C++ Projection::Longitude方法代码示例

/**
 * Removes control points not in the lat/lon range provided in the unput 
 * parameters. 
 * 
 * @param outNet The output control net being removed from
 * @param noLanLonPoint The keyword recording all of the control points removed
 *                      due to the provided lat/lon range
 * @param noLanLonPoint The keyword recording all of the control points removed
 *                      due to the inability to calculate the lat/lon for that
 *                      point
 */
void ExtractLatLonRange( ControlNet & outNet, PvlKeyword & nonLatLonPoints,
                         PvlKeyword & cannotGenerateLatLonPoints,  map<iString,iString> sn2filename ) {
  if( outNet.Size() == 0 ) { return; }

  UserInterface &ui = Application::GetUserInterface();

  // Get the lat/lon and fix the range for the internal 0/360
  double minlat = ui.GetDouble("MINLAT");
  double maxlat = ui.GetDouble("MAXLAT");
  double minlon = ui.GetDouble("MINLON");
  if( minlon < 0.0 ) { minlon += 360; }
  double maxlon = ui.GetDouble("MAXLON");
  if( maxlon < 0.0 ) { minlon += 360; }

  bool useNetwork = ui.GetBoolean("USENETWORK");

  Progress progress;
  progress.SetText("Calculating lat/lon");
  progress.SetMaximumSteps(outNet.Size());
  progress.CheckStatus();

  CubeManager manager;
  manager.SetNumOpenCubes( 50 ); //Should keep memory usage to around 1GB

  for( int cp = outNet.Size()-1; cp >= 0; cp --) {
    progress.CheckStatus();

    // If the Contorl Network takes priority, use it
    double pointLat = outNet[cp].UniversalLatitude();
    double pointLon = outNet[cp].UniversalLongitude();
    bool useControlNet = useNetwork && pointLat > -1000 && pointLon > -1000;
    if( outNet[cp].Type() == Isis::ControlPoint::Ground || useControlNet ) {
      if( NotInLatLonRange( outNet[cp].UniversalLatitude(),
                            outNet[cp].UniversalLongitude(),
                            minlat, maxlat, minlon, maxlon ) ) {
        nonLatLonPoints += outNet[cp].Id();
        outNet.Delete( cp );
      }
    }

    /** 
     * If the lat/lon cannot be determined from the point, then we need to calculate
     * lat/lon on our own 
     */
    else if( ui.WasEntered("FROMLIST") ) {

      // Find a cube in the Control Point to get the lat/lon from
      int cm = 0;
      iString sn = "";
      double lat = 0.0;
      double lon = 0.0;
      double radius = 0.0;

      // First check the reference Measure
      if( outNet[cp].HasReference() ) {
        cm = outNet[cp].ReferenceIndex();
        if( !sn2filename[outNet[cp][cm].CubeSerialNumber()].empty() ) {
          sn = outNet[cp][cm].CubeSerialNumber();
        }
      }

      // Search for other Control Measures if needed
      if( sn.empty() ) {
        // Find the Serial Number if it exists
        for( int cm = 0; (cm < outNet[cp].Size()) && sn.empty(); cm ++ ) {
          if( !sn2filename[outNet[cp][cm].CubeSerialNumber()].empty() ) {
            sn = outNet[cp][cm].CubeSerialNumber();
          }
        }
      }

      // Connot fine a cube to get the lat/lon from
      if( sn.empty() ) {
        cannotGenerateLatLonPoints += outNet[cp].Id();
        outNet.Delete( cp );
      }

      // Calculate the lat/lon and check for validity
      else {
        bool remove = false;

        Cube *cube = manager.OpenCube( sn2filename[sn] );
        Camera *camera = cube->Camera();

        if (camera == NULL) {
          try {
            Projection *projection = ProjectionFactory::Create( (*(cube->Label())) );

            if(!projection->SetCoordinate(outNet[cp][cm].Sample(),outNet[cp][cm].Line())) {
//.........这里部分代码省略.........

int main(int argc, char *argv[]) {
  Preference::Preferences(true);

  void doit(Pvl & lab);
  void doit2(Pvl & lab);

  try {
    cout << "Unit test for ProjectionFactory" << endl;

