Revision 2669 branches/CqCMSDvp/libraries/libCq CMS for java.old/src/org/cresques/cts/gt2/CoordSys.java
| CoordSys.java | ||
|---|---|---|
| 1 | 1 |
/* |
| 2 | 2 |
* Cresques Mapping Suite. Graphic Library for constructing mapping applications. |
| 3 |
* |
|
| 4 |
* Copyright (C) 2004-5. |
|
| 5 | 3 |
* |
| 4 |
* Copyright (C) 2004-5. |
|
| 5 |
* |
|
| 6 | 6 |
* This program is free software; you can redistribute it and/or |
| 7 | 7 |
* modify it under the terms of the GNU General Public License |
| 8 | 8 |
* as published by the Free Software Foundation; either version 2 |
| ... | ... | |
| 18 | 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
| 19 | 19 |
* |
| 20 | 20 |
* For more information, contact: |
| 21 |
*
|
|
| 21 |
* |
|
| 22 | 22 |
* cresques@gmail.com |
| 23 | 23 |
*/ |
| 24 | 24 |
package org.cresques.cts.gt2; |
| 25 | 25 |
|
| 26 |
import java.awt.Color; |
|
| 27 |
import java.awt.Graphics2D; |
|
| 28 |
import java.awt.geom.Point2D; |
|
| 29 |
|
|
| 30 | 26 |
import org.cresques.cts.IDatum; |
| 31 | 27 |
import org.cresques.cts.IProjection; |
| 28 |
|
|
| 32 | 29 |
import org.cresques.geo.ViewPortData; |
| 30 |
|
|
| 33 | 31 |
import org.geotools.cs.CoordinateSystem; |
| 34 | 32 |
import org.geotools.cs.CoordinateSystemFactory; |
| 35 | 33 |
import org.geotools.cs.GeographicCoordinateSystem; |
| 36 | 34 |
import org.geotools.cs.ProjectedCoordinateSystem; |
| 37 | 35 |
|
| 36 |
import java.awt.Color; |
|
| 37 |
import java.awt.Graphics2D; |
|
| 38 |
import java.awt.geom.Point2D; |
|
| 39 |
|
|
| 40 |
|
|
| 38 | 41 |
/** |
| 39 | 42 |
* Sistema de Coordenadas (Proyecci?n). |
| 40 | 43 |
* @author "Luis W. Sevilla" <sevilla_lui@gva.es> |
| 41 | 44 |
*/ |
| 42 | 45 |
public class CoordSys implements IProjection {
|
| 43 |
protected CoordinateSystemFactory csFactory = CoordinateSystemFactory.getDefault(); |
|
| 46 |
private static final Color basicGridColor = new Color(64, 64, 64, 128); |
|
| 47 |
protected CoordinateSystemFactory csFactory = CoordinateSystemFactory.getDefault(); |
|
| 48 |
protected CSDatum datum = null; |
|
| 49 |
protected GeographicCoordinateSystem geogCS = null; |
|
| 50 |
protected ProjectedCoordinateSystem projCS = null; |
|
| 51 |
protected String abrev = ""; |
|
| 52 |
Color gridColor = basicGridColor; |
|
| 44 | 53 |
|
| 45 |
protected CSDatum datum = null; |
|
| 46 |
protected GeographicCoordinateSystem geogCS = null; |
|
| 47 |
protected ProjectedCoordinateSystem projCS = null; |
|
| 48 |
protected String abrev = ""; |
|
| 49 |
|
|
| 50 |
private static final Color basicGridColor = new Color(64,64,64,128); |
|
| 51 |
Color gridColor = basicGridColor; |
|
| 54 |
public CoordSys(CSDatum datum) {
|
|
| 55 |
this.datum = datum; |
|
| 56 |
} |
|
| 52 | 57 |
|
| 53 |
public CoordSys(CSDatum datum) {
|
|
| 54 |
this.datum = datum; |
|
| 55 |
} |
|
| 56 |
|
|
| 57 |
/** |
|
| 58 |
* Crea un nuevo CoordSys geogr?fico a partir de uno proyectado. |
|
| 59 |
* Si el actual es geogr?fico retorna el mismo. |
|
| 60 |
* @return |
|
| 61 |
*/ |
|
| 62 |
|
|
| 63 |
public CoordSys toGeo() {
|
|
| 64 |
CoordSys coordSys = new CoordSys((CSDatum)getDatum()); |
|
| 65 |
if (geogCS != null) |
|
| 66 |
