cdm/src/main/java/ucar/unidata/geoloc/projection/sat/GEOSTransform.java
public double[] GOES_to_GEOS(double lamda_goes, double theta_goes) {
    double theta_geos = Math.asin(Math.sin(theta_goes) * Math.cos(lamda_goes));
    double lamda_geos = Math.atan(Math.tan(lamda_goes) / Math.cos(theta_goes));

    return new double[]{lamda_geos, theta_geos};
  }
public double[] GOES_to_GEOS(double lamda_goes, double theta_goes) {
    double theta_geos = Math.asin(Math.sin(theta_goes) * Math.cos(lamda_goes));
    double lamda_geos = Math.atan(Math.tan(lamda_goes) / Math.cos(theta_goes));

    return new double[]{lamda_geos, theta_geos};
  }
Transform view angle coordinates in the GOES scan geometry frame to view angle coordinates
in the GEOS scan geometry frame.