreLeftMeasure (bool ignore) {

    if (m_leftMeasure != NULL) m_leftMeasure->SetIgnored(ignore);

    //  If the right chip is the same as the left chip , update the right
    //  ignore box.
    if (m_rightMeasure != NULL) {
      if (m_rightMeasure->GetCubeSerialNumber() == m_leftMeasure->GetCubeSerialNumber()) {
        m_rightMeasure->SetIgnored(ignore);
        m_ignoreRightMeasure->setChecked(ignore);
      }
    }
    emit measureChanged();
  }


  void ControlPointEditWidget::setLockRightMeasure (bool lock) {

    if (m_editPoint->IsEditLocked()) {
      m_lockRightMeasure->setChecked(m_rightMeasure->IsEditLocked());
      QMessageBox::warning(this, "Point Locked","Point is Edit Locked.  You must un-lock point"
        " before changing a measure.");
      m_lockRightMeasure->setChecked(m_rightMeasure->IsEditLocked());
      return;
    }

    if (m_rightMeasure != NULL) m_rightMeasure->SetEditLock(lock);

    //  If the left chip is the same as the right chip , update the left editLock box.
    if (m_leftMeasure != NULL) {
      if (m_leftMeasure->GetCubeSerialNumber() == m_rightMeasure->GetCubeSerialNumber()) {
        m_leftMeasure->SetEditLock(lock);
        m_lockLeftMeasure->setChecked(lock);
      }
    }
    emit measureChanged();
  }


  void ControlPointEditWidget::setIgnoreRightMeasure (bool ignore) {

    if (m_rightMeasure != NULL) m_rightMeasure->SetIgnored(ignore);

    //  If the right chip is the same as the left chip , update the right
    //  ignore blox.
    if (m_leftMeasure != NULL) {
      if (m_rightMeasure->GetCubeSerialNumber() == m_leftMeasure->GetCubeSerialNumber()) {
        m_leftMeasure->SetIgnored(ignore);
        m_ignoreLeftMeasure->setChecked(ignore);
      }
    }
    emit measureChanged();
  }


  void ControlPointEditWidget::nextRightMeasure() {

    int curIndex = m_rightCombo->currentIndex();
    if (curIndex < m_rightCombo->count() - 1) {
      // update the right measure list index and select that measure
      m_rightCombo->setCurrentIndex(curIndex + 1);
      selectRightMeasure(curIndex+1);
    }
  }


  void ControlPointEditWidget::previousRightMeasure() {

    int curIndex = m_rightCombo->currentIndex();
    if (curIndex > 0) {
      // update the right measure list index and select that measure
      m_rightCombo->setCurrentIndex(curIndex - 1);
      selectRightMeasure(curIndex-1);
    }
  }



  void ControlPointEditWidget::selectLeftMeasure(int index) {

    QString file = m_pointFiles[index];
    QString serial;
    try {
      serial = m_serialNumberList->serialNumber(file);
    }
    catch (IException &e) {
      QString message = "Make sure the correct cube is opened.\n\n";
      message += e.toString();
      QMessageBox::critical(this, "Error", message);

      //  Set index of combo back to what it was before user selected new.  Find the index
      //  of current left measure.
      QString file = m_serialNumberList->fileName(m_leftMeasure->GetCubeSerialNumber());
      int i = m_leftCombo->findText(FileName(file).name());
      if (i < 0) i = 0;
      m_leftCombo->setCurrentIndex(i);
      return;
    }

    if (m_leftMeasure != NULL) {
      delete m_leftMeasure;
      m_leftMeasure = NULL;
    }

    m_leftMeasure = new ControlMeasure;
    *m_leftMeasure = *((*m_editPoint)[serial]);

    //  If m_leftCube is not null, delete before creating new one
    m_leftCube.reset(new Cube(file, "r"));

    //  Update left measure of pointEditor
    m_measureEditor->setLeftMeasure (m_leftMeasure, m_leftCube.data(), m_editPoint->GetId());
    updateLeftMeasureInfo ();
  }


  void ControlPointEditWidget::selectRightMeasure(int index) {

    QString file = m_pointFiles[index];

