root / org.gvsig.projection.jcrs / trunk / org.gvsig.projection.jcrs / org.gvsig.projection.jcrs.lib / src / main / java / org / gvsig / crs / Crs.java @ 468
History | View | Annotate | Download (29.3 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 |
import java.text.MessageFormat; |
48 |
import java.util.Vector; |
49 |
|
50 |
import org.apache.commons.lang3.StringUtils; |
51 |
import org.cresques.cts.ICRSFactory; |
52 |
import org.cresques.cts.ICoordTrans; |
53 |
import org.cresques.cts.IDatum; |
54 |
import org.cresques.cts.IProjection; |
55 |
import org.cresques.geo.ViewPortData; |
56 |
import org.gdal.osr.SpatialReference; |
57 |
import org.slf4j.Logger; |
58 |
import org.slf4j.LoggerFactory; |
59 |
|
60 |
import org.gvsig.crs.proj.CrsProj; |
61 |
import org.gvsig.crs.proj.OperationCrsException; |
62 |
import org.gvsig.fmap.crs.CRSFactory; |
63 |
|
64 |
/**
|
65 |
* Clase que construye el CRS a partir de la cadena WKT
|
66 |
* @author Jos? Luis G?mez Mart?nez (jolugomar@gmail.com)
|
67 |
* @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)
|
68 |
* @author Miguel Garc?a Jim?nez (garciajimenez.miguel@gmail.com)
|
69 |
*
|
70 |
*/
|
71 |
public class Crs implements ICrs { |
72 |
|
73 |
private static final Logger logger = LoggerFactory.getLogger(Crs.class); |
74 |
|
75 |
private static final Color basicGridColor = new Color(64, 64, 64, 128); |
76 |
private Proj4 proj4;
|
77 |
private String proj4String; |
78 |
private String trans; |
79 |
// private String transOrigin = "";
|
80 |
private String abrev; |
81 |
private String name = ""; |
82 |
private CrsProj crsProj;
|
83 |
private CrsProj crsBase = null; |
84 |
private CrsWkt crsWkt;
|
85 |
private int epsg_code = 23030; |
86 |
String sourceTrParams = null; |
87 |
String targetTrParams = null; |
88 |
String wkt = null; |
89 |
Color gridColor = basicGridColor;
|
90 |
CRSDatum datum = null;
|
91 |
|
92 |
private SpatialReference spatialReference = null; |
93 |
|
94 |
|
95 |
/**
|
96 |
* @param spatialReference
|
97 |
*
|
98 |
*/
|
99 |
public Crs(SpatialReference spatialReference) {
|
100 |
initFromSpatialReference(spatialReference); |
101 |
} |
102 |
|
103 |
/**
|
104 |
* @param spatialReference
|
105 |
*/
|
106 |
private void initFromSpatialReference(SpatialReference spatialReference) { |
107 |
this.spatialReference = spatialReference;
|
108 |
String authorityCode = spatialReference.GetAuthorityCode(null); |
109 |
String authorityName = spatialReference.GetAuthorityName(null); |
110 |
spatialReference.Fixup(); |
111 |
if(authorityCode==null || authorityName==null){ |
112 |
try {
|
113 |
spatialReference.AutoIdentifyEPSG(); |
114 |
authorityCode = spatialReference.GetAuthorityCode(null);
|
115 |
authorityName = spatialReference.GetAuthorityName(null);
|
116 |
} catch (Exception e) { |
117 |
logger.error("Can't autoidentifyEPSG.", e);
|
118 |
} |
119 |
} |
120 |
if(!StringUtils.isEmpty(authorityCode) && !StringUtils.isEmpty(authorityName)){
|
121 |
name = authorityName+":"+authorityCode;
|
122 |
} |
123 |
abrev = name; |
124 |
epsg_code = Integer.parseInt(authorityCode);
|
125 |
|
126 |
datum = new CRSDatum(spatialReference.GetSemiMajor(), spatialReference.GetInvFlattening());
|
127 |
proj4String = spatialReference.ExportToProj4(); |
128 |
// crsWkt = new CrsWkt(authorityName+":"+authorityCode);
|
129 |
crsWkt = new CrsWkt(spatialReference);
|
130 |
setWKT(spatialReference.ExportToWkt()); |
131 |
} |
132 |
|
133 |
/**
|
134 |
* @param epsgCode
|
135 |
* @param aut
|
136 |
* @throws CrsException
|
137 |
*/
|
138 |
public Crs(int epsgCode, int aut) throws CrsException { |
139 |
String strEpsgCode = ""; |
140 |
if (aut == 1) { |
141 |
strEpsgCode = "EPSG:" + epsgCode;
|
142 |
} else if (aut == 2) { |
143 |
strEpsgCode = "ESRI:" + epsgCode;
|
144 |
} else if (aut == 3) { |
145 |
strEpsgCode = "IAU2000:" + epsgCode;
|
146 |
} else if (aut == 4) { |
147 |
strEpsgCode = "USR:" + epsgCode;
|
148 |
} else
|
149 |
System.out.println("Error, autorithy err?neo"); |
150 |
crsWkt = new CrsWkt(strEpsgCode);
|
151 |
setWKT(crsWkt.getWkt()); |
152 |
} |
153 |
|
154 |
/**
|
155 |
* Construye un CRS a partir del c?digo EPSG o de la cadena WKT.
