root / trunk / libraries / libCq CMS for java.old / src / org / cresques / cts / wkt / WKT.java @ 8120
History | View | Annotate | Download (7.75 KB)
| 1 |
package org.cresques.cts.wkt; |
|---|---|
| 2 |
|
| 3 |
import java.util.ArrayList; |
| 4 |
|
| 5 |
/**
|
| 6 |
* Generates a WKT from CRS parameters.
|
| 7 |
* as, for example in
|
| 8 |
* "GEOGCS[\"ETRS89\","+
|
| 9 |
"DATUM[\"European_Terrestrial_Reference_System_1989\","+
|
| 10 |
"SPHEROID[\"GRS 1980\",6378137,298.257222101,"+
|
| 11 |
"AUTHORITY[\"EPSG\",\"7019\"]],"+
|
| 12 |
"AUTHORITY[\"EPSG\",\"6258\"]," +
|
| 13 |
"TOWGS84[0,0,0,0,0,0,0]],"+
|
| 14 |
"PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"+
|
| 15 |
"UNIT[\"degree\",0.01745329251994328, AUTHORITY[\"EPSG\",\"9122\"]],"+
|
| 16 |
"AUTHORITY[\"EPSG\",\"4258\"]]";
|
| 17 |
|
| 18 |
* @author Luis W. Sevilla <sevilla_lui@gva.es>
|
| 19 |
*
|
| 20 |
*/
|
| 21 |
public abstract class WKT { |
| 22 |
|
| 23 |
static class Authority { |
| 24 |
String name;
|
| 25 |
String code;
|
| 26 |
public Authority(String n, String c) { |
| 27 |
name = n; |
| 28 |
code = c; |
| 29 |
} |
| 30 |
public String toWKT() { |
| 31 |
return "AUTHORITY[\""+name+"\",\""+code+"\"]"; |
| 32 |
} |
| 33 |
} |
| 34 |
|
| 35 |
static class Parameter { |
| 36 |
protected String name; |
| 37 |
private String value; |
| 38 |
protected Authority authority; // optional |
| 39 |
|
| 40 |
public Parameter(String n) { |
| 41 |
name = n; |
| 42 |
} |
| 43 |
|
| 44 |
public Parameter(String n, String v) { |
| 45 |
name = n; |
| 46 |
value = v; |
| 47 |
} |
| 48 |
public Parameter(String n, Authority a) { |
| 49 |
name = n; |
| 50 |
authority = a; |
| 51 |
} |
| 52 |
|
| 53 |
public String toWKT() { |
| 54 |
String txt = "PARAMETER[\""+name+"\","+value; |
| 55 |
if (authority != null) |
| 56 |
txt += ","+authority.toWKT();
|
| 57 |
return txt + "]"; |
| 58 |
} |
| 59 |
} |
| 60 |
|
| 61 |
static class Spheroid { |
| 62 |
String name;
|
| 63 |
double semiMajor;
|
| 64 |
double inverseFlattening;
|
| 65 |
Authority authority = null; // optional |
| 66 |
|
| 67 |
public Spheroid(String n, double s, double f) { |
| 68 |
name = n; |
| 69 |
semiMajor = s; |
| 70 |
inverseFlattening = f; |
| 71 |
} |
| 72 |
public Spheroid(String n, double s, double f, Authority a) { |
| 73 |
name = n; |
| 74 |
semiMajor = s; |
| 75 |
inverseFlattening = f; |
| 76 |
authority = a; |
| 77 |
} |
| 78 |
public String toWKT() { |
| 79 |
String txt = "SPHEROID[\""+name+"\","+ |
| 80 |
semiMajor+","+inverseFlattening;
|
| 81 |
if (authority != null) |
| 82 |
txt += ","+authority.toWKT();
|
| 83 |
return txt + "]"; |
| 84 |
} |
| 85 |
} |
| 86 |
|
| 87 |
static class ToWGS84 { |