    QString serial;
    try {
      serial = m_serialNumberList->serialNumber(file);
    }
    catch (IException &e) {
      QString message = "Make sure the correct cube is opened.\n\n";
      message += e.toString();
      QMessageBox::critical(this, "Error", message);

      //  Set index of combo back to what it was before user selected new.  Find the index
      //  of current left measure.
      QString file = m_serialNumberList->fileName(m_rightMeasure->GetCubeSerialNumber());
      int i = m_rightCombo->findText(FileName(file).name());
      if (i < 0) i = 0;
      m_rightCombo->setCurrentIndex(i);
      return;
    }

    if (m_rightMeasure != NULL) {
      delete m_rightMeasure;
      m_rightMeasure = NULL;
    }

    m_rightMeasure = new ControlMeasure;
    *m_rightMeasure = *((*m_editPoint)[serial]);

    //  If m_rightCube is not null, delete before creating new one
    m_rightCube.reset(new Cube(file, "r"));

    //  Update left measure of pointEditor
    m_measureEditor->setRightMeasure (m_rightMeasure, m_rightCube.data(), m_editPoint->GetId());
    updateRightMeasureInfo ();
  }


  void ControlPointEditWidget::updateLeftMeasureInfo () {

    //  Set editLock measure box correctly
    m_lockLeftMeasure->setChecked(IsMeasureLocked(
                                       m_leftMeasure->GetCubeSerialNumber()));
    //  Set ignore measure box correctly
    m_ignoreLeftMeasure->setChecked(m_leftMeasure->IsIgnored());

    QString s = "Reference: ";
    if (m_editPoint->IsReferenceExplicit() &&
        (QString(m_leftMeasure->GetCubeSerialNumber()) == m_editPoint->GetReferenceSN())) {
      s += "True";
    }
    else {
      s += "False";
    }
    m_leftReference->setText(s);

    s = "Measure Type: ";
    if (m_leftMeasure->GetType() == ControlMeasure::Candidate) s += "Candidate";
    if (m_leftMeasure->GetType() == ControlMeasure::Manual) s += "Manual";
    if (m_leftMeasure->GetType() == ControlMeasure::RegisteredPixel) s += "RegisteredPixel";
    if (m_leftMeasure->GetType() == ControlMeasure::RegisteredSubPixel) s += "RegisteredSubPixel";
    m_leftMeasureType->setText(s);
  }


  void ControlPointEditWidget::updateRightMeasureInfo() {

  //  Set editLock measure box correctly
    m_lockRightMeasure->setChecked(IsMeasureLocked(
                                        m_rightMeasure->GetCubeSerialNumber()));
      //  Set ignore measure box correctly
    m_ignoreRightMeasure->setChecked(m_rightMeasure->IsIgnored());

    QString s = "Reference: ";
    if (m_editPoint->IsReferenceExplicit() &&
        (QString(m_rightMeasure->GetCubeSerialNumber()) == m_editPoint->GetReferenceSN())) {
      s += "True";
    }
    else {
      s += "False";
    }

    m_rightReference->setText(s);

    s = "Measure Type: ";
    if (m_rightMeasure->GetType() == ControlMeasure::Candidate) s+= "Candidate";
    if (m_rightMeasure->GetType() == ControlMeasure::Manual) s+= "Manual";
    if (m_rightMeasure->GetType() == ControlMeasure::RegisteredPixel) s+= "RegisteredPixel";
    if (m_rightMeasure->GetType() == ControlMeasure::RegisteredSubPixel) s+= "RegisteredSubPixel";
    m_rightMeasureType->setText(s);
  }



  bool ControlPointEditWidget::eventFilter(QObject *o, QEvent *e) {

    if(e->type() != QEvent::Leave) return false;
    if(o == m_leftCombo->view()) {
      updateLeftMeasureInfo();
      m_leftCombo->hidePopup();
    }
    if (o == m_rightCombo->view()) {
      updateRightMeasureInfo ();
      m_rightCombo->hidePopup();
    }
    return true;
  }


  bool ControlPointEditWidget::okToContinue() {

    if (m_templateModified) {
      int r = QMessageBox::warning(this, tr("OK to continue?"),
          tr("The currently opened registration template has been modified.\n"
          "Save changes?"),
          QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
          QMessageBox::Yes);

      if (r == QMessageBox::Yes)
        saveTemplateFileAs();
      else if (r == QMessageBox::Cancel)
        return false;
    }

    return true;
  }


  void ControlPointEditWidget::openTemplateFile() {

    if (!okToContinue())
      return;

