Revision 436 org.gvsig.projection.jcrs/trunk/org.gvsig.projection.jcrs/org.gvsig.projection.jcrs.lib/src/main/java/org/gvsig/crs/COperation.java
| COperation.java | ||
|---|---|---|
| 43 | 43 |
import java.awt.geom.Point2D; |
| 44 | 44 |
import java.awt.geom.Rectangle2D; |
| 45 | 45 |
|
| 46 |
import org.cresques.cts.CoordTransRuntimeException; |
|
| 46 | 47 |
import org.cresques.cts.ICoordTrans; |
| 47 | 48 |
import org.cresques.cts.IProjection; |
| 48 | 49 |
import org.gdal.gdal.gdal; |
| ... | ... | |
| 167 | 168 |
|
| 168 | 169 |
double[] transformed = { 0, 0, 0 };
|
| 169 | 170 |
initializeCoordinateTransformation(); |
| 170 |
if (coordinateTransformation != null) {
|
|
| 171 |
transformed = coordinateTransformation.TransformPoint(x, y); |
|
| 171 |
gdal.PushErrorHandler( "CPLQuietErrorHandler" ); |
|
| 172 |
gdal.ErrorReset(); |
|
| 173 |
if (coordinateTransformation != null) { // && inverseCoordinateTransformation != null) {
|
|
| 174 |
coordinateTransformation.TransformPoint(transformed, x, y, 0); |
|
| 172 | 175 |
} |
| 173 | 176 |
|
| 177 |
gdal.PopErrorHandler(); |
|
| 174 | 178 |
errno = gdal.GetLastErrorNo(); |
| 175 | 179 |
msg = gdal.GetLastErrorMsg(); |
| 176 | 180 |
errtype = gdal.GetLastErrorType(); |
| 177 | 181 |
|
| 178 | 182 |
Point2D.Double result = null; |
| 179 |
if (errno != 0 && errtype != 0) {
|
|
| 180 |
//FIXME: |
|
| 183 |
if (errno != 0 || errtype != 0 || !msg.isEmpty()) {
|
|
| 184 |
// FIXME:
|
|
| 181 | 185 |
// gdal no devuelve m?s de 20 errores por transformaci?n, |
| 182 | 186 |
// si queremos de los devuelva todos tenemos que anular la |
| 183 | 187 |
// transformaci?n cada vez que se produce un error |
| 184 |
// coordinateTransformation = null; |
|
| 185 |
// Adem?s, no podemos hacer nada por los puntos que devuelve |
|
| 186 |
// la transformaci?n cuando ha tenido un error. |
|
| 187 |
// Lo suyo ser?a elevar una excepci?n y quien la recoja que decida qu? dabe hacer con el punto, |
|
| 188 |
// por ejemplo, si se est? dibujando una geometr?a, tal vez, no habr?a que dibujarla o saltarse los |
|
| 189 |
// puntos que no se pueden transformar. |
|
| 188 |
if (msg |
|
| 189 |
.equalsIgnoreCase("Reprojection failed, err = -14, further errors will be supressed on the transform object.")) {
|
|
| 190 |
resetCoordinateTransformation(); |
|
| 191 |
} |
|
| 190 | 192 |
|
| 191 |
gdal.ErrorReset(); |
|
| 192 |
|
|
| 193 |
throw new CoordTransRuntimeException(sourceCrs, targetCrs, x, y); |
|
| 193 | 194 |
} |
| 194 | 195 |
result = new Point2D.Double(transformed[0], transformed[1]); |
| 195 | 196 |
return result; |
| ... | ... | |
| 197 | 198 |
|
| 198 | 199 |
private void initializeCoordinateTransformation() {
|
| 199 | 200 |
if (coordinateTransformation == null) {
|
| 201 |
|
|
| 202 |
int errno = 0; |
|
| 203 |
String msg = ""; |
|
| 204 |
int errtype = 0; |
|
| 205 |
|
|
| 206 |
gdal.ErrorReset(); |
|
| 207 |
gdal.PushErrorHandler( "CPLQuietErrorHandler" ); |
|
| 200 | 208 |
coordinateTransformation = |
| 201 | 209 |
CoordinateTransformation.CreateCoordinateTransformation(source.getSpatialReference(), |
| 202 | 210 |
target.getSpatialReference()); |
| 211 |
gdal.PopErrorHandler(); |
|
| 212 |
errno = gdal.GetLastErrorNo(); |
|
| 213 |
msg = gdal.GetLastErrorMsg(); |
|
| 214 |
errtype = gdal.GetLastErrorType(); |
|
| 215 |
if (errno != 0 || errtype != 0 || !msg.isEmpty()) {
|
|
| 216 |
logger.warn("Can't initialize coordinate transformation from "+sourceCrs.getAbrev()+" to "+targetCrs.getAbrev()+" "+errno + " "+errtype+" "+msg+".");
|
|
| 217 |
} |
|
| 203 | 218 |
} |
| 204 | 219 |
} |
| 205 | 220 |
|
| 221 |
private void resetCoordinateTransformation() {
|
|
| 222 |
coordinateTransformation = null; |
|
| 223 |
initializeCoordinateTransformation(); |
|
| 224 |
} |
|
| 225 |
|
|
| 206 | 226 |
public IProjection getPOrig() {
|
| 207 | 227 |
return (IProjection) sourceCrs; |
| 208 | 228 |
} |
| ... | ... | |
| 211 | 231 |
return (IProjection) targetCrs; |
| 212 | 232 |
} |
| 213 | 233 |
|
| 214 |
public Point2D convert(Point2D ptOrig, Point2D ptDest) {
|
|
| 234 |
public Point2D convert(Point2D ptOrig, Point2D ptDest) throws CoordTransRuntimeException {
|
|
| 215 | 235 |
try {
|
| 216 | 236 |
ptDest = operate(ptOrig); |
| 217 | 237 |
} catch (CrsException e) {
|
| ... | ... | |
| 224 | 244 |
return ptDest; |
| 225 | 245 |
} |
| 226 | 246 |
|
| 227 |
public Rectangle2D convert(Rectangle2D rect) {
|
|
| 247 |
public Rectangle2D convert(Rectangle2D rect) throws CoordTransRuntimeException {
|
|
| 228 | 248 |
Point2D pt1 = new Point2D.Double(rect.getMinX(), rect.getMinY()); |
| 229 | 249 |
Point2D pt2 = new Point2D.Double(rect.getMaxX(), rect.getMaxY()); |
| 230 | 250 |
Point2D pt3 = new Point2D.Double(rect.getMinX(), rect.getMaxY()); |
Also available in: Unified diff