cdm/src/main/java/ucar/unidata/geoloc/projection/FlatEarth.java
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);
  }
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