ApolloMetricCamera.cpp

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#include "ApolloMetricCamera.h"

#include "ApolloMetricDistortionMap.h"

#include "CameraDetectorMap.h"
#include "CameraFocalPlaneMap.h"
#include "CameraGroundMap.h"
#include "CameraSkyMap.h"
#include "FileName.h"
#include "IException.h"
#include "IString.h"
#include "iTime.h"
#include "NaifStatus.h"
#include "ReseauDistortionMap.h"

using namespace std;
namespace Isis {
  ApolloMetricCamera::ApolloMetricCamera(Cube &cube) : FramingCamera(cube) {
    NaifStatus::CheckErrors();

    // Get the camera characteristics
    SetFocalLength();
    SetPixelPitch();

    // Setup detector map
    new CameraDetectorMap(this);

    // Setup focal plane map
    CameraFocalPlaneMap *focalMap = new CameraFocalPlaneMap(this, naifIkCode());
    focalMap->SetDetectorOrigin(ParentSamples() / 2.0, ParentLines() / 2.0);

    QString ppKey("INS" + toString(naifIkCode()) + "_PP");
    QString odkKey("INS" + toString(naifIkCode()) + "_OD_K");
    QString decenterKey("INS" + toString(naifIkCode()) + "_DECENTER");

    new ApolloMetricDistortionMap(this, getDouble(ppKey, 0),
                                  getDouble(ppKey, 1), getDouble(odkKey, 0), getDouble(odkKey, 1),
                                  getDouble(odkKey, 2), getDouble(decenterKey, 0),
                                  getDouble(decenterKey, 1), getDouble(decenterKey, 2));

    // Setup the ground and sky map
    new CameraGroundMap(this);
    new CameraSkyMap(this);

    Pvl &lab = *cube.label();
    const PvlGroup &inst = lab.findGroup("Instrument", Pvl::Traverse);

    // The Spacecraft Name should be either Apollo 15, 16, or 17.  The name
    // itself could be formatted any number of ways, but the number contained
    // in the name should be unique between the missions
    QString spacecraft = inst.findKeyword("SpacecraftName")[0];
    if (spacecraft.contains("15")) {
      p_ckFrameId = -915240;
      p_ckReferenceId = 1;
      p_spkTargetId = -915;
    }
    else if (spacecraft.contains("16")) {
      p_ckFrameId = -916240;
      p_ckReferenceId = 1;
      p_spkTargetId = -916;
    }
    else if (spacecraft.contains("17")) {
      p_ckFrameId = -917240;
      p_ckReferenceId = 1;
      p_spkTargetId = -917;
    }
    else {
      QString msg = "File does not appear to be an Apollo image";
      throw IException(IException::User, msg, _FILEINFO_);
    }

    // Create a cache and grab spice info since it does not change for
    // a framing camera (fixed spacecraft position and pointing)
    // Convert the start time to et
    setTime((QString)inst["StartTime"]);
    LoadCache();
    NaifStatus::CheckErrors();
  }

  pair<iTime, iTime> ApolloMetricCamera::ShutterOpenCloseTimes(double time,
                                                               double exposureDuration) {
    pair<iTime, iTime> shuttertimes;
    // To get shutter start (open) time, subtract half exposure duration
    shuttertimes.first = time - (exposureDuration / 2.0);
    // To get shutter end (close) time, add half exposure duration
    shuttertimes.second = time + (exposureDuration / 2.0);
    return shuttertimes;
  }
} // End Apollo namespace

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