// **********************************************************************
//
// <copyright>
//
// BBN Technologies
// 10 Moulton Street
// Cambridge, MA 02138
// (617) 873-8000
//
// Copyright (C) BBNT Solutions LLC. All rights reserved.
//
// </copyright>
// **********************************************************************
//
// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/proj/CADRGLoader.java,v $
// $RCSfile: CADRGLoader.java,v $
// $Revision: 1.1.2.3 $
// $Date: 2005/08/11 21:03:19 $
// $Author: dietrick $
//
// **********************************************************************
package com.bbn.openmap.proj;
import com.bbn.openmap.LatLonPoint;
import com.bbn.openmap.util.PropUtils;
import com.bbn.openmap.util.Debug;
import java.util.Properties;
/**
* ProjectionLoader to add the CADRG projection to an OpenMap
* application.
*
* @see BasicProjectionLoader
*/
public class CADRGLoader extends BasicProjectionLoader implements
ProjectionLoader {
public CADRGLoader() {
super(CADRG.class,
CADRG.CADRGName,
"Equal-Arc projection for displaying RPF data (CADRG and CIB).");
}
/**
* Create the projection with the given parameters.
*
* @throws exception if a parameter is missing or invalid.
*/
public Projection create(Properties props) throws ProjectionException {
try {
LatLonPoint llp = (LatLonPoint) props.get(ProjectionFactory.CENTER);
float scale = PropUtils.floatFromProperties(props,
ProjectionFactory.SCALE,
10000000);
int height = PropUtils.intFromProperties(props,
ProjectionFactory.HEIGHT,
100);
int width = PropUtils.intFromProperties(props,
ProjectionFactory.WIDTH,
100);
return new CADRG(llp, scale, width, height);
} catch (Exception e) {
if (Debug.debugging("proj")) {
Debug.output("CADRGLoader: problem creating CADRG projection "
+ e.getMessage());
}
}
throw new ProjectionException("CADRGLoader: problem creating CADRG projection");
}
}