svn-gvsig-desktop / trunk / libraries / libCq CMS for java.old / src / org / cresques / geo / ReProjection.java @ 101
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/*
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* Created on 27-abr-2004
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*/
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package org.cresques.geo; |
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import java.awt.geom.Point2D; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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/**
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* Transformada para cambios de proyecci?n
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*
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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*/
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public class ReProjection implements ICoordTrans { |
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Projection pOrig, pDest; |
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public ReProjection(Projection pOrig, Projection pDest) {
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this.pOrig = pOrig;
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this.pDest = pDest;
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} |
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public ICoordTrans getInverted() {
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return new ReProjection(pDest, pOrig); |
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} |
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public IProjection getPOrig() { return pOrig; } |
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public IProjection getPDest() { return pDest; } |
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public Point2D convert(Point2D ptOrig, Point2D ptDest) { |
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if (pOrig.getClass() == UtmZone.class) {
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GeoPoint pt1 = null;
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pt1 = ((UtmZone) pOrig).toGeo((UtmPoint) ptOrig); |
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if (pDest.getClass() == UtmZone.class) {
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((UtmZone) pDest).fromGeo(pt1, (UtmPoint) ptDest, (UtmZone) pDest); |
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} else if (pDest.getClass() == Geodetic.class) { |
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ptDest.setLocation(pt1.getX(), pt1.getY()); |
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((GeoPoint) ptDest).proj = pt1.proj; |
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} else if (pDest.getClass() == Mercator.class) { |
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((Mercator) pDest).fromGeo(pt1, (ProjPoint) ptDest); |
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} |
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} else if (pOrig.getClass() == Geodetic.class) { |
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if (pDest.getClass() == UtmZone.class) {
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((UtmZone) pDest).fromGeo((GeoPoint) ptOrig, (UtmPoint) ptDest, (UtmZone) pDest); |
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} else if (pDest.getClass() == Mercator.class) { |
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((Mercator) pDest).fromGeo((GeoPoint) ptOrig, (ProjPoint) ptDest); |
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} |
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} else if (pOrig.getClass() == Mercator.class) { |
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GeoPoint pt1 = null;
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pt1 = ((Mercator) pOrig).toGeo((ProjPoint) ptOrig); |
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if (pDest.getClass() == UtmZone.class) {
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((UtmZone) pDest).fromGeo(pt1, (UtmPoint) ptDest, (UtmZone) pDest); |
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} else if (pDest.getClass() == Geodetic.class) { |
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ptDest.setLocation(pt1.getX(), pt1.getY()); |
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((ProjPoint) ptDest).proj = pt1.proj; |
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} |
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} |
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return ptDest;
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} |
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} |