|
156 |
*
|
157 |
* @param code
|
158 |
* @throws CrsException
|
159 |
*/
|
160 |
public Crs(String code) throws CrsException { |
161 |
String fullCode;
|
162 |
setWKT(code); |
163 |
if (code.charAt(0) == 'E' || code.charAt(0) == 'G' || code.charAt(0) == 'P') |
164 |
fullCode = code; |
165 |
else
|
166 |
fullCode = "EPSG:" + code;
|
167 |
if (code.length() < 15) { |
168 |
code = code.substring(code.indexOf(":") + 1); |
169 |
try {
|
170 |
// Creamos el objeto que tendra los diferentes parametros de la
|
171 |
// cadena Wkt
|
172 |
crsWkt = new CrsWkt(fullCode);
|
173 |
setName(fullCode); |
174 |
setAbrev(fullCode); |
175 |
|
176 |
} catch (NumberFormatException e) { |
177 |
logger.error("Can't Wkt.", e);
|
178 |
} |
179 |
} else {
|
180 |
String aux;
|
181 |
String code2 = ""; |
182 |
for (int i = 0; i < code.length(); i++) { |
183 |
aux = "" + code.charAt(i);
|
184 |
if (!aux.equals(" ")) { |
185 |
code2 += aux; |
186 |
} else {
|
187 |
code2 += "";
|
188 |
} |
189 |
} |
190 |
crsWkt = new CrsWkt(code2);
|
191 |
|
192 |
setName(fullCode); |
193 |
// setAbrev(crsWkt.getName());
|
194 |
setAbrev(crsWkt.getAuthority()[0] + ":" + crsWkt.getAuthority()[1]); |
195 |
|
196 |
} |
197 |
// Asignar el datum y el crs base (en el caso de ser projectado):
|
198 |
if (!(crsWkt.getSpheroid()[1].equals("") || crsWkt.getSpheroid()[2].equals(""))) { |
199 |
double eSemiMajorAxis = Double.valueOf(crsWkt.getSpheroid()[1]).doubleValue(); |
200 |
double eIFlattening = Double.valueOf(crsWkt.getSpheroid()[2]).doubleValue(); |
201 |
datum = new CRSDatum(eSemiMajorAxis, eIFlattening);
|
202 |
|
203 |
// crs base (en el caso de ser projectado):
|
204 |
/*
|
205 |
* if(this.isProjected()){
|
206 |
* String proj4Base = "+proj=latlong +a=" + crsWkt.getSpheroid()[1]
|
207 |
* + " +rf=" + crsWkt.getSpheroid()[2] ;
|
208 |
* crsBase = new CrsProj(proj4Base);
|
209 |
* }
|
210 |
*/
|
211 |
} |
212 |
} |
213 |
|
214 |
/**
|
215 |
* Construye un CRS a partir del c?digo EPSG o de la cadena WKT.