coordSys.geogCS = this.geogCS; |
|
| 67 |
else |
|
| 68 |
coordSys.geogCS = projCS.getGeographicCoordinateSystem(); |
|
| 69 |
|
|
| 70 |
return coordSys; |
|
| 71 |
} |
|
| 72 |
|
|
| 73 |
public IDatum getDatum() {
|
|
| 74 |
return datum; |
|
| 75 |
} |
|
| 76 |
|
|
| 77 |
public CoordinateSystem getCS() {
|
|
| 78 |
if (projCS != null) return projCS; |
|
| 79 |
return geogCS; |
|
| 80 |
} |
|
| 58 |
/** |
|
| 59 |
* Crea un nuevo CoordSys geogr?fico a partir de uno proyectado. |
|
| 60 |
* Si el actual es geogr?fico retorna el mismo. |
|
| 61 |
* @return |
|
| 62 |
*/ |
|
| 63 |
public CoordSys toGeo() {
|
|
| 64 |
CoordSys coordSys = new CoordSys((CSDatum) getDatum()); |
|
| 81 | 65 |
|
| 82 |
public CoordinateSystem getGeogCS() {
|
|
| 83 |
if (geogCS != null) return geogCS; |
|
| 84 |
return projCS.getGeographicCoordinateSystem(); |
|
| 85 |
} |
|
| 86 |
|
|
| 87 |
/* (no Javadoc) |
|
| 88 |
* @see org.cresques.cts.IProjection#createPoint(double, double) |
|
| 89 |
*/ |
|
| 90 |
public Point2D createPoint(double x, double y) {
|
|
| 91 |
return new Point2D.Double(x,y); |
|
| 92 |
} |
|
| 93 |
|
|
| 94 |
|
|
| 95 |
public String toString() {
|
|
| 96 |
if (projCS != null) return projCS.toString(); |
|
| 97 |
return geogCS.toString(); |
|
| 98 |
} |
|
| 66 |
if (geogCS != null) {
|
|
| 67 |
coordSys.geogCS = this.geogCS; |
|
| 68 |
} else {
|
|
| 69 |
coordSys.geogCS = projCS.getGeographicCoordinateSystem(); |
|
| 70 |
} |
|
| 99 | 71 |
|
| 100 |
public void setAbrev(String abrev) { this.abrev = abrev; }
|
|
| 101 |
public String getAbrev() { return abrev; }
|
|
| 72 |
return coordSys;
|
|
| 73 |
}
|
|
| 102 | 74 |
|
| 103 |
/* (no Javadoc) |
|
| 104 |
* @see org.cresques.cts.IProjection#drawGrid(java.awt.Graphics2D, org.cresques.geo.ViewPortData) |
|
| 105 |
*/ |
|
| 106 |
public void drawGrid(Graphics2D g, ViewPortData vp) {
|
|
| 107 |
// TODO Ap?ndice de m?todo generado autom?ticamente |
|
| 108 |
|
|
| 109 |
} |
|
| 110 |
|
|
| 111 |
public void setGridColor(Color c) { gridColor = c;}
|
|
| 112 |
public Color getGridColor() { return gridColor; }
|
|
| 75 |
public IDatum getDatum() {
|
|
| 76 |
return datum; |
|
| 77 |
} |
|
| 113 | 78 |
|
| 114 |
/* (no Javadoc) |
|
| 115 |
* @see org.cresques.cts.IProjection#toGeo(java.awt.geom.Point2D) |
|
| 116 |
*/ |
|
| 117 |
public Point2D toGeo(Point2D pt) {
|
|
| 118 |
if (getGeogCS() == geogCS) return pt; |
|
| 119 |
else {
|
|
| 120 |
CoordTrans ct = new CoordTrans(this, toGeo()); |
|
| 121 |
return ct.convert(pt, null); |
|
| 122 |
} |
|
| 123 |
} |
|
| 79 |
public CoordinateSystem getCS() {
|
|
| 80 |
if (projCS != null) {
|
|
| 81 |
return projCS; |
|
| 82 |
} |
|
| 124 | 83 |
|
| 125 |
/* (no Javadoc) |
|
| 126 |
* @see org.cresques.cts.IProjection#fromGeo(java.awt.geom.Point2D, java.awt.geom.Point2D) |
|
| 127 |
*/ |
|
| 128 |
public Point2D fromGeo(Point2D gPt, Point2D mPt) {
|
|
| 129 |
// TODO Ap?ndice de m?todo generado autom?ticamente |
|
| 130 |
return null; |
|
| 131 |
} |
|
| 132 |
|
|
| 133 |
public double getScale(double minX, double maxX, double w, double dpi) {
|
|
| 134 |
double scale = 0D; |
|
| 135 |
if (projCS == null) { // Es geogr?fico; calcula la escala.
