Merge pull request #431 from kberryUSGS/initial_virtis_calibrated_camera_model

    // Setup detector map

    //  Get the line scan rates/times

    if (!m_is1BCalibrated) {

      readHouseKeeping(lab.fileName(), m_scanRate); 

    }

    else {

      readSCET(lab.fileName());

    }

    new VariableLineScanCameraDetectorMap(this, m_lineRates);

    DetectorMap()->SetDetectorSampleSumming(m_summing);

    // Setup focal plane map

    new CameraFocalPlaneMap(this, naifIkCode());

    //  Retrieve boresight location from instrument kernel (IK) (addendum?)

    QString ikernKey = "INS" + toString(naifIkCode()) + "_BORESIGHT_SAMPLE";

    double sampleBoreSight = getDouble(ikernKey);

    ikernKey = "INS" + toString(naifIkCode()) + "_BORESIGHT_LINE";

    double lineBoreSight = getDouble(ikernKey);

    FocalPlaneMap()->SetDetectorOrigin(sampleBoreSight, lineBoreSight);

    // Setup distortion map

    new CameraDistortionMap(this);

    // Setup the ground and sky map

    new LineScanCameraGroundMap(this);

    new LineScanCameraSkyMap(this);

    // Set initial start time always (label start time is inaccurate)

    if (!m_is1BCalibrated){

      setTime(iTime(startTime())); 

    }

    //  Now check to determine if we have a cache already.  If we have a cache

    //  table, we are beyond spiceinit and have already computed the proper

    //  point table from the housekeeping data or articulation kernel.

    if (!instrumentRotation()->IsCached() && !hasArtCK) {

    if (!instrumentRotation()->IsCached() && !hasArtCK && !m_is1BCalibrated) {

      // Create new table here prior to creating normal caches

      Table quats = getPointingTable(frameId, virFrame);

  /**

   * @brief Read the VIR houskeeping table from cube

   * @brief For calibrated VIRTIS-M images, read the SCET values from the cube

   *

   * 

   * @param filename The filename of the cube with the house keeping table.

   * @param linerate The linerate for the cube.

   *

   * @history 2011-07-22 Kris Becker

   */

  void RosettaVirtisCamera::readSCET(const QString &filename) {

   //  Open the ISIS table object

   Table hktable("VIRTISHouseKeeping", filename);

   m_lineRates.clear();

   int lineno(1);

   for (int i = 0; i < hktable.Records(); i++) {

     TableRecord &trec = hktable[i];

     double scet = (double) trec["dataSCET"];

     double lineMidTime;

     lineMidTime = getClockTime(toString(scet), naifSpkCode()).Et();

     m_lineRates.push_back(LineRateChange(lineno,

                                          lineStartTime(lineMidTime),

                                          exposureTime()));

     lineno++;

   }

    // Adjust the last time

    LineRateChange  lastR = m_lineRates.back();

    // Normally the line rate changes would store the line scan rate instead of exposure time.

    // Storing the exposure time instead allows for better time calculations within a line.

    // In order for the VariableLineScanCameraDetectorMap to work correctly with this change,

    // every line in the cube must have a LineRateChange object.  This is because determining

    // the start time for one line based on another line requires the line scan rate.  Having

    // a LineRateChange for every line means never needing to calculate the start time for a line

    // because the start time is stored in that line's LineRateChange.  So, the detector map only

    // calculates times within a given line.

    // See VariableLineScanCameraDetectorMap::exposureDuration() for a description of the

    // difference between exposure time and line scan rate.

    m_lineRates.back() = LineRateChange(lastR.GetStartLine(),

                                        lastR.GetStartEt(),

                                        exposureTime());

  }

  /**

   * @brief Read the VIRTIS houskeeping table from cube

   *

   * This method reads an ISIS Table object from the cube.  This table named,

   * "VIRHouseKeeping", contains four fields: ScetTimeClock, ShutterStatus,

    private:

      void readHouseKeeping(const QString &filename, double lineRate);

      void readSCET(const QString &filename);

      QString scrub(const QString &text) const;

      double exposureTime() const;

      double scanLineTime() const;