|
216 |
*
|
217 |
* @param epsg_cod
|
218 |
* @param code
|
219 |
* @throws CrsException
|
220 |
*/
|
221 |
public Crs(int epsg_cod, String code) throws CrsException { |
222 |
// String fullCode;
|
223 |
setWKT(code); |
224 |
setCode(epsg_cod); |
225 |
// if (code != null || code.charAt(0) == 'E' || code.charAt(0) == 'G' || code.charAt(0) == 'P')
|
226 |
// fullCode = code;
|
227 |
// else
|
228 |
// fullCode = "EPSG:" + code;
|
229 |
|
230 |
SpatialReference sr = new SpatialReference();
|
231 |
// Vector<String> vector = new Vector<String>();
|
232 |
// vector.add(code);
|
233 |
// sr.ImportFromWkt(vector);
|
234 |
sr.ImportFromWkt(code); |
235 |
initFromSpatialReference(sr); |
236 |
|
237 |
// String cod = "";
|
238 |
// if (code.length() < 15) {
|
239 |
// code = code.substring(code.indexOf(":") + 1);
|
240 |
// try {
|
241 |
// // Creamos el objeto que tendra los diferentes parametros de la
|
242 |
// // cadena Wkt
|
243 |
// crsWkt = new CrsWkt(fullCode);
|
244 |
// setName(fullCode);
|
245 |
// setAbrev(fullCode);
|
246 |
//
|
247 |
// } catch (NumberFormatException e) {
|
248 |
// logger.error("Can't get Wkt.", e);
|
249 |
// }
|
250 |
// } else {
|
251 |
// String aux;
|
252 |
// String code2 = "";
|
253 |
// for (int i = 0; i < code.length(); i++) {
|
254 |
// aux = "" + code.charAt(i);
|
255 |
// if (!aux.equals(" ")) {
|
256 |
// code2 += aux;
|
257 |
// } else {
|
258 |
// code2 += "";
|
259 |
// }
|
260 |
// }
|
261 |
// crsWkt = new CrsWkt(code2);
|
262 |
// /*
|
263 |
// * Arreglo temporal para ver si funcionan de la iau2000 las
|
264 |
// * proyecciones
|
265 |
// * cilindrica equidistante y oblicua cilindrica equidistante
|
266 |
// * que no estan en gdal, por lo que asignaremos directamente su
|
267 |
// * cadena
|
268 |
// * en proj4 para trabajar con ellas
|
269 |
// */
|
270 |
// if (!crsWkt.getProjection().equals("Equidistant_Cylindrical")
|
271 |
// && !crsWkt.getProjection().equals("Oblique_Cylindrical_Equal_Area")) {
|
272 |
// setName(fullCode);
|
273 |
// // setAbrev(crsWkt.getName());
|
274 |
// setAbrev(crsWkt.getAuthority()[0] + ":" + crsWkt.getAuthority()[1]);
|
275 |
// } else if (crsWkt.getProjection().equals("Equidistant_Cylindrical")) {
|
276 |
// String spheroid1 = crsWkt.getSpheroid()[1];
|
277 |
// String spheroid2 = crsWkt.getSpheroid()[2];
|
278 |
// String centralMeridian = "";
|
279 |
// String falseNorthing = "";
|
280 |
// String falseEasting = "";
|
281 |
// String standardParallel1 = "0.0";
|
282 |
// for (int i = 0; i < crsWkt.getParam_name().length; i++) {
|
283 |
// if (crsWkt.getParam_name()[i].equals("Central_Meridian"))
|
284 |
// centralMeridian = crsWkt.getParam_value()[i];
|
285 |
// if (crsWkt.getParam_name()[i].equals("False_Easting"))
|
286 |
// falseEasting = crsWkt.getParam_value()[i];
|
287 |
// if (crsWkt.getParam_name()[i].equals("False_Northing"))
|
288 |
// falseNorthing = crsWkt.getParam_value()[i];
|
289 |
// if (crsWkt.getParam_name()[i].equals("Standard_Parallel_1"))
|
290 |
// standardParallel1 = crsWkt.getParam_value()[i];
|
291 |
// }
|
292 |
// if (spheroid2.equals("0.0")) {
|
293 |
// proj4String =
|
294 |
// "+proj=eqc +a=" + spheroid1 + " +lon_0=" + centralMeridian + " +x_0=" + falseEasting + " +y_0="
|
295 |
// + falseNorthing + " +lat_ts=" + standardParallel1;
|
296 |
// } else {
|
297 |
// proj4String =
|
298 |
// "+proj=eqc +a=" + spheroid1 + " +rf=" + spheroid2 + " +lon_0=" + centralMeridian + " +x_0="
|
299 |
// + falseEasting + " +y_0=" + falseNorthing + " +lat_ts=" + standardParallel1;
|
300 |
// }
|
301 |
// setName(fullCode);
|
302 |
// // setAbrev(crsWkt.getName());
|
303 |
