svn-gvsig-desktop / trunk / libraries / libJCRS / src / org / gvsig / crs / Crs.java @ 28835
History | View | Annotate | Download (18.5 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.
|
| 4 |
*
|
| 5 |
* This program is free software; you can redistribute it and/or
|
| 6 |
* modify it under the terms of the GNU General Public License
|
| 7 |
* as published by the Free Software Foundation; either version 2
|
| 8 |
* of the License, or (at your option) any later version.
|
| 9 |
*
|
| 10 |
* This program is distributed in the hope that it will be useful,
|
| 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
* GNU General Public License for more details.
|
| 14 |
*
|
| 15 |
* You should have received a copy of the GNU General Public License
|
| 16 |
* along with this program; if not, write to the Free Software
|
| 17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 18 |
*
|
| 19 |
* For more information, contact:
|
| 20 |
*
|
| 21 |
* Generalitat Valenciana
|
| 22 |
* Conselleria d'Infraestructures i Transport
|
| 23 |
* Av. Blasco Ib??ez, 50
|
| 24 |
* 46010 VALENCIA
|
| 25 |
* SPAIN
|
| 26 |
*
|
| 27 |
* +34 963862235
|
| 28 |
* gvsig@gva.es
|
| 29 |
* www.gvsig.gva.es
|
| 30 |
*
|
| 31 |
* or
|
| 32 |
*
|
| 33 |
* Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)
|
| 34 |
* Campus Universitario s/n
|
| 35 |
* 02071 Alabacete
|
| 36 |
* Spain
|
| 37 |
*
|
| 38 |
* +34 967 599 200
|
| 39 |
*/
|
| 40 |
|
| 41 |
package org.gvsig.crs; |
| 42 |
|
| 43 |
import java.awt.Color; |
| 44 |
import java.awt.Graphics2D; |
| 45 |
import java.awt.geom.Point2D; |
| 46 |
import java.awt.geom.Rectangle2D; |
| 47 |
|
| 48 |
import org.cresques.cts.ICoordTrans; |
| 49 |
import org.cresques.cts.IDatum; |
| 50 |
import org.cresques.cts.IProjection; |
| 51 |
import org.cresques.geo.ViewPortData; |
| 52 |
import org.gvsig.crs.proj.CrsProj; |
| 53 |
import org.gvsig.crs.proj.JNIBaseCrs; |
| 54 |
import org.gvsig.crs.proj.OperationCrsException; |
| 55 |
|
| 56 |
/**
|
| 57 |
* Clase que construye el CRS a partir de la cadena WKT
|
| 58 |
* @author Jos? Luis G?mez Mart?nez (jolugomar@gmail.com)
|
| 59 |
* @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)
|
| 60 |
* @author Miguel Garc?a Jim?nez (garciajimenez.miguel@gmail.com)
|
| 61 |
*
|
| 62 |
*/
|
| 63 |
public class Crs implements ICrs { |
| 64 |
private static final Color basicGridColor = new Color(64, 64, 64, 128); |
| 65 |
private Proj4 proj4;
|
| 66 |
private String proj4String; |
| 67 |
private String trans; |
| 68 |
//private String transOrigin = "";
|
| 69 |
private String abrev; |
| 70 |
private String name = ""; |
| 71 |
private CrsProj crsProj;
|
| 72 |
private CrsProj crsBase = null; |
| 73 |
private CrsWkt crsWkt;
|
| 74 |
private int epsg_code = 23030; |
| 75 |
String sourceTrParams = null; |
| 76 |
String targetTrParams = null; |
| 77 |
String wkt = null; |
| 78 |
Color gridColor = basicGridColor;
|
| 79 |
CRSDatum datum = null;
|
| 80 |
|
| 81 |
public Crs(int epsgCode, int aut) throws CrsException |
| 82 |
{
|
| 83 |
String strEpsgCode = ""; |
| 84 |
if (aut == 1) { |
| 85 |
strEpsgCode="EPSG:"+epsgCode;
|
| 86 |
} else if (aut == 2){ |
| 87 |
strEpsgCode="ESRI:"+epsgCode;
|
| 88 |
} else if (aut == 3){ |
| 89 |
strEpsgCode="IAU2000:"+epsgCode;
|
| 90 |
} else if (aut == 4) { |
| 91 |
strEpsgCode="USR:"+epsgCode;
|
| 92 |
} else System.out.println("Error, autorithy err?neo"); |
| 93 |
crsWkt=new CrsWkt(strEpsgCode);
|
| 94 |
setWKT(crsWkt.getWkt()); |
| 95 |
} |
| 96 |
|
| 97 |
|
| 98 |
/**
|
| 99 |
* Construye un CRS a partir del c?digo EPSG o de la cadena WKT.