| 88 |
double dx = 0; |
| 89 |
double dy = 0; |
| 90 |
double dz = 0; |
| 91 |
double ex = 0; |
| 92 |
double ey = 0; |
| 93 |
double ez = 0; |
| 94 |
double ppm = 0; |
| 95 |
public ToWGS84() {
|
| 96 |
} |
| 97 |
public ToWGS84(double dx, double dy, double dz, double ex, double ey, double ez, double ppm) { |
| 98 |
this.dx = dx;
|
| 99 |
this.dy = dy;
|
| 100 |
this.dz = dz;
|
| 101 |
this.ex = ex;
|
| 102 |
this.ey = ey;
|
| 103 |
this.ez = ez;
|
| 104 |
this.ppm = ppm;
|
| 105 |
} |
| 106 |
public String toWKT() { |
| 107 |
return "TOWGS84["+dx+","+dy+","+dz+","+ex+","+ey+","+ez+","+ppm+"]"; |
| 108 |
} |
| 109 |
} |
| 110 |
|
| 111 |
static class Datum { |
| 112 |
String name;
|
| 113 |
Spheroid spheroid; |
| 114 |
ToWGS84 towgs84 = new ToWGS84(); // optional |
| 115 |
Authority authority; // optional
|
| 116 |
public Datum(String n, Spheroid s) { |
| 117 |
init (n, s, new ToWGS84(), null); |
| 118 |
} |
| 119 |
public Datum(String n, Spheroid s, ToWGS84 t) { |
| 120 |
init (n, s, t, null);
|
| 121 |
} |
| 122 |
public Datum(String n, Spheroid s, Authority a) { |
| 123 |
init (n, s, new ToWGS84(), a);
|
| 124 |
} |
| 125 |
public Datum(String n, Spheroid s, ToWGS84 t, Authority a) { |
| 126 |
init (n, s, t, a); |
| 127 |
} |
| 128 |
private void init(String n, Spheroid s, |
| 129 |
ToWGS84 t, Authority a) {
|
| 130 |
name = n; |
| 131 |
spheroid = s; |
| 132 |
towgs84 = t; |
| 133 |
authority = a; |
| 134 |
} |
| 135 |
public String toWKT() { |
| 136 |
String txt = "DATUM[\""+name+"\","+spheroid.toWKT(); |
| 137 |
if (towgs84 != null) |
| 138 |
txt += ","+towgs84.toWKT();
|
| 139 |
if (authority != null) |
| 140 |
txt += ","+authority.toWKT();
|
| 141 |
return txt+"]"; |
| 142 |
} |
| 143 |
} |
| 144 |
|
| 145 |
static class PrimeM { |
| 146 |
String name;
|
| 147 |
double longitude;
|
| 148 |
Authority authority = null; // optional |
| 149 |
|
| 150 |
public PrimeM(String n, double l) { |
| 151 |
name = n; |
| 152 |
longitude = l; |
| 153 |
} |
| 154 |
|
| 155 |
public PrimeM(String n, double l, Authority a) { |
| 156 |
name = n; |
| 157 |
longitude = l; |
| 158 |
authority = a; |
| 159 |
} |
| 160 |
|
| 161 |
public String toWKT() { |
| 162 |
String txt = "PRIMEM[\""+name+"\","+longitude; |
| 163 |
if (authority != null) |
| 164 |
txt += ","+authority.toWKT();
|
| 165 |
return txt + "]"; |
| 166 |
} |
| 167 |
} |
| 168 |
|
| 169 |
static class Unit { |
| 170 |
String name;
|
| 171 |
double conversionFactor;
|
| 172 |
Authority authority; // optional
|
| 173 |
|
| 174 |
public Unit(String n, double l) { |
| 175 |
name = n; |
| 176 |
conversionFactor = l; |
| 177 |
} |
| 178 |
|
| 179 |
public Unit(String n, double l, Authority a) { |
