LoMediumCamera.cpp

 
/* SPDX-License-Identifier: CC0-1.0 */
 
#include "LoMediumCamera.h"
#include "LoMediumDistortionMap.h"
#include "LoCameraFiducialMap.h"
 
#include <QString>
 
#include "Affine.h"
#include "CameraDetectorMap.h"
#include "CameraDistortionMap.h"
#include "CameraFocalPlaneMap.h"
#include "CameraGroundMap.h"
#include "CameraSkyMap.h"
#include "IString.h"
#include "iTime.h"
#include "NaifStatus.h"
 
using namespace std;
namespace Isis {
  LoMediumCamera::LoMediumCamera(Cube &cube) : FramingCamera(cube) {
    NaifStatus::CheckErrors();
 
    m_instrumentNameLong = "Medium Resolution Camera";
    m_instrumentNameShort = "Medium";
 
    // L03 Medium instrument kernel code = -533002
    if (naifIkCode() == -533002) {
      m_spacecraftNameLong = "Lunar Orbiter 3";
      m_spacecraftNameShort = "LO3";
    }
    // LO4 Medium instrument kernel code = -534002
    else if (naifIkCode() == -534002) {
      m_spacecraftNameLong = "Lunar Orbiter 4";
      m_spacecraftNameShort = "LO4";
    }
    // LO5 Medium instrument kernel code = -535002
    else if (naifIkCode() == -535002) {
      m_spacecraftNameLong = "Lunar Orbiter 5";
      m_spacecraftNameShort = "LO5";
    }
    else {
      QString msg = "File does not appear to be a Lunar Orbiter image: ";
      msg += QString::number(naifIkCode());
      msg += " is not a supported instrument kernel code for Lunar Orbiter.";
      throw IException(IException::Programmer, msg, _FILEINFO_);
    }
 
    // Get the Instrument label information needed to define the camera for this frame
    Pvl &lab = *cube.label();
    PvlGroup inst = lab.findGroup("Instrument", Pvl::Traverse);
    QString spacecraft = inst["SpacecraftName"];
    QString instId = inst["InstrumentId"];
 
    LoMediumCamera::FocalPlaneMapType type;
    if(inst.hasKeyword("FiducialSamples")) {
      type = Fiducial;
    }
    else if(inst.hasKeyword("BoresightSample")) {
      type = Boresight;
    }
    else {
      string msg = "Unknown focal plane map type:  ";
      msg += "Labels must include fiducials or boresight";
      throw IException(IException::User, msg, _FILEINFO_);
    }
 
    // Turn off the aberration corrections for the instrument position object
    instrumentPosition()->SetAberrationCorrection("NONE");
 
    // Get the camera characteristics
    SetFocalLength();
    SetPixelPitch();
 
    // Get the start time in et
    double time = iTime((QString)inst["StartTime"]).Et();
 
    // Setup focal plane map
    if(type == Fiducial) {
      LoCameraFiducialMap fid(inst, naifIkCode());
      CameraFocalPlaneMap *focalMap = new CameraFocalPlaneMap(this, naifIkCode());
      // Try (0.,0.)
      focalMap->SetDetectorOrigin(0.0, 0.0);
 
    }
    else  {
      // Read boresight
      double boresightSample = inst["BoresightSample"];
      double boresightLine = inst["BoresightLine"];
      CameraFocalPlaneMap *focalMap = new CameraFocalPlaneMap(this, naifIkCode());
      focalMap->SetDetectorOrigin(boresightSample, boresightLine);
    }
 
    // Setup detector map
    new CameraDetectorMap(this);
 
    // Setup distortion map
    LoMediumDistortionMap *distortionMap = new LoMediumDistortionMap(this);
    distortionMap->SetDistortion(naifIkCode());
    // Setup the ground and sky map
    new CameraGroundMap(this);
    new CameraSkyMap(this);
 
    //  Determine the NAIF ID for the CK frame reference.
    if ( spacecraft.contains("3") ) {
      m_ckFrameId = -533000;
    }
    else if ( spacecraft.contains("4") ) {
      m_ckFrameId = -534000;
    }
    else if ( spacecraft.contains("5") ) {
      m_ckFrameId = -535000;
    }
    else {
      QString msg = "File does not appear to be an LunarOrbiter 3,4,5 image";
      throw IException(IException::User, msg, _FILEINFO_);
    }
 
 
    setTime(time);
    LoadCache();
    NaifStatus::CheckErrors();
  }
 
 
  pair<iTime, iTime> LoMediumCamera::ShutterOpenCloseTimes(double time,
                                                           double exposureDuration) {
    pair<iTime, iTime> shuttertimes;
    // To get shutter start (open) time, subtract half the exposure duration from the center time
    shuttertimes.first = time - (exposureDuration / 2);
    // To get shutter end (close) time, add half the exposure duration to the center time
    shuttertimes.second = time + (exposureDuration / 2);
    return shuttertimes;
  }
}
 
 
extern "C" Isis::Camera *LoMediumCameraPlugin(Isis::Cube &cube) {
  return new Isis::LoMediumCamera(cube);
}