Chandrayaan2OhrcCamera.cpp

 
/* SPDX-License-Identifier: CC0-1.0 */
 
#include "Chandrayaan2OhrcCamera.h"
 
#include <QString>
 
#include "Affine.h"
#include "CameraDistortionMap.h"
#include "CameraFocalPlaneMap.h"
#include "IException.h"
#include "iTime.h"
#include "IString.h"
#include "LineScanCameraDetectorMap.h"
#include "LineScanCameraGroundMap.h"
#include "LineScanCameraSkyMap.h"
#include "NaifStatus.h"
 
using namespace std;
namespace Isis {
  Chandrayaan2OhrcCamera::Chandrayaan2OhrcCamera(Cube &cube) : LineScanCamera(cube) {
    m_instrumentNameLong = "Orbiter High-Resolution Camera";
    m_instrumentNameShort = "OHRC";
    m_spacecraftNameLong = "Chandrayaan 2";
    m_spacecraftNameShort = "Chan2";
 
    NaifStatus::CheckErrors();
    // Set up the camera info from ik/iak kernels
    SetFocalLength();
    //Chandrayaan2 iak uses INS-152???_PIXEL_SIZE instead of PIXEL_PITCH
    QString ikernKey = "INS" + toString(naifIkCode()) + "_PIXEL_SIZE";
    // Pixel size is specified in meters, we need it in mm
    SetPixelPitch(getDouble(ikernKey)*1000);
 
    // Get the start time from labels
    Pvl &lab = *cube.label();
    PvlGroup &inst = lab.findGroup("Instrument", Pvl::Traverse);
    QString stime = (QString)inst["StartTime"];
    SpiceDouble etStart = 0;
    etStart = iTime(stime).Et();
 
    double csum = 1;
    if (inst.hasKeyword("SpatialSumming"))
      csum = inst["SpatialSumming"];
    double lineRate = (double) inst["LineExposureDuration"] / 1000;
 
    // Setup detector map
    LineScanCameraDetectorMap *detectorMap =
      new LineScanCameraDetectorMap(this, etStart, lineRate);
    detectorMap->SetDetectorSampleSumming(csum);
 
    // Setup focal plane map
    CameraFocalPlaneMap *focalMap = new CameraFocalPlaneMap(this, naifIkCode());
 
    //  Retrieve boresight location from instrument kernel (IK) (addendum?)
    QString centerKey = "INS" + toString((int)naifIkCode()) + "_CENTER";
    double sampleCenter = getDouble(centerKey, 0);
    double lineCenter = getDouble(centerKey, 1);
 
    focalMap->SetDetectorOrigin(sampleCenter, lineCenter);
    focalMap->SetDetectorOffset(0.0, 0.0);
 
    // @TODO set no distortion? No values in IK
    // Setup distortion map
    CameraDistortionMap *distMap = new CameraDistortionMap(this);
    distMap->SetDistortion(naifIkCode());
 
    // Setup the ground and sky map
    new LineScanCameraGroundMap(this);
    new LineScanCameraSkyMap(this);
 
    // Set proper end frame
    int ohrcFrame(0);
    if (naifIkCode() == -152270) {
      ohrcFrame = naifIkCode() - 10;
    } else {
      // Throw an exception if the frame code is not recognized
      QString msg = "Unknown frame code [" + toString(naifIkCode()) + "] for Chandrayaan2 OHRC Camera.";
      throw IException(IException::Programmer, msg, _FILEINFO_);
    }
 
    instrumentRotation()->SetFrame(ohrcFrame);
 
    LoadCache();
    NaifStatus::CheckErrors();
  }
}

extern "C" Isis::Camera *Chandrayaan2OhrcCameraPlugin(Isis::Cube &cube) {
  return new Isis::Chandrayaan2OhrcCamera(cube);
}