    QString filename = QFileDialog::getOpenFileName(this,
        "Select a registration template", ".",
        "Registration template files (*.def *.pvl);;All files (*)");

    if (filename.isEmpty())
      return;

    if (m_measureEditor->setTemplateFile(filename)) {
      loadTemplateFile(filename);
    }
  }


  void ControlPointEditWidget::loadTemplateFile(QString fn) {

    QFile file(FileName((QString) fn).expanded());
    if (!file.open(QIODevice::ReadOnly)) {
      QString msg = "Failed to open template file \"" + fn + "\"";
      QMessageBox::warning(this, "IO Error", msg);
      return;
    }

    QTextStream stream(&file);
    m_templateEditor->setText(stream.readAll());
    file.close();

    QScrollBar * sb = m_templateEditor->verticalScrollBar();
    sb->setValue(sb->minimum());

    m_templateModified = false;
    m_saveTemplateFile->setEnabled(false);
  }


  void ControlPointEditWidget::setTemplateModified() {

    m_templateModified = true;
    m_saveTemplateFile->setEnabled(true);
  }


  void ControlPointEditWidget::saveTemplateFile() {

    if (!m_templateModified)
      return;

    QString filename =
        m_measureEditor->templateFileName();

    writeTemplateFile(filename);
  }


  void ControlPointEditWidget::saveTemplateFileAs() {

    QString filename = QFileDialog::getSaveFileName(this,
        "Save registration template", ".",
        "Registration template files (*.def *.pvl);;All files (*)");

    if (filename.isEmpty())
      return;

    writeTemplateFile(filename);
  }


  void ControlPointEditWidget::writeTemplateFile(QString fn) {

    QString contents = m_templateEditor->toPlainText();

    // catch errors in Pvl format when populating pvl object
    stringstream ss;
    ss << contents;
    try {
      Pvl pvl;
      ss >> pvl;
    }
    catch(IException &e) {
      QString message = e.toString();
      QMessageBox::warning(this, "Error", message);
      return;
    }

    QString expandedFileName(FileName((QString) fn).expanded());

    QFile file(expandedFileName);

    if (!file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
      QString msg = "Failed to save template file to \"" + fn + "\"\nDo you "
          "have permission?";
      QMessageBox::warning(this, "IO Error", msg);
      return;
    }

    // now save contents
    QTextStream stream(&file);
    stream << contents;
    file.close();

    if (m_measureEditor->setTemplateFile(fn)) {
      m_templateModified = false;
      m_saveTemplateFile->setEnabled(false);
    }
  }


  void ControlPointEditWidget::viewTemplateFile() {

    try{
      // Get the template file from the ControlPointEditWidget object
      Pvl templatePvl(m_measureEditor->templateFileName());
      // Create registration dialog window using PvlEditDialog class
      // to view and/or edit the template
      PvlEditDialog registrationDialog(templatePvl);
      registrationDialog.setWindowTitle("View or Edit Template File: "
                                         + templatePvl.fileName());
      registrationDialog.resize(550,360);
      registrationDialog.exec();
    }
    catch (IException &e) {
      QString message = e.toString();
      QMessageBox::information(this, "Error", message);
    }
  }


  void ControlPointEditWidget::saveChips() {

    m_measureEditor->saveChips();
  }


  void ControlPointEditWidget::showHideTemplateEditor() {

    if (!m_templateEditorWidget)
      return;

