cdm/src/main/java/ucar/unidata/geoloc/projection/Mercator.java
@Override
  public ProjectionPoint latLonToProj(LatLonPoint latLon, ProjectionPointImpl result) {
    double toX, toY;
    double fromLat = latLon.getLatitude();
    double fromLon = latLon.getLongitude();
    double fromLat_r = Math.toRadians(fromLat);

    // infinite projection
    if ((Math.abs(90.0 - Math.abs(fromLat))) < TOLERANCE) {
      toX = Double.POSITIVE_INFINITY;
      toY = Double.POSITIVE_INFINITY;
    } else {
      toX = A * Math.toRadians(LatLonPointImpl.range180(fromLon - this.lon0));
      toY = A * SpecialMathFunction.atanh(Math.sin(fromLat_r)); // p 41 Snyder
    }

    result.setLocation(toX + falseEasting, toY + falseNorthing);
    return result;
  }
@Override
  public ProjectionPoint latLonToProj(LatLonPoint latLon, ProjectionPointImpl result) {
    double toX, toY;
    double fromLat = latLon.getLatitude();
    double fromLon = latLon.getLongitude();
    double fromLat_r = Math.toRadians(fromLat);

    // infinite projection
    if ((Math.abs(90.0 - Math.abs(fromLat))) < TOLERANCE) {
      toX = Double.POSITIVE_INFINITY;
      toY = Double.POSITIVE_INFINITY;
    } else {
      toX = A * Math.toRadians(LatLonPointImpl.range180(fromLon - this.lon0));
      toY = A * SpecialMathFunction.atanh(Math.sin(fromLat_r)); // p 41 Snyder
    }

    result.setLocation(toX + falseEasting, toY + falseNorthing);
    return result;
  }
@ Override public ProjectionPoint latLonToProj ( LatLonPoint latLon , ProjectionPointImpl result ) { double toX , toY ; double fromLat = latLon . getLatitude ( ) ; double fromLon = latLon . getLongitude ( ) ; double fromLat_r = Math . toRadians ( fromLat ) ; // infinite projection
 if ( ( Math . abs ( 90.0 - Math . abs ( fromLat ) ) ) < TOLERANCE ) { toX = Double . POSITIVE_INFINITY ; toY = Double . POSITIVE_INFINITY ; } else { toX = A * Math . toRadians ( LatLonPointImpl . range180 ( fromLon - this . lon0 ) ) ; toY = A * SpecialMathFunction . atanh ( Math . sin ( fromLat_r ) ) ; // p 41 Snyder
 } result . setLocation ( toX + falseEasting , toY + falseNorthing ) ; return result ; }
Convert a LatLonPoint to projection coordinates

@param latLon convert from these lat, lon coordinates
@param result the object to write to
@return the given result
Convert a LatLonPoint to projection coordinates