svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.projection / org.gvsig.projection.cresques / org.gvsig.projection.cresques.impl / src / main / java / org / cresques / impl / cts / wkt / WKT.java @ 40559
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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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 3
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.cresques.impl.cts.wkt; |
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import java.util.ArrayList; |
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/**
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* Generates a WKT from CRS parameters.
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* as, for example in
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* "GEOGCS[\"ETRS89\","+
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"DATUM[\"European_Terrestrial_Reference_System_1989\","+
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"SPHEROID[\"GRS 1980\",6378137,298.257222101,"+
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"AUTHORITY[\"EPSG\",\"7019\"]],"+
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"AUTHORITY[\"EPSG\",\"6258\"]," +
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"TOWGS84[0,0,0,0,0,0,0]],"+
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"PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"+
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"UNIT[\"degree\",0.01745329251994328, AUTHORITY[\"EPSG\",\"9122\"]],"+
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"AUTHORITY[\"EPSG\",\"4258\"]]";
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* @author Luis W. Sevilla <sevilla_lui@gva.es>
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*
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*/
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public abstract class WKT { |
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static class Authority { |
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String name;
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String code;
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public Authority(String n, String c) { |
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name = n; |
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code = c; |
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} |
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public String toWKT() { |
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return "AUTHORITY[\""+name+"\",\""+code+"\"]"; |
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} |
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} |
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static class Parameter { |
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protected String name; |
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private String value; |
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protected Authority authority; // optional |
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public Parameter(String n) { |
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name = n; |
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} |
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public Parameter(String n, String v) { |
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name = n; |
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value = v; |
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} |
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public Parameter(String n, Authority a) { |
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name = n; |
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authority = a; |
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} |
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public String toWKT() { |
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String txt = "PARAMETER[\""+name+"\","+value; |
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if (authority != null) |
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txt += ","+authority.toWKT();
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return txt + "]"; |
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} |
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} |
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static class Spheroid { |
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String name;
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double semiMajor;
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double inverseFlattening;
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Authority authority = null; // optional |
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public Spheroid(String n, double s, double f) { |
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name = n; |
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semiMajor = s; |
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inverseFlattening = f; |
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} |
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public Spheroid(String n, double s, double f, Authority a) { |
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name = n; |
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semiMajor = s; |
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inverseFlattening = f; |
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authority = a; |
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} |
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public String toWKT() { |
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String txt = "SPHEROID[\""+name+"\","+ |
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semiMajor+","+inverseFlattening;
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if (authority != null) |
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txt += ","+authority.toWKT();
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return txt + "]"; |
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} |
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} |
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static class ToWGS84 { |
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double dx = 0; |
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double dy = 0; |
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double dz = 0; |
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double ex = 0; |
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double ey = 0; |
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double ez = 0; |
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double ppm = 0; |
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public ToWGS84() {
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} |
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public ToWGS84(double dx, double dy, double dz, double ex, double ey, double ez, double ppm) { |
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this.dx = dx;
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this.dy = dy;
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this.dz = dz;
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this.ex = ex;
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this.ey = ey;
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this.ez = ez;
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this.ppm = ppm;
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} |
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public String toWKT() { |
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return "TOWGS84["+dx+","+dy+","+dz+","+ex+","+ey+","+ez+","+ppm+"]"; |
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} |
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} |
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static class Datum { |
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String name;
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Spheroid spheroid; |
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ToWGS84 towgs84 = new ToWGS84(); // optional |
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Authority authority; // optional
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public Datum(String n, Spheroid s) { |
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init (n, s, new ToWGS84(), null); |
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} |
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public Datum(String n, Spheroid s, ToWGS84 t) { |
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init (n, s, t, null);
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} |
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public Datum(String n, Spheroid s, Authority a) { |
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init (n, s, new ToWGS84(), a);
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} |
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public Datum(String n, Spheroid s, ToWGS84 t, Authority a) { |
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init (n, s, t, a); |
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} |
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private void init(String n, Spheroid s, |
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ToWGS84 t, Authority a) {
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name = n; |
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spheroid = s; |
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towgs84 = t; |
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authority = a; |
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} |
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public String toWKT() { |
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String txt = "DATUM[\""+name+"\","+spheroid.toWKT(); |
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if (towgs84 != null) |
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txt += ","+towgs84.toWKT();
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if (authority != null) |
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txt += ","+authority.toWKT();
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return txt+"]"; |
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} |
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} |
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static class PrimeM { |
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String name;
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double longitude;
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Authority authority = null; // optional |
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public PrimeM(String n, double l) { |
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name = n; |
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longitude = l; |
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} |
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public PrimeM(String n, double l, Authority a) { |
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name = n; |
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longitude = l; |
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authority = a; |
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} |
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public String toWKT() { |
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String txt = "PRIMEM[\""+name+"\","+longitude; |
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if (authority != null) |
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txt += ","+authority.toWKT();
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return txt + "]"; |
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} |
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} |
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static class Unit { |
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String name;
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double conversionFactor;
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Authority authority; // optional
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public Unit(String n, double l) { |