    m_templateEditorWidget->setVisible(!m_templateEditorWidget->isVisible());
  }


  void ControlPointEditWidget::addTemplates(TemplateList *templateList) {
    if(templateList->type() == "registrations") {
      for(int i = 0; i < templateList->size(); i++) {
        m_templateComboBox->addItem(templateList->at(i)->importName()
                                    + "/" + FileName(templateList->at(i)->fileName()).name());
      }
    }
  }


  void ControlPointEditWidget::setTemplateFile(QString filename) {
    QString expandedFileName = filename;
    if(!filename.startsWith("$base")){
      expandedFileName = m_directory->project()->templateRoot()
                                 + "/registrations/" + filename;
    }
    if (m_measureEditor->setTemplateFile(expandedFileName)) {
      loadTemplateFile(expandedFileName);
    }
  }


  void ControlPointEditWidget::resetTemplateComboBox(QString fileName) {
    if(fileName.startsWith("$base")) {
      m_templateComboBox->setCurrentIndex(0);
    }
    QList<QString> components = fileName.split("/");
    int size = components.size();
    int index = m_templateComboBox->findText(components[size - 2] + "/" + components[size - 1]);
    if (index != -1) {
      m_templateComboBox->setCurrentIndex(index);
    }
  }


  void ControlPointEditWidget::updateSurfacePointInfo() {

    QString s;

    SurfacePoint aprioriPoint = m_editPoint->GetAprioriSurfacePoint();
    if (aprioriPoint.GetLatitude().degrees() == Null) {
      s = "Apriori Latitude:  Null";
    }
    else {
      s = "Apriori Latitude:  " +
          QString::number(aprioriPoint.GetLatitude().degrees());
    }
    m_aprioriLatitude->setText(s);
    if (aprioriPoint.GetLongitude().degrees() == Null) {
      s = "Apriori Longitude:  Null";
    }
    else {
      s = "Apriori Longitude:  " +
          QString::number(aprioriPoint.GetLongitude().degrees());
    }
    m_aprioriLongitude->setText(s);
    if (aprioriPoint.GetLocalRadius().meters() == Null) {
      s = "Apriori Radius:  Null";
    }
    else {
      s = "Apriori Radius:  " +
          QString::number(aprioriPoint.GetLocalRadius().meters(),'f',2) +
          " <meters>";
    }
    m_aprioriRadius->setText(s);
  }


//  TODO  Is this needed?
//
//  void ControlPointEditWidget::refresh() {
//
//    //  Check point being edited, make sure it still exists, if not ???
//    //  Update ignored checkbox??
//    if (m_editPoint != NULL) {
//      try {
//        QString id = m_ptIdValue->text().remove("Point ID:  ");
//        m_controlNet->GetPoint(id);
//      }
//      catch (IException &) {
//        delete m_editPoint;
//        m_editPoint = NULL;
//        emit controlPointChanged();
//      }
//    }
//  }


  void ControlPointEditWidget::colorizeSavePointButton() {

    QColor qc = Qt::red;
    QPalette p = m_savePoint->palette();
    p.setColor(QPalette::ButtonText,qc);
    m_savePoint->setPalette(p);
  }


  void ControlPointEditWidget::colorizeSaveNetButton(bool reset) {

    if (reset) {
      //  Change Save Net button text back to default black
      m_saveNet->setPalette(m_saveDefaultPalette);
    }
    else {
    QColor qc = Qt::red;
    QPalette p = m_savePoint->palette();
    p.setColor(QPalette::ButtonText,qc);
    m_saveNet->setPalette(p);
    }

  }


  bool ControlPointEditWidget::IsMeasureLocked (QString serialNumber) {

    if (m_editPoint == NULL) return false;

    // Reference implicitly editLocked
    if (m_editPoint->IsEditLocked() && m_editPoint->IsReferenceExplicit() &&
        (m_editPoint->GetReferenceSN() == serialNumber)) {
      return true;
    }
    // Return measures explicit editLocked value
    else {
      return m_editPoint->GetMeasure(serialNumber)->IsEditLocked();
    }

  }


  void ControlPointEditWidget::saveNet() {

    m_control->write();