|
| 100 |
*
|
| 101 |
* @param code
|
| 102 |
* @throws CrsException
|
| 103 |
*/
|
| 104 |
public Crs(String code) throws CrsException { |
| 105 |
String fullCode;
|
| 106 |
setWKT(code); |
| 107 |
if(code.charAt(0) == 'E' || code.charAt(0) == 'G' || code.charAt(0) == 'P') |
| 108 |
fullCode = code; |
| 109 |
else fullCode = "EPSG:"+code; |
| 110 |
String cod = ""; |
| 111 |
if(code.length() < 15 ) { |
| 112 |
code = code.substring(code.indexOf(":")+1); |
| 113 |
try {
|
| 114 |
//Creamos el objeto que tendra los diferentes parametros de la cadena Wkt
|
| 115 |
crsWkt = new CrsWkt(fullCode);
|
| 116 |
setName(fullCode); |
| 117 |
setAbrev(fullCode); |
| 118 |
|
| 119 |
} catch (NumberFormatException e) { |
| 120 |
// TODO Auto-generated catch block
|
| 121 |
e.printStackTrace(); |
| 122 |
} |
| 123 |
}else {
|
| 124 |
String aux;
|
| 125 |
String code2 = ""; |
| 126 |
for(int i = 0; i < code.length(); i++) { |
| 127 |
aux = ""+code.charAt(i);
|
| 128 |
if(!aux.equals(" ")) { |
| 129 |
code2+=aux; |
| 130 |
}else {
|
| 131 |
code2 += "";
|
| 132 |
} |
| 133 |
} |
| 134 |
crsWkt = new CrsWkt(code2);
|
| 135 |
|
| 136 |
setName(fullCode); |
| 137 |
//setAbrev(crsWkt.getName());
|
| 138 |
setAbrev(crsWkt.getAuthority()[0]+":"+crsWkt.getAuthority()[1]); |
| 139 |
|
| 140 |
} |
| 141 |
// Asignar el datum y el crs base (en el caso de ser projectado):
|
| 142 |
if (!(crsWkt.getSpheroid()[1].equals("")||crsWkt.getSpheroid()[2].equals(""))){ |
| 143 |
double eSemiMajorAxis = Double.valueOf(crsWkt.getSpheroid()[1]).doubleValue(); |
| 144 |
double eIFlattening = Double.valueOf(crsWkt.getSpheroid()[2]).doubleValue(); |
| 145 |
datum = new CRSDatum(eSemiMajorAxis,eIFlattening);
|
| 146 |
|
| 147 |
//crs base (en el caso de ser projectado):
|
| 148 |
/*if(this.isProjected()){
|
| 149 |
String proj4Base = "+proj=latlong +a=" + crsWkt.getSpheroid()[1] + " +rf=" + crsWkt.getSpheroid()[2] ;
|
| 150 |
crsBase = new CrsProj(proj4Base);
|
| 151 |
}*/
|
| 152 |
} |
| 153 |
} |
| 154 |
|
| 155 |
/**
|
| 156 |
*Construye un CRS a partir del c?digo EPSG o de la cadena WKT.