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name = n; |
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conversionFactor = l; |
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} |
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public Unit(String n, double l, Authority a) { |
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name = n; |
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conversionFactor = l; |
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authority = a; |
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} |
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public String toWKT() { |
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String txt = "UNIT[\""+name+"\","+conversionFactor; |
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if (authority != null) |
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txt += ","+authority.toWKT();
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return txt + "]"; |
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} |
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} |
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static class Orientation { |
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public final static int NORTH = 0; |
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public final static int SOUTH = 1; |
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public final static int EAST = 2; |
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public final static int WEST = 3; |
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public final static int UP = 4; |
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public final static int DOWN = 5; |
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public final static int OTHER = 6; |
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protected final String [] txt = { |
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"NORTH","SOUTH","EAST","WEST","UP","DOWN","OTHER" |
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}; |
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protected int to = -1; |
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public Orientation(int to) { |
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this.to = to;
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} |
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} |
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static class Axis extends Orientation { |
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String name;
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public Axis(String name, int to) { |
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super(to);
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this.name = name;
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} |
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public String toWKT() { |
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return "AXIS[\""+name+"\","+txt[to]+ "]"; |
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} |
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} |
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static class TwinAxes { |
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Axis axe1; |
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Axis axe2; |
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public TwinAxes(Axis a1, Axis a2) {
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axe1 = a1; |
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axe2 = a2; |
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} |
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public String toWKT() { |
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return axe1.toWKT()+","+axe2.toWKT(); |
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} |
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} |
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static class GeogCS extends WKT { |
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String name;
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Datum datum; |
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PrimeM primeMeridian; |
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Unit unit; |
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TwinAxes axes = null; // optional |
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Authority authority = null; // optional |
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public GeogCS(String n, Datum d, PrimeM p, Unit u) { |
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init(n, d, p, u, null, null); |
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} |
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public GeogCS(String n, Datum d, PrimeM p, Unit u, |
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Authority a) {
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init(n, d, p, u, null, a);
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} |
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public GeogCS(String n, Datum d, PrimeM p, Unit u, |
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TwinAxes t) {
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init(n, d, p, u, t, null);
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} |
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public GeogCS(String n, Datum d, PrimeM p, Unit u, |
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TwinAxes t, Authority a) {
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init(n, d, p, u, t, a); |
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} |
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private void init(String n, Datum d, PrimeM p, Unit u, |
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TwinAxes t, Authority a) {
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name = n; |
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datum = d; |
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primeMeridian = p; |
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unit = u; |
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axes = t; |
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authority = a; |
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} |
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public String toWKT() { |
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String txt = "GEOGCS[\""+name+"\","+datum.toWKT()+ |
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","+primeMeridian.toWKT()+","+unit.toWKT(); |
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if (axes != null) |
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txt += ","+axes.toWKT();
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if (authority != null) |
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txt += ","+authority.toWKT();
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return txt+"]"; |
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} |
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} |
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static class Projection extends Parameter { |
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public Projection(String n) { |
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super(n);
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} |
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public Projection(String n, Authority a) { |
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super(n,a);
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} |
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public String toWKT() { |
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String txt = "PROJECTION[\""+name+"\""; |
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if (authority != null) |
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txt += ","+authority.toWKT();
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return txt + "]"; |
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} |
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} |
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static class ProjCS extends Parameter { |
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GeogCS geogcs; |
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Projection proj; |
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ArrayList params = new ArrayList(); |
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Unit unit; |
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TwinAxes axes = null; // optional |
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public ProjCS(String n, GeogCS cs, Projection prj, Unit u ) { |
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super(n);
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Parameter [] p = {};
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init(n, cs, prj, p, u, null);
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} |
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public ProjCS(String n, GeogCS cs, Projection prj, |
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Parameter [] p, Unit u ) {
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super(n);
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init(n, cs, prj, p, u, null);
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} |
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public ProjCS(String n, GeogCS cs, Projection prj, |
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Unit u, TwinAxes t, Authority a ) {
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super(n, a);
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Parameter [] p = {};
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init(n, cs, prj, p, u, t); |
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} |
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public ProjCS(String n, GeogCS cs, Projection prj, |
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Parameter [] p, Unit u, TwinAxes t, Authority a ) {
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super(n, a);
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init(n, cs, prj, p, u, t); |
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} |
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private void init(String n, GeogCS cs, Projection prj, |
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Parameter [] p, Unit u, TwinAxes t) {
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geogcs = cs; |
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proj = prj; |
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for (int i=0; i<p.length; i++) |
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params.add(p[i]); |
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unit = u; |
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axes = t; |
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} |
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public void add(Parameter p) { |
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params.add(p); |
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} |
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public String toWKT() { |
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String txt = "PROJCS[\""+name+"\","+geogcs.toWKT()+ |
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","+proj.toWKT();
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for (int i=0; i<params.size();i++) |
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txt += ","+((Parameter)params.get(i)).toWKT();
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txt += ","+unit.toWKT();
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if (axes != null) |
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txt += ","+axes.toWKT();
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if (authority != null) |
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txt += ","+authority.toWKT();
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return txt+"]"; |
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} |
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} |
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abstract public String toWKT(); |
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} |