How to use

ucar.unidata.geoloc.projection.FlatEarth

constructor

/**
 * Test
 *
 * @param args not used
 */
public static void main(String[] args) {
 FlatEarth a = new FlatEarth(90, -100, 0.0);
 ProjectionPoint p = a.latLonToProj(89, -101);
 System.out.println("proj point = " + p);
 LatLonPoint ll = a.projToLatLon(p);
 System.out.println("ll = " + ll);
}

/**
 * Test
 *
 * @param args not used
 */
public static void main(String[] args) {
 FlatEarth a = new FlatEarth(90, -100, 0.0);
 ProjectionPoint p = a.latLonToProj(89, -101);
 System.out.println("proj point = " + p);
 LatLonPoint ll = a.projToLatLon(p);
 System.out.println("ll = " + ll);
}

/**
 * Test
 *
 * @param args not used
 */
public static void main(String[] args) {
  FlatEarth           a = new FlatEarth(90, -100, 0.0);
  ProjectionPointImpl p = a.latLonToProj(89, -101);
  System.out.println("proj point = " + p);
  LatLonPoint ll = a.projToLatLon(p);
  System.out.println("ll = " + ll);
}

/**
 * Test
 *
 * @param args not used
 */
public static void main(String[] args) {
 FlatEarth a = new FlatEarth(90, -100, 0.0);
 ProjectionPointImpl p = a.latLonToProj(89, -101);
 System.out.println("proj point = " + p);
 LatLonPoint ll = a.projToLatLon(p);
 System.out.println("ll = " + ll);
}

  @Override protected FlatEarth createProjection(final ParameterValueGroup p) {
    if (p == null) return new FlatEarth();
    return new FlatEarth(value(p, CF.LATITUDE_OF_PROJECTION_ORIGIN),
               value(p, CF.LONGITUDE_OF_PROJECTION_ORIGIN),
               value(p, FlatEarth.ROTATIONANGLE),
               earthRadius(p) / KILOMETRE);
  }
}

 /** copy constructor - avoid clone !! */
public ProjectionImpl constructCopy() {
 return new FlatEarth( getOriginLat(), getOriginLon(), getRotationAngle());     
}

/**
 * origin
 */
//private LatLonPointImpl origin;  // why are we keeping this?
@Override
public ProjectionImpl constructCopy() {
 ProjectionImpl result = new FlatEarth(getOriginLat(), getOriginLon(), getRotationAngle());
 result.setDefaultMapArea(defaultMapArea);
 result.setName(name);
 return result;
}

@Test
public void testFlatEarth() {
 testProjectionProjMax(new FlatEarth(), 5000, 5000);
 FlatEarth p = new FlatEarth();
 FlatEarth p2 = (FlatEarth) p.constructCopy();
 assert p.equals(p2);
}

/**
 * origin
 */
//private LatLonPointImpl origin;  // why are we keeping this?
@Override
public ProjectionImpl constructCopy() {
 ProjectionImpl result = new FlatEarth(getOriginLat(), getOriginLon(), getRotationAngle());
 result.setDefaultMapArea(defaultMapArea);
 result.setName(name);
 return result;
}

/**
 * origin
 */
//private LatLonPointImpl origin;  // why are we keeping this?
@Override
public ProjectionImpl constructCopy() {
 ProjectionImpl result = new FlatEarth(getOriginLat(), getOriginLon(), getRotationAngle());
 result.setDefaultMapArea(defaultMapArea);
 result.setName(name);
 return result;
}

 public CoordinateTransform makeCoordinateTransform(NetcdfDataset ds, Variable ctv) {
  double lon0 = readAttributeDouble( ctv, CF.LONGITUDE_OF_PROJECTION_ORIGIN, Double.NaN);
  double lat0 = readAttributeDouble( ctv, CF.LATITUDE_OF_PROJECTION_ORIGIN, Double.NaN);
  double rot = readAttributeDouble( ctv, ucar.unidata.geoloc.projection.FlatEarth.ROTATIONANGLE, 0.0);
  double earth_radius = getEarthRadiusInKm(ctv);

  ucar.unidata.geoloc.projection.FlatEarth proj = new ucar.unidata.geoloc.projection.FlatEarth(lat0, lon0, rot, earth_radius);
  return new ProjectionCT(ctv.getShortName(), "FGDC", proj);
 }
}

 public CoordinateTransform makeCoordinateTransform(NetcdfDataset ds, Variable ctv) {
  double lon0 = readAttributeDouble( ctv, CF.LONGITUDE_OF_PROJECTION_ORIGIN, Double.NaN);
  double lat0 = readAttributeDouble( ctv, CF.LATITUDE_OF_PROJECTION_ORIGIN, Double.NaN);
  double rot = readAttributeDouble( ctv, ucar.unidata.geoloc.projection.FlatEarth.ROTATIONANGLE, 0.0);
  double earth_radius = getEarthRadiusInKm(ctv);

  ucar.unidata.geoloc.projection.FlatEarth proj = new ucar.unidata.geoloc.projection.FlatEarth(lat0, lon0, rot, earth_radius);
  return new ProjectionCT(ctv.getShortName(), "FGDC", proj);
 }
}

 public ProjectionCT makeCoordinateTransform(AttributeContainer ctv, String geoCoordinateUnits) {
  double lon0 = readAttributeDouble( ctv, CF.LONGITUDE_OF_PROJECTION_ORIGIN, Double.NaN);
  double lat0 = readAttributeDouble( ctv, CF.LATITUDE_OF_PROJECTION_ORIGIN, Double.NaN);
  double rot = readAttributeDouble( ctv, ucar.unidata.geoloc.projection.FlatEarth.ROTATIONANGLE, 0.0);
  double earth_radius = getEarthRadiusInKm(ctv);

  ucar.unidata.geoloc.projection.FlatEarth proj = new ucar.unidata.geoloc.projection.FlatEarth(lat0, lon0, rot, earth_radius);
  return new ProjectionCT(ctv.getName(), "FGDC", proj);
 }
}

ncfile.addVariable(null, yaxis);
ProjectionImpl projection = new FlatEarth(lat_min, lon_max);

ncfile.addVariable(null, yaxis);
ProjectionImpl projection = new FlatEarth(lat_min, lon_max);

ncfile.addVariable(null, yaxis);
ProjectionImpl projection = new FlatEarth(lat_min, lon_max);

ncfile.addVariable(null, yaxis);
ProjectionImpl projection = new FlatEarth(lat_min, lon_max);

ncfile.addVariable(null, yaxis);
ProjectionImpl projection = new FlatEarth(lat_min, lon_max);

ncfile.addVariable(null, yaxis);
ProjectionImpl projection = new FlatEarth(lat_min, lon_max);

switch (projType) {
 case 0: // for diagnostic runs with no georeferencing
  proj = new FlatEarth();
  projCT = new ProjectionCT("flat_earth", "FGDC", proj);