    //  Change Save Measure button text back to default
    m_saveNet->setPalette(m_saveDefaultPalette);
  }


  void ControlPointEditWidget::clearEditPoint() {
    delete m_editPoint;
    m_editPoint = NULL;
  }


  // 2014-07-21 TLS  Ipce  This needs to be changed to return the help information or
  //              widget?? to the calling program, so that it can be added to a menu or toolbar.
#if 0
  void ControlPointEditWidget::showHelp() {

    QDialog *helpDialog = new QDialog(this);
    helpDialog->setWindowTitle("Match Tool Help");

    QVBoxLayout *mainLayout = new QVBoxLayout;
    helpDialog->setLayout(mainLayout);

    QLabel *matchTitle = new QLabel("<h2>Match Tool</h2>");
    mainLayout->addWidget(matchTitle);

    QLabel *matchSubtitle = new QLabel("A tool for interactively measuring and editing sample/line "
                                  "registration points between cubes.  These "
                                  "points contain sample, line postions only, no latitude or "
                                  "longitude values are used or recorded.");
    matchSubtitle->setWordWrap(true);
    mainLayout->addWidget(matchSubtitle);

    QTabWidget *tabArea = new QTabWidget;
    tabArea->setDocumentMode(true);
    mainLayout->addWidget(tabArea);

    //  TAB 1 - Overview
    QScrollArea *overviewTab = new QScrollArea;
    overviewTab->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    overviewTab->setWidgetResizable(true);
    QWidget *overviewContainer = new QWidget;
    QVBoxLayout *overviewLayout = new QVBoxLayout;
    overviewContainer->setLayout(overviewLayout);

    QLabel *purposeTitle = new QLabel("<h2>Purpose</h2>");
    overviewLayout->addWidget(purposeTitle);

    QLabel *purposeText = new QLabel("<p>This tool is for recording and editing registration "
        "points measured between cubes displayed in the <i>qview</i> main window.</p> <p>The "
        "recorded registration points are sample and line pixel coordinates only.  Therefore, this "
        "tool can be used on any images including ones that do not contain a camera model "
        "(i.e, The existence of the Isis Instrument Group on the image labels is not required). "
        "This also means that the tool differs from the <i>qnet</i> control point network "
        "application in that no latitude or longitude values are ever used or recorded "
        "(regardless if the image has a camera model in Isis).</p>"
        "<p>The output control point network that this tool generates is primarily used 1) as "
        "input for an image-wide sample/line translation to register one image to another by "
        "'moving' pixel locations - refer to the documentation for applications such as "
        "<i>translate</i> and <i>warp</i>, or 2) to export the file and use the recorded "
        "measurements in other spreadsheet or plotting packages to visualize magnitude "
        "and direction of varying translations of the images relative to one another.</p> "
        "<p>An automated version of this match tool is the <i>coreg</i> application.  This tool "
        "can be used to visually evaluate and edit the control point network created by "
        "<i>coreg</i>.</p> "
        "<p>The format of the output point network file is binary. This tool uses the Isis control "
        " network framework to create, co-register and save all control points and pixel "
        "measurements.  The application <i>cnetbin2pvl</i> can be used to convert from binary to "
        "a readable PVL format."
        "<p>The Mouse Button functions are: (same as <i>qnet</i>)<ul><li>Modify Point=Left</li> "
        "<li>Delete Point=Middle</li><li>Create New Point=Right</li></ul></p>"
        "<p>Control Points are drawn on the associated displayed cubes with the following colors:  "
        "Green=Valid registration point; Yellow=Ignored point; Red=Active point being edited");
    purposeText->setWordWrap(true);
    overviewLayout->addWidget(purposeText);

    overviewTab->setWidget(overviewContainer);

    //  TAB 2 - Quick Start
    QScrollArea *quickTab = new QScrollArea;
    quickTab->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    quickTab->setWidgetResizable(true);
    QWidget *quickContainer = new QWidget;
    QVBoxLayout *quickLayout = new QVBoxLayout;
    quickContainer->setLayout(quickLayout);