|
|
| 136 |
scale = (maxX - minX)* // grados |
|
| 137 |
// 1852.0 metros x minuto de meridiano |
|
| 138 |
(dpi / 2.54 * 100.0 * 1852.0 * 60.0)/ // px / metro |
|
| 139 |
w; // pixels |
|
| 140 |
} |
|
| 141 |
return scale; |
|
| 142 |
} |
|
| 84 |
return geogCS; |
|
| 85 |
} |
|
| 143 | 86 |
|
| 87 |
public CoordinateSystem getGeogCS() {
|
|
| 88 |
if (geogCS != null) {
|
|
| 89 |
return geogCS; |
|
| 90 |
} |
|
| 144 | 91 |
|
| 92 |
return projCS.getGeographicCoordinateSystem(); |
|
| 93 |
} |
|
| 94 |
|
|
| 95 |
/* (no Javadoc) |
|
| 96 |
* @see org.cresques.cts.IProjection#createPoint(double, double) |
|
| 97 |
*/ |
|
| 98 |
public Point2D createPoint(double x, double y) {
|
|
| 99 |
return new Point2D.Double(x, y); |
|
| 100 |
} |
|
| 101 |
|
|
| 102 |
public String toString() {
|
|
| 103 |
if (projCS != null) {
|
|
| 104 |
return projCS.toString(); |
|
| 105 |
} |
|
| 106 |
|
|
| 107 |
return geogCS.toString(); |
|
| 108 |
} |
|
| 109 |
|
|
| 110 |
public void setAbrev(String abrev) {
|
|
| 111 |
this.abrev = abrev; |
|
| 112 |
} |
|
| 113 |
|
|
| 114 |
public String getAbrev() {
|
|
| 115 |
return abrev; |
|
| 116 |
} |
|
| 117 |
|
|
| 118 |
/* (no Javadoc) |
|
| 119 |
* @see org.cresques.cts.IProjection#drawGrid(java.awt.Graphics2D, org.cresques.geo.ViewPortData) |
|
| 120 |
*/ |
|
| 121 |
public void drawGrid(Graphics2D g, ViewPortData vp) {
|
|
| 122 |
// TODO Ap?ndice de m?todo generado autom?ticamente |
|
| 123 |
} |
|
| 124 |
|
|
| 125 |
public void setGridColor(Color c) {
|
|
| 126 |
gridColor = c; |
|
| 127 |
} |
|
| 128 |
|
|
| 129 |
public Color getGridColor() {
|
|
| 130 |
return gridColor; |
|
| 131 |
} |
|
| 132 |
|
|
| 133 |
/* (no Javadoc) |
|
| 134 |
* @see org.cresques.cts.IProjection#toGeo(java.awt.geom.Point2D) |
|
| 135 |
*/ |
|
| 136 |
public Point2D toGeo(Point2D pt) {
|
|
| 137 |
if (getGeogCS() == geogCS) {
|
|
| 138 |
return pt; |
|
| 139 |
} else {
|
|
| 140 |
CoordTrans ct = new CoordTrans(this, toGeo()); |
|
| 141 |
|
|
| 142 |
return ct.convert(pt, null); |
|
| 143 |
} |
|
| 144 |
} |
|
| 145 |
|
|
| 146 |
/* (no Javadoc) |
|
| 147 |
* @see org.cresques.cts.IProjection#fromGeo(java.awt.geom.Point2D, java.awt.geom.Point2D) |
|
| 148 |
*/ |
|
| 149 |
public Point2D fromGeo(Point2D gPt, Point2D mPt) {
|
|
| 150 |
// TODO Ap?ndice de m?todo generado autom?ticamente |
|
| 151 |
return null; |
|
| 152 |
} |
|
| 153 |
|
|
| 154 |
public double getScale(double minX, double maxX, double w, double dpi) {
|
|
| 155 |
double scale = 0D; |
|
| 156 |
|
|
| 157 |
if (projCS == null) { // Es geogr?fico; calcula la escala.
|
|
| 158 |
scale = ((maxX - minX) * // grados |
|
| 159 |
|
|
| 160 |
// 1852.0 metros x minuto de meridiano |
|
| 161 |
(dpi / 2.54 * 100.0 * 1852.0 * 60.0)) / // px / metro |
|
| 162 |
w; // pixels |
|
| 163 |
} |
|
| 164 |
|
|
| 165 |
return scale; |
|
| 166 |
} |
|
| 145 | 167 |
} |
Also available in: Unified diff