// setAbrev(crsWkt.getAuthority()[0] + ":" + crsWkt.getAuthority()[1]);
|
304 |
//
|
305 |
// } else if (crsWkt.getProjection().equals("Oblique_Cylindrical_Equal_Area")) {
|
306 |
// String spheroid1 = crsWkt.getSpheroid()[1];
|
307 |
// String spheroid2 = crsWkt.getSpheroid()[2];
|
308 |
// String centralMeridian = "";
|
309 |
// String falseNorthing = "";
|
310 |
// String falseEasting = "";
|
311 |
// String standardParallel1 = "";
|
312 |
// String standardParallel2 = "0.0";
|
313 |
// for (int i = 0; i < crsWkt.getParam_name().length; i++) {
|
314 |
// if (crsWkt.getParam_name()[i].equals("Central_Meridian"))
|
315 |
// centralMeridian = crsWkt.getParam_value()[i];
|
316 |
// if (crsWkt.getParam_name()[i].equals("False_Easting"))
|
317 |
// falseEasting = crsWkt.getParam_value()[i];
|
318 |
// if (crsWkt.getParam_name()[i].equals("False_Northing"))
|
319 |
// falseNorthing = crsWkt.getParam_value()[i];
|
320 |
// if (crsWkt.getParam_name()[i].equals("Standard_Parallel_1"))
|
321 |
// standardParallel1 = crsWkt.getParam_value()[i];
|
322 |
// if (crsWkt.getParam_name()[i].equals("Standard_Parallel_2"))
|
323 |
// standardParallel2 = crsWkt.getParam_value()[i];
|
324 |
// }
|
325 |
// if (spheroid2.equals("0.0")) {
|
326 |
// proj4String =
|
327 |
// "+proj=ocea +a=" + spheroid1 + " +lon_0=" + centralMeridian + " +x_0=" + falseEasting
|
328 |
// + " +y_0=" + falseNorthing + " +lat_1=" + standardParallel1 + " +lat_2="
|
329 |
// + standardParallel2 + " +lon_1=long_1" + " +lon_2=long_2 +no_defs";
|
330 |
// } else {
|
331 |
// proj4String =
|
332 |
// "+proj=ocea +a=" + spheroid1 + " +rf=" + spheroid2 + " +lon_0=" + centralMeridian + " +x_0="
|
333 |
// + falseEasting + " +y_0=" + falseNorthing + " +lat_1=" + standardParallel1 + " +lat_2="
|
334 |
// + standardParallel2 + " +lon_1=long_1" + " +lon_2=long_2 +no_defs";
|
335 |
// }
|
336 |
// setName(fullCode);
|
337 |
// // setAbrev(crsWkt.getName());
|
338 |
// setAbrev(crsWkt.getAuthority()[0] + ":" + crsWkt.getAuthority()[1]);
|
339 |
// }
|
340 |
// }
|
341 |
// // Asignar el datum:
|
342 |
// if (!(crsWkt.getSpheroid()[1].equals("") || crsWkt.getSpheroid()[2].equals(""))) {
|
343 |
// double eSemiMajorAxis = Double.valueOf(crsWkt.getSpheroid()[1]).doubleValue();
|
344 |
// double eIFlattening = Double.valueOf(crsWkt.getSpheroid()[2]).doubleValue();
|
345 |
// datum = new CRSDatum(eSemiMajorAxis, eIFlattening);
|
346 |
//
|
347 |
// // Crs base (en el caso de ser projectado):
|
348 |
// /*
|
349 |
// * if(this.isProjected()){
|
350 |
// * String proj4Base = "+proj=latlong +a=" + crsWkt.getSpheroid()[1]
|
351 |
// * + " +rf=" + crsWkt.getSpheroid()[2] ;
|
352 |
// * crsBase = new CrsProj(proj4Base);
|
353 |
// * }
|
354 |
// */
|
355 |
// }
|
356 |
} |
357 |
|
358 |
/**
|
359 |
* Construye un CRS a partir del c?digo EPSG o de la cadena WKT.
|
360 |
* En el caso de WKT le a?ade a la cadena proj4 el string params.
|
361 |
*
|
362 |
* @param epsg_cod
|
363 |
* @param code
|
364 |
* @param params
|
365 |
* @throws CrsException
|
366 |
*/
|
367 |
public Crs(int epsg_cod, String code, String params) throws CrsException { |
368 |
String fullCode;
|
369 |
setCode(epsg_cod); |
370 |
setWKT(code); |
371 |
if (code.charAt(0) == 'E' || code.charAt(0) == 'G' || code.charAt(0) == 'P') |
372 |
fullCode = code; |
373 |
else
|
374 |
fullCode = "EPSG:" + code;
|
375 |
if (code.length() < 15) { |
376 |
code = code.substring(code.indexOf(":") + 1); |
377 |
try {
|
378 |
// Creamos el objeto que tendra los diferentes parametros de la
|
379 |
// cadena Wkt
|
380 |
crsWkt = new CrsWkt(fullCode);
|
381 |
|
382 |
setName(fullCode); |
383 |