    QLabel *quickTitle = new QLabel("<h2>Quick Start</h2>");
    quickLayout->addWidget(quickTitle);

    QLabel *quickSubTitle = new QLabel("<h3>Preparation:</h3>");
    quickLayout->addWidget(quickSubTitle);

    QString toolIconDir = FileName("$base/icons").expanded();

    QLabel *quickPrep = new QLabel("<p><ul>"
        "<li>Open the cubes with overlapping areas for choosing control points</li>"
        "<li>Choose the match tool <img src=\"" + toolIconDir +
        "/stock_draw-connector-with-arrows.png\" width=22 height=22> "
        "from the toolpad on the right side of the <i>qview</i> main window</li>");
    quickPrep->setWordWrap(true);
    quickLayout->addWidget(quickPrep);

    QLabel *morePrep = new QLabel("<p>Once the Match tool is activated the tool bar at the top "
        "of the main window contains file action buttons and a help button:");
    morePrep->setWordWrap(true);
    quickLayout->addWidget(morePrep);

    QLabel *fileButtons = new QLabel("<p><ul>"
        "<li><img src=\"" + toolIconDir + "/fileopen.png\" width=22 height=22>  Open an existing "
        "control network  <b>Note:</b> If you do not open an existing network, a new one will "
        "be created</li>"
        "<li><img src=\"" + toolIconDir + "/mActionFileSaveAs.png\" width=22 height=22> Save "
        "control network as ...</li>"
        "<li><img src=\"" + toolIconDir + "/mActionFileSave.png\" width=22 height=22> Save "
        "control network to current file</li>"
        "<li><img src=\"" + toolIconDir + "/help-contents.png\" width=22 height=22> Show Help "
        "</li></ul></p>");
    fileButtons->setWordWrap(true);
    quickLayout->addWidget(fileButtons);

    QLabel *quickFunctionTitle = new QLabel("<h3>Cube Viewport Functions:</h3>");
    quickLayout->addWidget(quickFunctionTitle);

    QLabel *quickFunction = new QLabel(
        "The match tool window will be shown once "
        "you click in a cube viewport window using one of the following "
        "mouse functions.  <b>Note:</b>  Existing control points are drawn on the cube viewports");
    quickFunction->setWordWrap(true);
    quickLayout->addWidget(quickFunction);

    QLabel *quickDesc = new QLabel("<p><ul>"
      "<li>Left Click - Modify the control point closest to the click  <b>Note:</b>  "
      "All cubes in the control point must be displayed before loading the point</li>"
      "<li>Middle Click - Delete the control point closest to the click</li>"
      "<li>Right Click - Create a new control point at the click location</li></ul></p>");
    quickDesc->setWordWrap(true);
    quickDesc->setOpenExternalLinks(true);
    quickLayout->addWidget(quickDesc);

    quickTab->setWidget(quickContainer);

    //  TAB 3 - Control Point Editing
    QScrollArea *controlPointTab = new QScrollArea;
    controlPointTab->setWidgetResizable(true);
    controlPointTab->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    QWidget *controlPointContainer = new QWidget;
    QVBoxLayout *controlPointLayout = new QVBoxLayout;
    controlPointContainer->setLayout(controlPointLayout);

    QLabel *controlPointTitle = new QLabel("<h2>Control Point Editing</h2>");
    controlPointLayout->addWidget(controlPointTitle);

    QLabel *mouseLabel = new QLabel("<p><h3>When the \"Match\" tool "
      "is activated, the mouse buttons have the following function in the "
      "cube viewports of the main qview window:</h3>");
    mouseLabel->setWordWrap(true);
    mouseLabel->setScaledContents(true);
    controlPointLayout->addWidget(mouseLabel);