|
| 157 |
*
|
| 158 |
* @param epsg_cod
|
| 159 |
* @param code
|
| 160 |
* @throws CrsException
|
| 161 |
*/
|
| 162 |
public Crs(int epsg_cod, String code) throws CrsException { |
| 163 |
String fullCode;
|
| 164 |
setWKT(code); |
| 165 |
setCode(epsg_cod); |
| 166 |
if(code != null || code.charAt(0) == 'E' || code.charAt(0) == 'G' || code.charAt(0) == 'P') |
| 167 |
fullCode = code; |
| 168 |
else fullCode = "EPSG:"+code; |
| 169 |
String cod = ""; |
| 170 |
if(code.length() < 15 ) { |
| 171 |
code = code.substring(code.indexOf(":")+1); |
| 172 |
try {
|
| 173 |
//Creamos el objeto que tendra los diferentes parametros de la cadena Wkt
|
| 174 |
crsWkt = new CrsWkt(fullCode);
|
| 175 |
setName(fullCode); |
| 176 |
setAbrev(fullCode); |
| 177 |
|
| 178 |
} catch (NumberFormatException e) { |
| 179 |
// TODO Auto-generated catch block
|
| 180 |
e.printStackTrace(); |
| 181 |
} |
| 182 |
}else {
|
| 183 |
String aux;
|
| 184 |
String code2 = ""; |
| 185 |
for(int i = 0; i < code.length(); i++) { |
| 186 |
aux = ""+code.charAt(i);
|
| 187 |
if(!aux.equals(" ")) { |
| 188 |
code2+=aux; |
| 189 |
}else {
|
| 190 |
code2 += "";
|
| 191 |
} |
| 192 |
} |
| 193 |
crsWkt = new CrsWkt(code2);
|
| 194 |
/*
|
| 195 |
* Arreglo temporal para ver si funcionan de la iau2000 las proyecciones
|
| 196 |
* cilindrica equidistante y oblicua cilindrica equidistante
|
| 197 |
* que no estan en gdal, por lo que asignaremos directamente su cadena
|
| 198 |
* en proj4 para trabajar con ellas
|
| 199 |
*/
|
| 200 |
if (!crsWkt.getProjection().equals("Equidistant_Cylindrical") && !crsWkt.getProjection().equals("Oblique_Cylindrical_Equal_Area")){ |
| 201 |
setName(fullCode); |
| 202 |
//setAbrev(crsWkt.getName());
|
| 203 |
setAbrev(crsWkt.getAuthority()[0]+":"+crsWkt.getAuthority()[1]); |
| 204 |
} |
| 205 |
else if (crsWkt.getProjection().equals("Equidistant_Cylindrical")){ |
| 206 |
String spheroid1 = crsWkt.getSpheroid()[1]; |
| 207 |
String spheroid2 = crsWkt.getSpheroid()[2]; |
| 208 |
String centralMeridian = ""; |
| 209 |
String falseNorthing = ""; |
| 210 |
String falseEasting = ""; |
| 211 |
String standardParallel1 = "0.0"; |
| 212 |
for (int i=0; i<crsWkt.getParam_name().length;i++){ |
| 213 |
if (crsWkt.getParam_name()[i].equals("Central_Meridian")) |
| 214 |
centralMeridian = crsWkt.getParam_value()[i]; |
| 215 |
if (crsWkt.getParam_name()[i].equals("False_Easting")) |
| 216 |
falseEasting = crsWkt.getParam_value()[i]; |
| 217 |
if(crsWkt.getParam_name()[i].equals("False_Northing")) |
| 218 |
falseNorthing = crsWkt.getParam_value()[i]; |
| 219 |
if (crsWkt.getParam_name()[i].equals("Standard_Parallel_1")) |
| 220 |
standardParallel1 = crsWkt.getParam_value()[i]; |
| 221 |
} |
| 222 |
if (spheroid2.equals("0.0")){ |
| 223 |
proj4String = "+proj=eqc +a=" + spheroid1 +
|
| 224 |
" +lon_0="+ centralMeridian + " +x_0="+falseEasting+" +y_0="+falseNorthing + |
| 225 |
" +lat_ts="+standardParallel1;
|
| 226 |
} else {
|
| 227 |
proj4String = "+proj=eqc +a="+ spheroid1 +" +rf=" + spheroid2 + |