setAbrev(fullCode); |
384 |
|
385 |
} catch (NumberFormatException e) { |
386 |
logger.error("Can't get Wkt.", e);
|
387 |
} |
388 |
} else {
|
389 |
String aux;
|
390 |
String code2 = ""; |
391 |
for (int i = 0; i < code.length(); i++) { |
392 |
aux = "" + code.charAt(i);
|
393 |
if (!aux.equals(" ")) { |
394 |
code2 += aux; |
395 |
} else {
|
396 |
code2 += "";
|
397 |
} |
398 |
} |
399 |
crsWkt = new CrsWkt(code2);
|
400 |
|
401 |
setName(fullCode); |
402 |
// setAbrev(crsWkt.getName());
|
403 |
setAbrev(crsWkt.getAuthority()[0] + ":" + crsWkt.getAuthority()[1]); |
404 |
|
405 |
} |
406 |
// Asignar el datum:
|
407 |
if (!(crsWkt.getSpheroid()[1].equals("") || crsWkt.getSpheroid()[2].equals(""))) { |
408 |
double eSemiMajorAxis = Double.valueOf(crsWkt.getSpheroid()[1]).doubleValue(); |
409 |
double eIFlattening = Double.valueOf(crsWkt.getSpheroid()[2]).doubleValue(); |
410 |
datum = new CRSDatum(eSemiMajorAxis, eIFlattening);
|
411 |
|
412 |
// Crs base (en el caso de ser projectado):
|
413 |
/*
|
414 |
* if(this.isProjected()){
|
415 |
* String proj4Base = "+proj=latlong +a=" + crsWkt.getSpheroid()[1]
|
416 |
* + " +rf=" + crsWkt.getSpheroid()[2] ;
|
417 |
* crsBase = new CrsProj(proj4Base);
|
418 |
* }
|
419 |
*/
|
420 |
} |
421 |
} |
422 |
|
423 |
/*
|
424 |
* public Crs(CrsEpsg source) throws CrsException {
|
425 |
* crsProj4 = source;
|
426 |
* }
|
427 |
*/
|
428 |
|
429 |
/**
|
430 |
* @param code
|
431 |
*/
|
432 |
public void setTrans(String code) { |
433 |
trans = code; |
434 |
changeTrans(trans); |
435 |
} |
436 |
|
437 |
/**
|
438 |
*
|
439 |
* @param code
|
440 |
*/
|
441 |
public void changeTrans(String code) { |
442 |
getCrsProj().changeStrCrs(code); |
443 |
} |
444 |
|
445 |
/**
|
446 |
*
|
447 |
*/
|
448 |
public String getAbrev() { |
449 |
return abrev;
|
450 |
} |
451 |
|
452 |
/**
|
453 |
*
|
454 |
* @param code
|
455 |
*/
|
456 |
protected void setAbrev(String code) { |
457 |
abrev = code; |
458 |
} |
459 |
|
460 |
/**
|
461 |
*
|
462 |
* @param nom
|
463 |
*/
|
464 |
public void setName(String nom) { |
465 |
name = nom; |
466 |
} |
467 |
|
468 |
/**
|
469 |
* @return datum
|
470 |
*/
|
471 |
public IDatum getDatum() {
|
472 |
|
473 |
return datum;
|
474 |
} |
475 |
|
476 |
/**
|
477 |
* @return CrsWkt
|
478 |
*/
|
479 |
public CrsWkt getCrsWkt() {
|
480 |
return crsWkt;
|
481 |
} |
482 |
|
483 |
/**
|
484 |
*
|
485 |
* @param wkt
|
486 |
*/
|
487 |
public void setWKT(String wkt) { |
488 |
this.wkt = wkt;
|
489 |
} |
490 |
|
491 |
/**
|
492 |
* @return wkt
|
493 |
*/
|
494 |
public String getWKT() { |
495 |
return this.wkt; |
496 |
} |
497 |
|
498 |
/**
|
499 |
*
|
500 |
* @param params
|
501 |
*/
|
502 |
public void setTransformationParams(String sourceParams, String targetParams) { |
503 |
this.sourceTrParams = sourceParams;
|
504 |
this.targetTrParams = targetParams;
|
505 |
} |
506 |
|
507 |
/**
|
508 |
* Devuelve los parametros de la transformacion del crs fuente
|
509 |
*
|
510 |
* @return source transformation parameters
|
511 |
*/
|
512 |
public String getSourceTransformationParams() { |
513 |
return this.sourceTrParams; |
514 |
} |
515 |
|
516 |
/**
|
517 |
* Devuelve los parametros de la transformacion del crs destino
|
518 |
*
|
519 |
* @return target transformation parameters
|
520 |
*/
|
521 |
public String getTargetTransformationParams() { |
522 |
return this.targetTrParams; |
523 |
} |
524 |
|
525 |
/**
|
526 |
* @return transformation parameters
|
527 |
*/
|
528 |
public String getTransformationParams() { |
529 |
return this.sourceTrParams; |
530 |
} |
531 |
|
532 |
/**
|
533 |
*
|
534 |
* @return CrsProj
|
535 |
*/
|
536 |