    QLabel *controlPointDesc = new QLabel("<ul>"
      "<li>Left click   - Edit the closest control point   <b>Note:</b>  "
      "All cubes in the control point must be displayed before loading the point</li>"
      "<li>Middle click - Delete the closest control point</li>"
      "<li>Right click  - Create new control point at cursor location.  This will bring up a new "
      "point dialog which allows you to enter a point id and will list all cube viewports, "
      "highlighting cubes where the point has been chosen by clicking on the cube's viewport.  "
      "When the desired cubes have been chosen, select the \"Done\" button which will load the "
      "control point into the control point editor window which will allow the control measure "
      "positions to be refined.</li>");
    controlPointDesc->setWordWrap(true);
    controlPointLayout->addWidget(controlPointDesc);

    QLabel *controlPointEditing = new QLabel(
      "<h4>Changing Control Measure Locations</h4>"
        "<p>Both the left and right control measure positions can be adjusted by:"
      "<ul>"
      "<li>Move the cursor location under the crosshair by clicking the left mouse "
            "button</li>"
      "<li>Move 1 pixel at a time by using arrow keys on the keyboard</li>"
      "<li>Move 1 pixel at a time by using arrow buttons above the right and left views</li>"
      "</ul></p>"
      "<h4>Other Point Editor Functions</h4>"
        "<p>Along the right border of the window:</p>"
        "<ul>"
          "<li><strong>Link Zoom</strong>   This will link the two small viewports together when "
              "zooming (ie.  If this is checked, if the left view is zoomed, the right view will "
              "match the left view's zoom factor.  "
              "<b>Note:</b>   Zooming is controlled from the left view.</li>"
         "<li><strong>No Rotate:</strong>  Turn off the rotation and bring right view back to "
          "its original orientation</li>"
          "<li><strong>Rotate:</strong>   Rotate the right view using either the dial "
              "or entering degrees </li>"
          "<li><strong>Show control points:</strong>  Draw crosshairs at all control "
               "point locations visible within the view</li>"
          "<li><strong>Show crosshair:</strong>  Show a red crosshair across the entire "
              "view</li>"
          "<li><strong>Circle:</strong>  Draw circle which may help center measure "
              "on a crater</li></ul"
        "<p>Below the left view:</p>"
          "<ul><li><strong>Blink controls:</strong>  Blink the left and right view in the "
          "left view window using the \"Blink Start\" button <img src=\"" + toolIconDir +
          "/blinkStart.png\" width=22 height=22> and \"Blink Stop\" button <img src=\"" +
          toolIconDir + "/blinkStop.png\" width=22 height=22>.  The arrow keys above the left "
          "and right views and the keyboard arrow keys may be used to move the both views while "
          "blinking.</li>"
        "<li><strong>Register:</strong>  Sub-pixel register the right view to "
              "the left view. A default registration template is used for setting parameters "
              "passed to the sub-pixel registration tool.  The user may load in a predefined "
              "template or edit the current loaded template to influence successful "
              "co-registration results.  For more information regarding the pattern matching "
              "functionlity or how to create a parameter template, refer to the Isis PatternMatch "
              "document and the <i>autoregtemplate</i> application.</li>"
        "<li><strong>Save Measures:</strong>  Save the two control measures using the sample, "
              "line positions under the crosshairs.</li>"
        "<li><strong>Save Point:</strong>  Save the control point to the control network.</li>"
        "</ul>");
    controlPointEditing->setWordWrap(true);
    controlPointLayout->addWidget(controlPointEditing);

    controlPointTab->setWidget(controlPointContainer);

    tabArea->addTab(overviewTab, "&Overview");
    tabArea->addTab(quickTab, "&Quick Start");
    tabArea->addTab(controlPointTab, "&Control Point Editing");

    QHBoxLayout *buttonsLayout = new QHBoxLayout;
    // Flush the buttons to the right
    buttonsLayout->addStretch();

    QPushButton *closeButton = new QPushButton("&Close");
    closeButton->setIcon(QIcon(FileName("$base/icons/guiStop.png").expanded()));
    closeButton->setDefault(true);
    connect(closeButton, SIGNAL(clicked()),
            helpDialog, SLOT(close()));
    buttonsLayout->addWidget(closeButton);

    mainLayout->addLayout(buttonsLayout);

    helpDialog->show();
  }
#endif
}