| 228 |
" +lon_0="+ centralMeridian + " +x_0="+falseEasting+" +y_0="+falseNorthing + |
| 229 |
" +lat_ts="+standardParallel1;
|
| 230 |
} |
| 231 |
setName(fullCode); |
| 232 |
//setAbrev(crsWkt.getName());
|
| 233 |
setAbrev(crsWkt.getAuthority()[0]+":"+crsWkt.getAuthority()[1]); |
| 234 |
|
| 235 |
} |
| 236 |
else if (crsWkt.getProjection().equals("Oblique_Cylindrical_Equal_Area")){ |
| 237 |
String spheroid1 = crsWkt.getSpheroid()[1]; |
| 238 |
String spheroid2 = crsWkt.getSpheroid()[2]; |
| 239 |
String centralMeridian = ""; |
| 240 |
String falseNorthing = ""; |
| 241 |
String falseEasting = ""; |
| 242 |
String standardParallel1 = ""; |
| 243 |
String standardParallel2 = "0.0"; |
| 244 |
for (int i=0; i<crsWkt.getParam_name().length;i++){ |
| 245 |
if (crsWkt.getParam_name()[i].equals("Central_Meridian")) |
| 246 |
centralMeridian = crsWkt.getParam_value()[i]; |
| 247 |
if (crsWkt.getParam_name()[i].equals("False_Easting")) |
| 248 |
falseEasting = crsWkt.getParam_value()[i]; |
| 249 |
if(crsWkt.getParam_name()[i].equals("False_Northing")) |
| 250 |
falseNorthing = crsWkt.getParam_value()[i]; |
| 251 |
if (crsWkt.getParam_name()[i].equals("Standard_Parallel_1")) |
| 252 |
standardParallel1 = crsWkt.getParam_value()[i]; |
| 253 |
if (crsWkt.getParam_name()[i].equals("Standard_Parallel_2")) |
| 254 |
standardParallel2 = crsWkt.getParam_value()[i]; |
| 255 |
} |
| 256 |
if (spheroid2.equals("0.0")){ |
| 257 |
proj4String = "+proj=ocea +a="+ spheroid1 +
|
| 258 |
" +lon_0="+ centralMeridian + " +x_0="+falseEasting+" +y_0="+falseNorthing + |
| 259 |
" +lat_1="+standardParallel1+" +lat_2="+standardParallel2+" +lon_1=long_1" + |
| 260 |
" +lon_2=long_2 +no_defs";
|
| 261 |
} else {
|
| 262 |
proj4String = "+proj=ocea +a="+ spheroid1 + " +rf=" + spheroid2 + |
| 263 |
" +lon_0="+ centralMeridian + " +x_0="+falseEasting+" +y_0="+falseNorthing + |
| 264 |
" +lat_1="+standardParallel1+" +lat_2="+standardParallel2+" +lon_1=long_1" + |
| 265 |
" +lon_2=long_2 +no_defs";
|
| 266 |
} |
| 267 |
setName(fullCode); |
| 268 |
//setAbrev(crsWkt.getName());
|
| 269 |
setAbrev(crsWkt.getAuthority()[0]+":"+crsWkt.getAuthority()[1]); |
| 270 |
} |
| 271 |
} |
| 272 |
// Asignar el datum:
|
| 273 |
if (!(crsWkt.getSpheroid()[1].equals("")||crsWkt.getSpheroid()[2].equals(""))){ |
| 274 |
double eSemiMajorAxis = Double.valueOf(crsWkt.getSpheroid()[1]).doubleValue(); |
| 275 |
double eIFlattening = Double.valueOf(crsWkt.getSpheroid()[2]).doubleValue(); |
| 276 |
datum = new CRSDatum(eSemiMajorAxis,eIFlattening);
|
| 277 |
|
| 278 |
// Crs base (en el caso de ser projectado):
|
| 279 |
/*if(this.isProjected()){
|
| 280 |
String proj4Base = "+proj=latlong +a=" + crsWkt.getSpheroid()[1] + " +rf=" + crsWkt.getSpheroid()[2] ;
|
| 281 |
crsBase = new CrsProj(proj4Base);
|
| 282 |
}*/
|
| 283 |
} |
| 284 |
} |
| 285 |
|
| 286 |
/**
|
| 287 |
* Construye un CRS a partir del c?digo EPSG o de la cadena WKT.
|
| 288 |
* En el caso de WKT le a?ade a la cadena proj4 el string params.