    Pvl lab;
    lab.addGroup(PvlGroup("Mapping"));
    PvlGroup &mapGroup = lab.findGroup("Mapping");
    mapGroup += PvlKeyword("EquatorialRadius", toString(3396190.0));
    mapGroup += PvlKeyword("PolarRadius", toString(3376200.0));

    mapGroup += PvlKeyword("LatitudeType", "Planetographic");
    mapGroup += PvlKeyword("LongitudeDirection", "PositiveEast");
    mapGroup += PvlKeyword("LongitudeDomain", toString(360));

    mapGroup += PvlKeyword("ProjectionName", "SimpleCylindrical");
    mapGroup += PvlKeyword("CenterLongitude", toString(220.0));

    cout << "Test for missing pixel resolution ... " << endl;
    doit(lab);
    doit2(lab);

    mapGroup += PvlKeyword("PixelResolution", toString(2000.0));
    cout << "Test for missing upper left X ... " << endl;
    doit(lab);

    mapGroup += PvlKeyword("UpperLeftCornerX", toString(-18000.0));
    cout << "Test for missing upper left Y ... " << endl;
    doit(lab);

    mapGroup += PvlKeyword("UpperLeftCornerY", toString(2062000.0));

    cout << "Testing conversion from image to ground ... " << endl;
    Projection *proj = ProjectionFactory::CreateFromCube(lab);
    proj->SetWorld(245.0, 355.0);
    cout << setprecision(14);
    cout << "Latitude:  " << proj->Latitude() << endl;
    cout << "Longitude: " << proj->Longitude() << endl;
    cout << endl;

    cout << "Testing conversion from ground to image ... " << endl;
    proj->SetGround(22.84279897788801, 227.9291842833142);
    cout << "Sample:    " << proj->WorldX() << endl;
    cout << "Line:      " << proj->WorldY() << endl;
    cout << endl;

    cout << "Testing missing ground range on create method ... " << endl;
    doit2(lab);

    mapGroup += PvlKeyword("MinimumLatitude", toString(10.8920539924144));
    mapGroup += PvlKeyword("MaximumLatitude", toString(34.7603960060206));
    mapGroup += PvlKeyword("MinimumLongitude", toString(219.72432466275));
    mapGroup += PvlKeyword("MaximumLongitude", toString(236.186050244411));
    mapGroup.deleteKeyword("UpperLeftCornerX");
    mapGroup.deleteKeyword("UpperLeftCornerY");

    cout << "Testing create method ... " << endl;
    int lines, samples;
    proj = ProjectionFactory::CreateForCube(lab, samples, lines);
    cout << "Lines:       " << lines << endl;
    cout << "Samples:     " << samples << endl;
    cout << "UpperLeftX:  " << (double) mapGroup["UpperLeftCornerX"] << endl;
    cout << "UpperLeftY:  " << (double) mapGroup["UpperLeftCornerY"] << endl;
    cout << endl;

    cout << "Testing create method with existing cube labels" << endl;
    mapGroup.addKeyword(PvlKeyword("UpperLeftCornerX", toString(-16000.0)), Pvl::Replace);
    mapGroup.addKeyword(PvlKeyword("UpperLeftCornerY", toString(2060000.0)), Pvl::Replace);

    Pvl lab2;
    PvlObject icube("IsisCube");
    PvlObject core("Core");
    PvlGroup dims("Dimensions");
    dims += PvlKeyword("Lines", toString(400));
    dims += PvlKeyword("Samples", toString(600));
    core.addGroup(dims);
    icube.addObject(core);
    icube.addGroup(mapGroup);
    lab2.addObject(icube);

    proj = ProjectionFactory::CreateForCube(lab2, samples, lines);
    cout << "Lines:       " << lines << endl;
    cout << "Samples:     " << samples << endl;
    mapGroup = lab2.findGroup("Mapping", Pvl::Traverse);
    cout << "UpperLeftX:  " << (double) mapGroup["UpperLeftCornerX"] << endl;
    cout << "UpperLeftY:  " << (double) mapGroup["UpperLeftCornerY"] << endl;
    cout << endl;

    cout << "Label results" << endl;
    cout << lab2 << endl;
  }
  catch(IException &e) {
    e.print();
  }
}