| 180 |
name = n; |
| 181 |
conversionFactor = l; |
| 182 |
authority = a; |
| 183 |
} |
| 184 |
|
| 185 |
public String toWKT() { |
| 186 |
String txt = "UNIT[\""+name+"\","+conversionFactor; |
| 187 |
if (authority != null) |
| 188 |
txt += ","+authority.toWKT();
|
| 189 |
return txt + "]"; |
| 190 |
} |
| 191 |
} |
| 192 |
|
| 193 |
static class Orientation { |
| 194 |
public final static int NORTH = 0; |
| 195 |
public final static int SOUTH = 1; |
| 196 |
public final static int EAST = 2; |
| 197 |
public final static int WEST = 3; |
| 198 |
public final static int UP = 4; |
| 199 |
public final static int DOWN = 5; |
| 200 |
public final static int OTHER = 6; |
| 201 |
protected final String [] txt = { |
| 202 |
"NORTH","SOUTH","EAST","WEST","UP","DOWN","OTHER" |
| 203 |
}; |
| 204 |
protected int to = -1; |
| 205 |
|
| 206 |
public Orientation(int to) { |
| 207 |
this.to = to;
|
| 208 |
} |
| 209 |
} |
| 210 |
|
| 211 |
static class Axis extends Orientation { |
| 212 |
String name;
|
| 213 |
|
| 214 |
public Axis(String name, int to) { |
| 215 |
super(to);
|
| 216 |
this.name = name;
|
| 217 |
} |
| 218 |
|
| 219 |
public String toWKT() { |
| 220 |
return "AXIS[\""+name+"\","+txt[to]+ "]"; |
| 221 |
} |
| 222 |
} |
| 223 |
|
| 224 |
static class TwinAxes { |
| 225 |
Axis axe1; |
| 226 |
Axis axe2; |
| 227 |
|
| 228 |
public TwinAxes(Axis a1, Axis a2) {
|
| 229 |
axe1 = a1; |
| 230 |
axe2 = a2; |
| 231 |
} |
| 232 |
|
| 233 |
public String toWKT() { |
| 234 |
return axe1.toWKT()+","+axe2.toWKT(); |
| 235 |
} |
| 236 |
|
| 237 |
} |
| 238 |
|
| 239 |
static class GeogCS extends WKT { |
| 240 |
String name;
|
| 241 |
Datum datum; |
| 242 |
PrimeM primeMeridian; |
| 243 |
Unit unit; |
| 244 |
TwinAxes axes = null; // optional |
| 245 |
Authority authority = null; // optional |
| 246 |
|
| 247 |
public GeogCS(String n, Datum d, PrimeM p, Unit u) { |
| 248 |
init(n, d, p, u, null, null); |
| 249 |
} |
| 250 |
|
| 251 |
public GeogCS(String n, Datum d, PrimeM p, Unit u, |
| 252 |
Authority a) {
|
| 253 |
init(n, d, p, u, null, a);
|
| 254 |
} |
| 255 |
|
| 256 |
public GeogCS(String n, Datum d, PrimeM p, Unit u, |
| 257 |
TwinAxes t) {
|
| 258 |
init(n, d, p, u, t, null);
|
| 259 |
} |
| 260 |
|
| 261 |
public GeogCS(String n, Datum d, PrimeM p, Unit u, |
| 262 |
TwinAxes t, Authority a) {
|
| 263 |
init(n, d, p, u, t, a); |
| 264 |
} |
| 265 |
|
| 266 |
private void init(String n, Datum d, PrimeM p, Unit u, |
| 267 |
TwinAxes t, Authority a) {
|
| 268 |
name = n; |
| 269 |
datum = d; |
| 270 |
primeMeridian = p; |
| 271 |
unit = u; |
| 272 |
axes = t; |
| 273 |
authority = a; |
| 274 |
} |
| 275 |
|
| 276 |
public String toWKT() { |