|
| 289 |
*
|
| 290 |
* @param epsg_cod
|
| 291 |
* @param code
|
| 292 |
* @param params
|
| 293 |
* @throws CrsException
|
| 294 |
*/
|
| 295 |
public Crs(int epsg_cod, String code,String params) throws CrsException { |
| 296 |
String fullCode;
|
| 297 |
setCode(epsg_cod); |
| 298 |
setWKT(code); |
| 299 |
if(code.charAt(0) == 'E' || code.charAt(0) == 'G' || code.charAt(0) == 'P') |
| 300 |
fullCode = code; |
| 301 |
else fullCode = "EPSG:"+code; |
| 302 |
String cod = ""; |
| 303 |
if(code.length() < 15 ) { |
| 304 |
code = code.substring(code.indexOf(":")+1); |
| 305 |
try {
|
| 306 |
//Creamos el objeto que tendra los diferentes parametros de la cadena Wkt
|
| 307 |
crsWkt = new CrsWkt(fullCode);
|
| 308 |
|
| 309 |
setName(fullCode); |
| 310 |
setAbrev(fullCode); |
| 311 |
|
| 312 |
} catch (NumberFormatException e) { |
| 313 |
// TODO Auto-generated catch block
|
| 314 |
e.printStackTrace(); |
| 315 |
} |
| 316 |
}else {
|
| 317 |
String aux;
|
| 318 |
String code2 = ""; |
| 319 |
for(int i = 0; i < code.length(); i++) { |
| 320 |
aux = ""+code.charAt(i);
|
| 321 |
if(!aux.equals(" ")) { |
| 322 |
code2+=aux; |
| 323 |
}else {
|
| 324 |
code2 += "";
|
| 325 |
} |
| 326 |
} |
| 327 |
crsWkt = new CrsWkt(code2);
|
| 328 |
|
| 329 |
setName(fullCode); |
| 330 |
//setAbrev(crsWkt.getName());
|
| 331 |
setAbrev(crsWkt.getAuthority()[0]+":"+crsWkt.getAuthority()[1]); |
| 332 |
|
| 333 |
} |
| 334 |
// Asignar el datum:
|
| 335 |
if (!(crsWkt.getSpheroid()[1].equals("")||crsWkt.getSpheroid()[2].equals(""))){ |
| 336 |
double eSemiMajorAxis = Double.valueOf(crsWkt.getSpheroid()[1]).doubleValue(); |
| 337 |
double eIFlattening = Double.valueOf(crsWkt.getSpheroid()[2]).doubleValue(); |
| 338 |
datum = new CRSDatum(eSemiMajorAxis,eIFlattening);
|
| 339 |
|
| 340 |
// Crs base (en el caso de ser projectado):
|
| 341 |
/*if(this.isProjected()){
|
| 342 |
String proj4Base = "+proj=latlong +a=" + crsWkt.getSpheroid()[1] + " +rf=" + crsWkt.getSpheroid()[2] ;
|
| 343 |
crsBase = new CrsProj(proj4Base);
|
| 344 |
}*/
|
| 345 |
} |
| 346 |
} |
| 347 |
|
| 348 |
/* public Crs(CrsEpsg source) throws CrsException {
|
| 349 |
crsProj4 = source;
|
| 350 |
}*/
|
| 351 |
|
| 352 |
/**
|
| 353 |
* @param code
|
| 354 |
*/
|
| 355 |
public void setTrans(String code) { |
| 356 |
trans = code; |
| 357 |
changeTrans(trans); |
| 358 |
} |
| 359 |
|
| 360 |
/**
|
| 361 |
*
|
| 362 |
* @param code
|
| 363 |
*/
|
| 364 |
public void changeTrans(String code) { |
| 365 |
getCrsProj().changeStrCrs(code); |
| 366 |
} |
| 367 |
|
| 368 |
/**
|
| 369 |
*
|
| 370 |
*/
|
| 371 |
public String getAbrev() { |
| 372 |
return abrev;
|
| 373 |
} |
| 374 |
|
| 375 |
/**
|
| 376 |
*
|
| 377 |
* @param code
|
| 378 |
*/
|
| 379 |
protected void setAbrev(String code) { |
| 380 |
abrev = code; |
| 381 |
} |
| 382 |
|
| 383 |
/**
|
| 384 |
*
|
| 385 |
* @param nom
|
| 386 |
*/
|
| 387 |
public void setName(String nom) { |
| 388 |
name = nom; |
| 389 |
} |
| 390 |
|
| 391 |
/**
|
| 392 |
* @return
