makeprojection.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

// **********************************************************************
// 
// <copyright>
// 
//  BBN Technologies
//  10 Moulton Street
//  Cambridge, MA 02138
//  [phone]
// 
//  Copyright (C) BBNT Solutions LLC. All rights reserved.
// 
// </copyright>
// **********************************************************************
// 
// $Source:
// /cvs/distapps/openmap/src/corba/com/bbn/openmap/layer/specialist/MakeProjection.java,v
// $
// $RCSfile: MakeProjection.java,v $
// $Revision: 1.2.2.1 $
// $Date: 2004/10/14 18:26:31 $
// $Author: dietrick $
// 
// **********************************************************************

package com.bbn.openmap.layer.specialist;

import com.bbn.openmap.LatLonPoint;
import com.bbn.openmap.proj.*;

public class MakeProjection {
    Projection p;

    public MakeProjection(com.bbn.openmap.CSpecialist.CProjection mp) {
        LatLonPoint center = new LatLonPoint(mp.center.lat, mp.center.lon);

        switch (mp.kind) {
        case Mercator.MercatorType:
            p = new Mercator(center, mp.scale, mp.width, mp.height);
            break;
        case CADRG.CADRGType:
            p = new CADRG(center, mp.scale, mp.width, mp.height);
            break;
        case Orthographic.OrthographicType:
            p = new Orthographic(center, mp.scale, mp.width, mp.height);
            break;
        //      case MassStatePlane.MassStatePlaneType:
        //        p = new MassStatePlane(center, mp.scale, mp.width,
        // mp.height);
        //        break;
        default:
            p = new Mercator(center, mp.scale, mp.width, mp.height);
        }
    }

    public Projection getProj() {
        return p;
    }
}