Revision 2669 branches/CqCMSDvp/libraries/libCq CMS for java.old/src/org/cresques/geo/Projection.java
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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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* 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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* 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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* |
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* cresques@gmail.com |
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*/ |
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package org.cresques.geo; |
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import org.cresques.cts.IDatum; |
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import org.cresques.cts.IProjection; |
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import java.awt.Color; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Point2D; |
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import org.cresques.cts.IDatum; |
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import org.cresques.cts.IProjection; |
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abstract public class Projection implements IProjection {
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public static int NORTH = 0; |
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public static int SOUTH = 1; |
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static String name = "Sin Proyeccion"; |
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static String abrev = "None"; |
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private static final Color basicGridColor = new Color(64,64,64,128); |
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Color gridColor = basicGridColor; |
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Ellipsoid eli = Ellipsoid.hayford; |
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Graticule grid; |
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public Projection() {
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eli = Ellipsoid.hayford; |
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} |
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public Projection(Ellipsoid e) {
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eli = e; |
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} |
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public String getName() { return name; }
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abstract public String getAbrev(); |
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public IDatum getDatum() { return eli; }
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public double [] getElliPar() { return eli.getParam(); }
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abstract public Point2D createPoint(double x, double y); |
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public Point2D createPoint(Point2D pt) {
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return createPoint(pt.getX(), pt.getY()); |
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} |
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public static IProjection getProjectionByName(IDatum eli, String name) {
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if (name.indexOf("UTM") >= 0)
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return UtmZone.getProjectionByName(eli, name); |
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if (name.indexOf("GEO") >= 0)
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return Geodetic.getProjectionByName(eli, name); |
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if (name.indexOf("MERC") >= 0)
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return Mercator.getProjectionByName(eli, name); |
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return null; |
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} |
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public ReProjection getReproyectionTo(Projection proj) {
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ReProjection rp = new ReProjection(this, proj); |
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return rp; |
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} |
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abstract public Point2D toGeo(Point2D pt); |
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abstract public Point2D fromGeo(Point2D gPt, Point2D mPt); |
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public void setGridColor(Color c) { gridColor = c;}
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public Color getGridColor() { return gridColor; }
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public static String coordToString(double coord, String fmt, boolean isLat) {
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String txt = fmt; |
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int donde; |
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donde = txt.indexOf("%G");
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if (donde >= 0) {
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int deg = (int) coord; |
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if (fmt.indexOf("%N") >= 0 && deg < 0) deg = -deg;
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txt = txt.substring(0, donde)+Integer.toString(deg)+txt.substring(donde+2); |
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} |
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donde = txt.indexOf("%M");
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if (donde >= 0) {
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int min = (int) ((coord - (int)coord)*60.0) % 60; |
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if (fmt.indexOf("%N") >= 0 && min < 0) min = -min;
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txt = txt.substring(0, donde)+Integer.toString(min)+txt.substring(donde+2);; |
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} |
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donde = txt.indexOf("%N");
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if (donde >= 0) {
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String t = ""; |
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if (isLat) {
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if (coord > 0) t = "N"; |
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else if (coord < 0) t = "S"; |
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} else {
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if (coord > 0) t = "E"; |
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else if (coord < 0) t = "W"; |
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} |
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txt = txt.substring(0, donde)+t+txt.substring(donde+2);; |
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} |
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return txt; |
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} |
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abstract public void drawGrid(Graphics2D g, ViewPortData vp); |
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public static int NORTH = 0; |
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public static int SOUTH = 1; |
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static String name = "Sin Proyeccion"; |
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static String abrev = "None"; |
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private static final Color basicGridColor = new Color(64, 64, 64, 128); |
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Color gridColor = basicGridColor; |
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Ellipsoid eli = Ellipsoid.hayford; |
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Graticule grid; |
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public Projection() {
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eli = Ellipsoid.hayford; |
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} |
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public Projection(Ellipsoid e) {
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eli = e; |
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} |
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public String getName() {
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return name; |
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} |
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abstract public String getAbrev(); |
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public IDatum getDatum() {
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return eli; |
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} |
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public double[] getElliPar() {
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return eli.getParam(); |
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} |
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abstract public Point2D createPoint(double x, double y); |
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public Point2D createPoint(Point2D pt) {
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return createPoint(pt.getX(), pt.getY()); |
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} |
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public static IProjection getProjectionByName(IDatum eli, String name) {
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if (name.indexOf("UTM") >= 0) {
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return UtmZone.getProjectionByName(eli, name); |
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} |
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if (name.indexOf("GEO") >= 0) {
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return Geodetic.getProjectionByName(eli, name); |
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} |
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if (name.indexOf("MERC") >= 0) {
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return Mercator.getProjectionByName(eli, name); |
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} |
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return null; |
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} |
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public ReProjection getReproyectionTo(Projection proj) {
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ReProjection rp = new ReProjection(this, proj); |
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return rp; |
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} |
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abstract public Point2D toGeo(Point2D pt); |
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abstract public Point2D fromGeo(Point2D gPt, Point2D mPt); |
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public void setGridColor(Color c) {
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gridColor = c; |
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} |
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public Color getGridColor() {
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return gridColor; |
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} |
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public static String coordToString(double coord, String fmt, boolean isLat) {
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String txt = fmt; |
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int donde; |
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donde = txt.indexOf("%G");
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if (donde >= 0) {
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int deg = (int) coord; |
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if ((fmt.indexOf("%N") >= 0) && (deg < 0)) {
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deg = -deg; |
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} |
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txt = txt.substring(0, donde) + Integer.toString(deg) + |
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txt.substring(donde + 2); |
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} |
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donde = txt.indexOf("%M");
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if (donde >= 0) {
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int min = (int) ((coord - (int) coord) * 60.0) % 60; |
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if ((fmt.indexOf("%N") >= 0) && (min < 0)) {
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min = -min; |
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} |
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txt = txt.substring(0, donde) + Integer.toString(min) + |
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txt.substring(donde + 2); |
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; |
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} |
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donde = txt.indexOf("%N");
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if (donde >= 0) {
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String t = ""; |
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if (isLat) {
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if (coord > 0) {
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t = "N"; |
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} else if (coord < 0) {
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t = "S"; |
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} |
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} else {
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if (coord > 0) {
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t = "E"; |
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} else if (coord < 0) {
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t = "W"; |
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} |
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} |
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txt = txt.substring(0, donde) + t + txt.substring(donde + 2); |
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; |
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} |
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return txt; |
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} |
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abstract public void drawGrid(Graphics2D g, ViewPortData vp); |
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} |
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