|
| 393 |
*/
|
| 394 |
public IDatum getDatum() {
|
| 395 |
|
| 396 |
return datum;
|
| 397 |
} |
| 398 |
|
| 399 |
/**
|
| 400 |
* @return
|
| 401 |
*/
|
| 402 |
public CrsWkt getCrsWkt() {
|
| 403 |
return crsWkt;
|
| 404 |
} |
| 405 |
|
| 406 |
/**
|
| 407 |
*
|
| 408 |
* @param wkt
|
| 409 |
*/
|
| 410 |
public void setWKT(String wkt){ |
| 411 |
this.wkt = wkt;
|
| 412 |
} |
| 413 |
|
| 414 |
/**
|
| 415 |
* @return
|
| 416 |
*/
|
| 417 |
public String getWKT(){ |
| 418 |
return this.wkt; |
| 419 |
} |
| 420 |
|
| 421 |
/**
|
| 422 |
*
|
| 423 |
* @param params
|
| 424 |
*/
|
| 425 |
public void setTransformationParams(String sourceParams, String targetParams){ |
| 426 |
this.sourceTrParams = sourceParams;
|
| 427 |
this.targetTrParams = targetParams;
|
| 428 |
} |
| 429 |
|
| 430 |
/**
|
| 431 |
* Devuelve los parametros de la transformacion del crs fuente
|
| 432 |
* @return
|
| 433 |
*/
|
| 434 |
public String getSourceTransformationParams() { |
| 435 |
return this.sourceTrParams; |
| 436 |
} |
| 437 |
|
| 438 |
/**
|
| 439 |
* Devuelve los parametros de la transformacion del crs destino
|
| 440 |
* @return
|
| 441 |
*/
|
| 442 |
public String getTargetTransformationParams() { |
| 443 |
return this.targetTrParams; |
| 444 |
} |
| 445 |
|
| 446 |
/**
|
| 447 |
* @return
|
| 448 |
*/
|
| 449 |
public String getTransformationParams(){ |
| 450 |
return this.sourceTrParams; |
| 451 |
} |
| 452 |
|
| 453 |
/**
|
| 454 |
*
|
| 455 |
* @return
|
| 456 |
*/
|
| 457 |
public CrsProj getCrsProj() {
|
| 458 |
if (crsProj == null) |
| 459 |
try {
|
| 460 |
crsProj = new CrsProj(getProj4String());
|
| 461 |
} catch (CrsException e) {
|
| 462 |
// TODO Auto-generated catch block
|
| 463 |
e.printStackTrace(); |
| 464 |
} |
| 465 |
return crsProj;
|
| 466 |
} |
| 467 |
|
| 468 |
/**
|
| 469 |
* @param x
|
| 470 |
* @param y
|
| 471 |
* @return
|
| 472 |
*/
|
| 473 |
public Point2D createPoint(double x, double y) { |
| 474 |
return new Point2D.Double(x,y); |
| 475 |
} |
| 476 |
|
| 477 |
/**
|
| 478 |
* @param g
|
| 479 |
* @param vp
|
| 480 |
*/
|
| 481 |
public void drawGrid(Graphics2D g, ViewPortData vp) { |
| 482 |
// TODO Auto-generated method stub
|
| 483 |
|
| 484 |
} |
| 485 |
|
| 486 |
/**
|
| 487 |
* @param c
|
| 488 |
*/
|
| 489 |
public void setGridColor(Color c) { |
| 490 |
gridColor = c; |
| 491 |
} |
| 492 |
|
| 493 |
/**
|
| 494 |
* @return
|
| 495 |
*/
|
| 496 |
public Color getGridColor() { |
| 497 |
return gridColor;
|
| 498 |
} |
| 499 |
|
| 500 |
/**
|
| 501 |
* @param dest
|
| 502 |
* @return
|
| 503 |
*/
|
| 504 |
public ICoordTrans getCT(IProjection dest) {
|
| 505 |
|
| 506 |
|
| 507 |
try {
|
| 508 |
if (dest == this) |
| 509 |
return null; |
| 510 |
COperation operation = null;
|
| 511 |
if(((ICrs)dest).getSourceTransformationParams() != null || ((ICrs)dest).getTargetTransformationParams() != null) |
| 512 |
operation = new COperation(this, (ICrs)dest,((ICrs)dest).getTargetTransformationParams(),((ICrs)dest).getSourceTransformationParams()); |