public CrsProj getCrsProj() {
|
537 |
if (crsProj == null) |
538 |
try {
|
539 |
crsProj = new CrsProj(getProj4String());
|
540 |
} catch (CrsException e) {
|
541 |
logger.error("Can't get proj4 string.", e);
|
542 |
} |
543 |
return crsProj;
|
544 |
} |
545 |
|
546 |
/**
|
547 |
* @param x
|
548 |
* @param y
|
549 |
* @return a Point2D
|
550 |
*/
|
551 |
public Point2D createPoint(double x, double y) { |
552 |
return new Point2D.Double(x, y); |
553 |
} |
554 |
|
555 |
/**
|
556 |
* @param g
|
557 |
* @param vp
|
558 |
*/
|
559 |
public void drawGrid(Graphics2D g, ViewPortData vp) { |
560 |
// TODO Auto-generated method stub
|
561 |
|
562 |
} |
563 |
|
564 |
/**
|
565 |
* @param c
|
566 |
*/
|
567 |
public void setGridColor(Color c) { |
568 |
gridColor = c; |
569 |
} |
570 |
|
571 |
/**
|
572 |
* @return grid color
|
573 |
*/
|
574 |
public Color getGridColor() { |
575 |
return gridColor;
|
576 |
} |
577 |
|
578 |
/**
|
579 |
* @param dest
|
580 |
* @return Coordinate transformation
|
581 |
*/
|
582 |
public ICoordTrans getCT(IProjection dest) {
|
583 |
|
584 |
try {
|
585 |
if (dest == this) |
586 |
return null; |
587 |
COperation operation = null;
|
588 |
if (((ICrs) dest).getSourceTransformationParams() != null |
589 |
|| ((ICrs) dest).getTargetTransformationParams() != null)
|
590 |
operation = |
591 |
new COperation(this, (ICrs) dest, ((ICrs) dest).getTargetTransformationParams(), |
592 |
((ICrs) dest).getSourceTransformationParams()); |
593 |
else
|
594 |
operation = new COperation(this, (ICrs) dest, sourceTrParams, targetTrParams); |
595 |
return operation;
|
596 |
} catch (CrsException e) {
|
597 |
logger.error("Can't get CoordTrans.", e);
|
598 |
return null; |
599 |
} |
600 |
|
601 |
/*
|
602 |
* try {
|
603 |
* operation = new COperation(this, (ICrs)dest);
|
604 |
* } catch (CrsException e) {
|
605 |
* // TODO Auto-generated catch block
|
606 |
* logger....
|
607 |
* }
|
608 |
*
|
609 |
* if (getTransformationParams()!=null){
|
610 |
* if (isTargetParams())
|
611 |
* operation.setParamsCrsProj(new
|
612 |
* CrsProj(crsDest.getProj4String()+getTransformationParams()), true);
|
613 |
* else
|
614 |
* operation.setParamsCrsProj(new
|
615 |
* CrsProj(getProj4String()+getTransformationParams()), false);
|
616 |
*
|
617 |
* return operation;
|
618 |
* }
|
619 |
*
|
620 |
* return operation;
|
621 |
*/
|
622 |
} |
623 |
|
624 |
/**
|
625 |
* @param pt
|
626 |
* @return Point2D
|
627 |
*/
|
628 |
public Point2D toGeo(Point2D pt) { |
629 |
if (isProjected()) {
|
630 |
double x[] = { pt.getX() }; |
631 |
double y[] = { pt.getY() }; |
632 |
double z[] = { 0D }; |
633 |
try {
|
634 |
CrsProj.operate(x, y, z, getCrsProj(), crsBase); |
635 |
} catch (OperationCrsException e) {
|
636 |
logger.error("Can't convert point to geo.", e);
|
637 |
} |
638 |
return new Point2D.Double(x[0], y[0]); |
639 |
} else
|
640 |
return pt;
|
641 |
} |
642 |
|
643 |
/**
|
644 |
* @param gPt
|
645 |
* @param mPt
|
646 |
* @return Point2D
|
647 |
*/
|
648 |
public Point2D fromGeo(Point2D gPt, Point2D mPt) { |
649 |
// TODO Auto-generated method stub
|
650 |
return null; |
651 |
} |
652 |
|
653 |
/**
|
654 |
* @return true if is projected
|
655 |
*/
|
656 |
public boolean isProjected() { |
657 |
return !getCrsProj().isLatlong();
|
658 |
} |
659 |
|
660 |
/**
|
661 |
* @param minX
|
662 |
* @param maxX
|
663 |
* @param width
|
664 |
* @param dpi
|
665 |
* @return scale
|
666 |
*/
|
667 |
public double getScale(double minX, double maxX, double width, double dpi) { |
668 |
double scale = 0D; |
669 |
// Esto ahora se hace fuera
|
670 |
// if (!isProjected()) { // Es geogr?fico; calcula la escala.
