svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / geo / ReProjection.java @ 2312
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* cresques@gmail.com
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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 java.awt.geom.Rectangle2D; |
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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 = (GeoPoint) ((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 = (GeoPoint) ((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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/* (non-Javadoc)
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* @see org.cresques.cts.ICoordTrans#convert(java.awt.geom.Rectangle2D)
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*/
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public Rectangle2D convert(Rectangle2D rect) { |
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Point2D pt1 = new Point2D.Double(rect.getMinX(), rect.getMinY()); |
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Point2D pt2 = new Point2D.Double(rect.getMaxX(), rect.getMaxY()); |
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pt1 = convert(pt1, null);
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pt2 = convert(pt2, null);
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rect = new Rectangle2D.Double(); |
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rect.setFrameFromDiagonal(pt1, pt2); |
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return rect;
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} |
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} |