| 513 |
else
|
| 514 |
operation = new COperation(this, (ICrs)dest,sourceTrParams,targetTrParams); |
| 515 |
return operation;
|
| 516 |
}catch (CrsException e) {
|
| 517 |
// TODO Auto-generated catch block
|
| 518 |
e.printStackTrace(); |
| 519 |
return null; |
| 520 |
} |
| 521 |
|
| 522 |
/*
|
| 523 |
try {
|
| 524 |
operation = new COperation(this, (ICrs)dest);
|
| 525 |
} catch (CrsException e) {
|
| 526 |
// TODO Auto-generated catch block
|
| 527 |
e.printStackTrace();
|
| 528 |
}
|
| 529 |
|
| 530 |
if (getTransformationParams()!=null){
|
| 531 |
if (isTargetParams())
|
| 532 |
operation.setParamsCrsProj(new CrsProj(crsDest.getProj4String()+getTransformationParams()), true);
|
| 533 |
else
|
| 534 |
operation.setParamsCrsProj(new CrsProj(getProj4String()+getTransformationParams()), false);
|
| 535 |
|
| 536 |
return operation;
|
| 537 |
}
|
| 538 |
|
| 539 |
return operation; */
|
| 540 |
} |
| 541 |
|
| 542 |
/**
|
| 543 |
* @param pt
|
| 544 |
* @return
|
| 545 |
*/
|
| 546 |
public Point2D toGeo(Point2D pt) { |
| 547 |
if (isProjected()){
|
| 548 |
double x[] = {pt.getX()}; |
| 549 |
double y[] = {pt.getY()}; |
| 550 |
double z[] = {0D}; |
| 551 |
try {
|
| 552 |
JNIBaseCrs.operate( x , y, z, |
| 553 |
getCrsProj(),crsBase); |
| 554 |
} catch (OperationCrsException e) {
|
| 555 |
// TODO Auto-generated catch block
|
| 556 |
e.printStackTrace(); |
| 557 |
} |
| 558 |
return new Point2D.Double(x[0],y[0]); |
| 559 |
} |
| 560 |
else
|
| 561 |
return pt;
|
| 562 |
} |
| 563 |
|
| 564 |
/**
|
| 565 |
* @param gPt
|
| 566 |
* @param mPt
|
| 567 |
* @return
|
| 568 |
*/
|
| 569 |
public Point2D fromGeo(Point2D gPt, Point2D mPt) { |
| 570 |
// TODO Auto-generated method stub
|
| 571 |
return null; |
| 572 |
} |
| 573 |
|
| 574 |
/**
|
| 575 |
* @return
|
| 576 |
*/
|
| 577 |
public boolean isProjected() { |
| 578 |
return !getCrsProj().isLatlong();
|
| 579 |
} |
| 580 |
|
| 581 |
/**
|
| 582 |
* @param minX
|
| 583 |
* @param maxX
|
| 584 |
* @param width
|
| 585 |
* @param dpi
|
| 586 |
* @return
|
| 587 |
*/
|
| 588 |
public double getScale(double minX, double maxX, double width, double dpi) { |
| 589 |
double scale = 0D; |
| 590 |
if (!isProjected()) { // Es geogr?fico; calcula la escala. |
| 591 |
scale = ((maxX - minX) * // grados
|
| 592 |
|
| 593 |
// 1852.0 metros x minuto de meridiano
|
| 594 |
(dpi / 2.54 * 100.0 * 1852.0 * 60.0)) / // px / metro |
| 595 |
width; // pixels
|
| 596 |
} |
| 597 |
else{
|
| 598 |
scale = ((maxX - minX) * // metros
|
| 599 |
(dpi / 2.54 * 100.0)) / // px / metro |
| 600 |
width; // pixels
|
| 601 |
} |
| 602 |
return scale;
|
| 603 |
} |
| 604 |
|
| 605 |
public double getScale(double minX, double maxX, double minY, double maxY, double width, double dpi) { |
| 606 |
|
| 607 |
double scale = 0D; |
| 608 |
double incX = (maxX-minX);
|
| 609 |
|
| 610 |
if (!isProjected()) {
|
| 611 |
double a = getDatum().getESemiMajorAxis();
|
| 612 |
double invF = getDatum().getEIFlattening();
|
| 613 |