|
671 |
// scale = ((maxX - minX) * // grados
|
672 |
//
|
673 |
// // 1852.0 metros x minuto de meridiano
|
674 |
// (dpi / 2.54 * 100.0 * 1852.0 * 60.0)) / // px / metro
|
675 |
// width; // pixels
|
676 |
// }
|
677 |
// else{
|
678 |
scale = ((maxX - minX) * // metros
|
679 |
(dpi / 2.54 * 100.0)) |
680 |
/ // px / metro
|
681 |
width; // pixels
|
682 |
// }
|
683 |
return scale;
|
684 |
} |
685 |
|
686 |
/**
|
687 |
* @param minX
|
688 |
* @param maxX
|
689 |
* @param minY
|
690 |
* @param maxY
|
691 |
* @param width
|
692 |
* @param dpi
|
693 |
* @return scale
|
694 |
*/
|
695 |
public double getScale(double minX, double maxX, double minY, double maxY, double width, double dpi) { |
696 |
|
697 |
double scale = 0D; |
698 |
double incX = (maxX - minX);
|
699 |
|
700 |
if (!isProjected()) {
|
701 |
double a = getDatum().getESemiMajorAxis();
|
702 |
double invF = getDatum().getEIFlattening();
|
703 |
double meanY = (minY + maxY) / 2.0; |
704 |
double radius = 0.0; |
705 |
|
706 |
if (invF == Double.POSITIVE_INFINITY) { |
707 |
radius = a; |
708 |
} else {
|
709 |
double e2 = 2.0 / invF - Math.pow(1.0 / invF, 2.0); |
710 |
radius = |
711 |
a / Math.sqrt(1.0 - e2 * Math.pow(Math.sin(meanY * Math.PI / 180.0), 2.0)) |
712 |
* Math.cos(meanY * Math.PI / 180.0); |
713 |
} |
714 |
incX *= Math.PI / 180.0 * radius; |
715 |
} |
716 |
|
717 |
scale = (incX * // metros
|
718 |
(dpi / 2.54 * 100.0)) |
719 |
/ // px / metro
|
720 |
width; // pixels
|
721 |
|
722 |
return scale;
|
723 |
} |
724 |
|
725 |
/**
|
726 |
*
|
727 |
* @param epsg_cod
|
728 |
*/
|
729 |
public void setCode(int epsg_cod) { |
730 |
epsg_code = epsg_cod; |
731 |
} |
732 |
|
733 |
/**
|
734 |
* @return espg code
|
735 |
*/
|
736 |
public int getCode() { |
737 |
// TODO Auto-generated method stub
|
738 |
return epsg_code;
|
739 |
} |
740 |
|
741 |
public String getFullCode() { |
742 |
if (this.sourceTrParams == null && this.targetTrParams == null) |
743 |
return getAbrev();
|
744 |
String sourceParams = ""; |
745 |
String targetParams = ""; |
746 |
if (sourceTrParams != null) |
747 |
sourceParams = sourceTrParams; |
748 |
if (targetTrParams != null) |
749 |
targetParams = targetTrParams; |
750 |
|
751 |
return getAbrev() + ":proj@" + sourceParams + "@" + targetParams; |
752 |
} |
753 |
|
754 |
public Rectangle2D getExtent(Rectangle2D extent, double scale, double wImage, double hImage, double mapUnits, |
755 |
double distanceUnits, double dpi) { |
756 |
double w = 0; |
757 |
double h = 0; |
758 |
double wExtent = 0; |
759 |
double hExtent = 0; |
760 |
// if (isProjected()) {
|
761 |
w = ((wImage / dpi) * 2.54);
|
762 |
h = ((hImage / dpi) * 2.54);
|
763 |
wExtent = w * scale * distanceUnits / mapUnits; |
764 |
hExtent = h * scale * distanceUnits / mapUnits; |
765 |
|
766 |
// En las no proyectadas, ahora viene el calculo hecho
|
767 |
// al haber incluido los grados en el array DISTANCETRANS2METER del
|
768 |
// MapContext
|
769 |
// }else {
|
770 |
// w = ((wImage / dpi) * 2.54);
|
771 |
// h = ((hImage / dpi) * 2.54);
|
772 |
// wExtent =(w*scale*distanceUnits)/ (mapUnits*1852.0*60.0);
|
773 |
// hExtent =(h*scale*distanceUnits)/ (mapUnits*1852.0*60.0);
|
774 |
// }
|
775 |
double xExtent = extent.getCenterX() - wExtent / 2; |
776 |
double yExtent = extent.getCenterY() - hExtent / 2; |
777 |
Rectangle2D rec = new Rectangle2D.Double(xExtent, yExtent, wExtent, hExtent); |
778 |
return rec;
|
779 |
} |
780 |
|
781 |
private Proj4 getProj4() {
|
782 |
if (proj4 == null) |
783 |
try {
|
784 |
proj4 = new Proj4();
|
785 |
} catch (CrsException e) {
|
786 |
logger.error("Can't create Proj4 instance.", e);
|
787 |
} |
788 |
return proj4;
|
789 |
} |
790 |
|
791 |
/**
|
792 |
*
|
793 |
* @return Cadena proj4 Correspondiente al CRS.
