svn-gvsig-desktop / branches / libProjection_v2_0_prep / libraries / libProjection / src / org / cresques / impl / geo / ReProjection.java @ 27135
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| 1 | 27135 | cmartinez | /*
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| 2 | * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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| 3 | *
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| 4 | * Copyright (C) 2004-5.
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public License
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| 8 | * as published by the Free Software Foundation; either version 2
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| 9 | * of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 19 | *
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| 20 | * For more information, contact:
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| 21 | *
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| 22 | * cresques@gmail.com
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| 23 | */
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| 24 | package org.cresques.impl.geo; |
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| 25 | |||
| 26 | import java.awt.geom.Point2D; |
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| 27 | import java.awt.geom.Rectangle2D; |
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| 28 | |||
| 29 | import org.cresques.cts.ICoordTrans; |
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| 30 | import org.cresques.cts.IProjection; |
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| 31 | |||
| 32 | |||
| 33 | /**
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| 34 | * Transformada para cambios de proyecci?n
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| 35 | *
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| 36 | * @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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| 37 | */
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| 38 | public class ReProjection implements ICoordTrans { |
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| 39 | Projection pOrig; |
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| 40 | Projection pDest; |
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| 41 | |||
| 42 | public ReProjection(Projection pOrig, Projection pDest) {
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| 43 | this.pOrig = pOrig;
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| 44 | this.pDest = pDest;
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| 45 | } |
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| 46 | |||
| 47 | public ICoordTrans getInverted() {
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| 48 | return new ReProjection(pDest, pOrig); |
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| 49 | } |
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| 50 | |||
| 51 | public IProjection getPOrig() {
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| 52 | return pOrig;
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| 53 | } |
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| 54 | |||
| 55 | public IProjection getPDest() {
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| 56 | return pDest;
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| 57 | } |
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| 58 | |||
| 59 | public Point2D convert(Point2D ptOrig, Point2D ptDest) { |
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| 60 | if (pOrig.getClass() == UtmZone.class) {
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| 61 | GeoPoint pt1 = null;
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| 62 | pt1 = (GeoPoint) ((UtmZone) pOrig).toGeo(ptOrig); |
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| 63 | |||
| 64 | if (pDest.getClass() == UtmZone.class) {
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| 65 | ((UtmZone) pDest).fromGeo(pt1, (UtmPoint) ptDest, |
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| 66 | (UtmZone) pDest); |
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| 67 | } else if (pDest.getClass() == Geodetic.class) { |
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| 68 | ptDest.setLocation(pt1.getX(), pt1.getY()); |
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| 69 | ((GeoPoint) ptDest).proj = pt1.proj; |
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| 70 | } else if (pDest.getClass() == Mercator.class) { |
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| 71 | ((Mercator) pDest).fromGeo(pt1, (ProjPoint) ptDest); |
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| 72 | } |
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| 73 | } else if (pOrig.getClass() == Geodetic.class) { |
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| 74 | if (pDest.getClass() == UtmZone.class) {
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| 75 | ((UtmZone) pDest).fromGeo((GeoPoint) ptOrig, (UtmPoint) ptDest, |
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| 76 | (UtmZone) pDest); |
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| 77 | } else if (pDest.getClass() == Mercator.class) { |
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| 78 | ((Mercator) pDest).fromGeo((GeoPoint) ptOrig, (ProjPoint) ptDest); |
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| 79 | } |
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| 80 | } else if (pOrig.getClass() == Mercator.class) { |
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| 81 | GeoPoint pt1 = null;
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| 82 | pt1 = (GeoPoint) ((Mercator) pOrig).toGeo((ProjPoint) ptOrig); |
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| 83 | |||
| 84 | if (pDest.getClass() == UtmZone.class) {
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| 85 | ((UtmZone) pDest).fromGeo(pt1, (UtmPoint) ptDest, |
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| 86 | (UtmZone) pDest); |
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| 87 | } else if (pDest.getClass() == Geodetic.class) { |
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| 88 | ptDest.setLocation(pt1.getX(), pt1.getY()); |
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| 89 | ((ProjPoint) ptDest).proj = pt1.proj; |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | return ptDest;
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| 94 | } |
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| 95 | |||
| 96 | /* (non-Javadoc)
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| 97 | * @see org.cresques.cts.ICoordTrans#convert(java.awt.geom.Rectangle2D)
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| 98 | */
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| 99 | public Rectangle2D convert(Rectangle2D rect) { |
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| 100 | Point2D pt1 = new Point2D.Double(rect.getMinX(), rect.getMinY()); |
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| 101 | Point2D pt2 = new Point2D.Double(rect.getMaxX(), rect.getMaxY()); |
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| 102 | pt1 = convert(pt1, null);
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| 103 | pt2 = convert(pt2, null);
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| 104 | rect = new Rectangle2D.Double(); |
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| 105 | rect.setFrameFromDiagonal(pt1, pt2); |
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| 106 | |||
| 107 | return rect;
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| 108 | } |
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| 109 | } |