| 277 |
String txt = "GEOGCS[\""+name+"\","+datum.toWKT()+ |
| 278 |
","+primeMeridian.toWKT()+","+unit.toWKT(); |
| 279 |
if (axes != null) |
| 280 |
txt += ","+axes.toWKT();
|
| 281 |
if (authority != null) |
| 282 |
txt += ","+authority.toWKT();
|
| 283 |
return txt+"]"; |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
static class Projection extends Parameter { |
| 288 |
public Projection(String n) { |
| 289 |
super(n);
|
| 290 |
} |
| 291 |
|
| 292 |
public Projection(String n, Authority a) { |
| 293 |
super(n,a);
|
| 294 |
} |
| 295 |
|
| 296 |
public String toWKT() { |
| 297 |
String txt = "PROJECTION[\""+name+"\""; |
| 298 |
if (authority != null) |
| 299 |
txt += ","+authority.toWKT();
|
| 300 |
return txt + "]"; |
| 301 |
} |
| 302 |
} |
| 303 |
|
| 304 |
static class ProjCS extends Parameter { |
| 305 |
GeogCS geogcs; |
| 306 |
Projection proj; |
| 307 |
ArrayList params = new ArrayList(); |
| 308 |
Unit unit; |
| 309 |
TwinAxes axes = null; // optional |
| 310 |
|
| 311 |
public ProjCS(String n, GeogCS cs, Projection prj, Unit u ) { |
| 312 |
super(n);
|
| 313 |
Parameter [] p = {};
|
| 314 |
init(n, cs, prj, p, u, null);
|
| 315 |
} |
| 316 |
|
| 317 |
public ProjCS(String n, GeogCS cs, Projection prj, |
| 318 |
Parameter [] p, Unit u ) {
|
| 319 |
super(n);
|
| 320 |
init(n, cs, prj, p, u, null);
|
| 321 |
} |
| 322 |
|
| 323 |
public ProjCS(String n, GeogCS cs, Projection prj, |
| 324 |
Unit u, TwinAxes t, Authority a ) {
|
| 325 |
super(n, a);
|
| 326 |
Parameter [] p = {};
|
| 327 |
init(n, cs, prj, p, u, t); |
| 328 |
} |
| 329 |
|
| 330 |
public ProjCS(String n, GeogCS cs, Projection prj, |
| 331 |
Parameter [] p, Unit u, TwinAxes t, Authority a ) {
|
| 332 |
super(n, a);
|
| 333 |
init(n, cs, prj, p, u, t); |
| 334 |
} |
| 335 |
|
| 336 |
private void init(String n, GeogCS cs, Projection prj, |
| 337 |
Parameter [] p, Unit u, TwinAxes t) {
|
| 338 |
geogcs = cs; |
| 339 |
proj = prj; |
| 340 |
for (int i=0; i<p.length; i++) |
| 341 |
params.add(p[i]); |
| 342 |
unit = u; |
| 343 |
axes = t; |
| 344 |
} |
| 345 |
|
| 346 |
public void add(Parameter p) { |
| 347 |
params.add(p); |
| 348 |
} |
| 349 |
|
| 350 |
public String toWKT() { |
| 351 |
String txt = "PROJCS[\""+name+"\","+geogcs.toWKT()+ |
| 352 |
","+proj.toWKT();
|
| 353 |
for (int i=0; i<params.size();i++) |
| 354 |
txt += ","+((Parameter)params.get(i)).toWKT();
|
| 355 |
txt += ","+unit.toWKT();
|
| 356 |
if (axes != null) |
| 357 |
txt += ","+axes.toWKT();
|
| 358 |
if (authority != null) |
| 359 |
txt += ","+authority.toWKT();
|
| 360 |
return txt+"]"; |
| 361 |
} |
| 362 |
} |
| 363 |
|
| 364 |
abstract public String toWKT(); |
| 365 |
} |