|
794 |
* @throws CrsException
|
795 |
*/
|
796 |
public String getProj4String() throws CrsException { |
797 |
if (proj4String == null) |
798 |
proj4String = getProj4().exportToProj4(this);
|
799 |
return proj4String;
|
800 |
} |
801 |
|
802 |
public Object clone() throws CloneNotSupportedException { |
803 |
return CRSFactory.getCRS(this.getFullCode()); |
804 |
} |
805 |
|
806 |
public String toString() { |
807 |
return MessageFormat.format("{0}({1},{2})", |
808 |
new Object[] { this.getClass().getName(), this.hashCode(), this.getFullCode() }); |
809 |
} |
810 |
|
811 |
/*
|
812 |
* (non-Javadoc)
|
813 |
*
|
814 |
* @see org.cresques.cts.IProjection#export(java.lang.String)
|
815 |
*/
|
816 |
public String export(String format) { |
817 |
if (this.spatialReference != null) { |
818 |
if (format.equalsIgnoreCase(ICRSFactory.FORMAT_PROJ4)) {
|
819 |
return spatialReference.ExportToProj4();
|
820 |
} else if (format.equalsIgnoreCase(ICRSFactory.FORMAT_WKT_ESRI)) { |
821 |
if (spatialReference.MorphToESRI() == 0) { |
822 |
return spatialReference.ExportToWkt();
|
823 |
} |
824 |
return null; |
825 |
} else if (format.equalsIgnoreCase(ICRSFactory.FORMAT_WKT)) { |
826 |
return spatialReference.ExportToWkt();
|
827 |
} else {
|
828 |
return null; |
829 |
} |
830 |
} else {
|
831 |
|
832 |
SpatialReference spatialReference = getCrsProj().getSpatialReference(); |
833 |
SpatialReference auxSpatialReference = new SpatialReference();
|
834 |
if (format.equalsIgnoreCase(ICRSFactory.FORMAT_PROJ4)) {
|
835 |
String proj4 = spatialReference.ExportToProj4();
|
836 |
auxSpatialReference.ImportFromProj4(proj4); |
837 |
if (auxSpatialReference.GetAuthorityName(null) != null) { |
838 |
return proj4;
|
839 |
} |
840 |
return null; |
841 |
} else if (format.equalsIgnoreCase(ICRSFactory.FORMAT_WKT_ESRI)) { |
842 |
if (spatialReference.MorphToESRI() == 0) { |
843 |
String esri = spatialReference.ExportToWkt();
|
844 |
Vector<String> vector = new Vector<String>(); |
845 |
vector.add(esri); |
846 |
auxSpatialReference.ImportFromESRI(vector); |
847 |
auxSpatialReference.MorphFromESRI(); |
848 |
if (auxSpatialReference.GetAuthorityName(null) != null) { |
849 |
return esri;
|
850 |
} |
851 |
return null; |
852 |
} |
853 |
return null; |
854 |
} else if (format.equalsIgnoreCase(ICRSFactory.FORMAT_WKT)) { |
855 |
String wkt = spatialReference.ExportToWkt();
|
856 |
auxSpatialReference.ImportFromWkt(wkt); |
857 |
if (auxSpatialReference.GetAuthorityName(null) != null) { |
858 |
return wkt;
|
859 |
} |
860 |
return null; |
861 |
} else {
|
862 |
return null; |
863 |
} |
864 |
} |
865 |
} |
866 |
|
867 |
@Override
|
868 |
public boolean equals(Object obj) { |
869 |
if( this == obj ) { |
870 |
return true; |
871 |
} |
872 |
if( !(obj instanceof Crs) ) { |
873 |
return false; |
874 |
} |
875 |
return this.getFullCode().equalsIgnoreCase(((Crs)obj).getFullCode()); |
876 |
} |
877 |
|
878 |
@Override
|
879 |
public int hashCode() { |
880 |
return this.getFullCode().hashCode(); |
881 |
} |
882 |
} |