double meanY = (minY+maxY)/2.0; |
| 614 |
double radius = 0.0; |
| 615 |
|
| 616 |
|
| 617 |
if (invF == Double.POSITIVE_INFINITY){ |
| 618 |
radius = a; |
| 619 |
} |
| 620 |
else{
|
| 621 |
double e2 = 2.0/invF-Math.pow(1.0/invF,2.0); |
| 622 |
radius = a/Math.sqrt(1.0-e2*Math.pow(Math.sin(meanY*Math.PI/180.0),2.0))*Math.cos(meanY*Math.PI/180.0); |
| 623 |
} |
| 624 |
incX *= Math.PI/180.0*radius; |
| 625 |
} |
| 626 |
|
| 627 |
scale = (incX * // metros
|
| 628 |
(dpi / 2.54 * 100.0)) / // px / metro |
| 629 |
width; // pixels
|
| 630 |
|
| 631 |
return scale;
|
| 632 |
} |
| 633 |
|
| 634 |
/**
|
| 635 |
*
|
| 636 |
* @param epsg_cod
|
| 637 |
*/
|
| 638 |
public void setCode(int epsg_cod){ |
| 639 |
epsg_code = epsg_cod; |
| 640 |
} |
| 641 |
|
| 642 |
/**
|
| 643 |
* @return
|
| 644 |
*/
|
| 645 |
public int getCode() { |
| 646 |
// TODO Auto-generated method stub
|
| 647 |
return epsg_code;
|
| 648 |
} |
| 649 |
|
| 650 |
public String getFullCode() { |
| 651 |
if (this.sourceTrParams == null && this.targetTrParams == null) |
| 652 |
return getAbrev();
|
| 653 |
String sourceParams = ""; |
| 654 |
String targetParams = ""; |
| 655 |
if (sourceTrParams != null) |
| 656 |
sourceParams = sourceTrParams; |
| 657 |
if (targetTrParams != null) |
| 658 |
targetParams = targetTrParams; |
| 659 |
|
| 660 |
return getAbrev()+":proj@"+sourceParams+"@"+targetParams; |
| 661 |
} |
| 662 |
|
| 663 |
|
| 664 |
public Rectangle2D getExtent(Rectangle2D extent,double scale,double wImage,double hImage,double mapUnits,double distanceUnits,double dpi) { |
| 665 |
double w =0; |
| 666 |
double h =0; |
| 667 |
double wExtent =0; |
| 668 |
double hExtent =0; |
| 669 |
if (isProjected()) {
|
| 670 |
w = ((wImage / dpi) * 2.54);
|
| 671 |
h = ((hImage / dpi) * 2.54);
|
| 672 |
wExtent =w * scale*distanceUnits/ mapUnits; |
| 673 |
hExtent =h * scale*distanceUnits/ mapUnits; |
| 674 |
|
| 675 |
}else {
|
| 676 |
w = ((wImage / dpi) * 2.54);
|
| 677 |
h = ((hImage / dpi) * 2.54);
|
| 678 |
wExtent =(w*scale*distanceUnits)/ (mapUnits*1852.0*60.0); |
| 679 |
hExtent =(h*scale*distanceUnits)/ (mapUnits*1852.0*60.0); |
| 680 |
} |
| 681 |
double xExtent = extent.getCenterX() - wExtent/2; |
| 682 |
double yExtent = extent.getCenterY() - hExtent/2; |
| 683 |
Rectangle2D rec=new Rectangle2D.Double(xExtent,yExtent,wExtent,hExtent); |
| 684 |
return rec;
|
| 685 |
} |
| 686 |
|
| 687 |
private Proj4 getProj4() {
|
| 688 |
if (proj4 == null) |
| 689 |
try {
|
| 690 |
proj4 = new Proj4();
|
| 691 |
} catch (CrsException e) {
|
| 692 |
// TODO Auto-generated catch block
|
| 693 |
e.printStackTrace(); |
| 694 |
} |
| 695 |
return proj4;
|
| 696 |
} |
| 697 |
|
| 698 |
/**
|
| 699 |
*
|
| 700 |
* @return Cadena proj4 Correspondiente al CRS.
|
| 701 |
* @throws CrsException
|
| 702 |
*/
|
| 703 |
public String getProj4String() throws CrsException { |
| 704 |
if (proj4String == null) |
| 705 |
proj4String = getProj4().exportToProj4(this);
|
| 706 |
return proj4String;
|
| 707 |
} |
| 708 |
} |