public CassiniProjection() {
   projectionLatitude = Math.toRadians(0);
   projectionLongitude = Math.toRadians(0);
   minLongitude = Math.toRadians(-90);
   maxLongitude = Math.toRadians(90);
   initialize();
 }
 public StereographicAzimuthalProjection() {
   this(Math.toRadians(90.0), Math.toRadians(0.0));
 }