Revision 359 org.gvsig.projection.jcrs/trunk/org.gvsig.projection.jcrs/org.gvsig.projection.jcrs.lib/src/main/java/org/gvsig/crs/COperation.java
| COperation.java | ||
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.crs.proj.CrsProj; |
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import org.gvsig.crs.proj.JNIBaseCrs; |
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import org.gvsig.crs.proj.OperationCrsException; |
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import org.gdal.gdal.gdal; |
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import org.gdal.osr.CoordinateTransformation; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.crs.proj.CrsProj; |
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import org.gvsig.crs.proj.OperationCrsException; |
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/** |
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* Clase que implementa las operaciones de tranformacion de coordenadas entre |
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* dos CRSs. |
| ... | ... | |
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// public class COperation implements ICOperation {
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public class COperation implements ICoordTrans {
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private static final Logger logger = LoggerFactory |
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.getLogger(COperation.class); |
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/** |
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* CRS Fuente |
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*/ |
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private ICrs sourceCrs; |
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/** |
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* CRS Destino |
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*/ |
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private ICrs targetCrs; |
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/** |
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* CRS con los par?metros de transformaci?n (puede representar el CRS fuente |
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* o destino, dependiendo de <code>paramsInTarget</code>). |
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*/ |
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private CrsProj paramsCrsProj = null; |
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/** |
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* Indica si los par?metros de transformaci?n van asociados al CRS fuente ( |
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* <code>false</code>) o al destino (<code>true</code>) |
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*/ |
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private boolean paramsInTarget; |
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private static final Logger logger = LoggerFactory.getLogger(COperation.class); |
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/** |
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* CRS Fuente |
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*/ |
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private ICrs sourceCrs; |
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/** |
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* CRS Destino |
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*/ |
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private ICrs targetCrs; |
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/** |
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* CRS con los par?metros de transformaci?n (puede representar el CRS fuente |
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* o destino, dependiendo de <code>paramsInTarget</code>). |
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*/ |
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private CrsProj paramsCrsProj = null; |
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/** |
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* Indica si los par?metros de transformaci?n van asociados al CRS fuente ( |
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* <code>false</code>) o al destino (<code>true</code>) |
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*/ |
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private boolean paramsInTarget; |
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/**
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* par?metros de transformaci?n para el CRS fuente en el formato proj4
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*/
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private String sourceParams = null;
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/**
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* par?metros de transformaci?n para el CRS fuente en el formato proj4
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*/
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private String sourceParams = null;
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/**
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* par?metros de transformaci?n para el CRS destino en el formato proj4
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*/
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private String targetParams = null;
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/**
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* par?metros de transformaci?n para el CRS destino en el formato proj4
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*/
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private String targetParams = null;
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private CrsProj source = null;
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private CrsProj source = null;
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private CrsProj target = null;
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private CrsProj target = null;
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/** |
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* Constructor. |
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* |
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* @param from |
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* CRS fuente. |
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* @param to |
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* CRS destino. |
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* @throws CrsException |
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*/ |
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public COperation(ICrs from, ICrs to) throws CrsException {
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sourceCrs = from; |
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targetCrs = to; |
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source = sourceCrs.getCrsProj(); |
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target = targetCrs.getCrsProj(); |
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} |
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private CoordinateTransformation coordinateTransformation = null; |
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/** |
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* Construcctor. |
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* |
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* @param sourceCrs |
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* CRS fuente. |
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* @param targetCrs |
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* CRS destino. |
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* @param sourceParams |
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* Par?metros de transformaci?n para la fuente (en formato |
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* proj4). |
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* @param targetParams |
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* Par?metros de transformaci?n para el destino (en formato |
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* proj4). |
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* @throws CrsException |
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*/ |
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public COperation(ICrs sourceCrs, ICrs targetCrs, String sourceParams, |
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String targetParams) throws CrsException {
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this.sourceCrs = sourceCrs; |
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this.targetCrs = targetCrs; |
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this.sourceParams = sourceParams; |
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this.targetParams = targetParams; |
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/** |
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* Constructor. |
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* |
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* @param from |
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* CRS fuente. |
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* @param to |
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* CRS destino. |
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* @throws CrsException |
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*/ |
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public COperation(ICrs from, ICrs to) throws CrsException {
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sourceCrs = from; |
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targetCrs = to; |
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source = sourceCrs.getCrsProj(); |
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target = targetCrs.getCrsProj(); |
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} |
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if (sourceParams != null) |
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source = new CrsProj(sourceCrs.getProj4String() + sourceParams); |
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else |
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source = sourceCrs.getCrsProj(); |
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if (targetParams != null) |
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target = new CrsProj(targetCrs.getProj4String() + targetParams); |
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else |
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target = targetCrs.getCrsProj(); |
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} |
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/** |
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* Construcctor. |
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* |
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* @param sourceCrs |
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* CRS fuente. |
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* @param targetCrs |
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* CRS destino. |
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* @param sourceParams |
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* Par?metros de transformaci?n para la fuente (en formato |
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* proj4). |
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* @param targetParams |
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* Par?metros de transformaci?n para el destino (en formato |
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* proj4). |
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* @throws CrsException |
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*/ |
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public COperation(ICrs sourceCrs, ICrs targetCrs, String sourceParams, String targetParams) throws CrsException {
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this.sourceCrs = sourceCrs; |
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this.targetCrs = targetCrs; |
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this.sourceParams = sourceParams; |
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this.targetParams = targetParams; |
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/** |
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* Realiza la operaci?n de transformaci?n sobre un punto. Si exiten |
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* par?metros de transformaci?n (<code>paramsCrsProj</code>) se utilizan en |
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* lugar del CRS fuente o destino, seg?n indique <code>paramsInTarget</code> |
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* . |
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* |
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* @throws OperationCrsException |
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* |
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*/ |
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private Point2D operate(Point2D pt) throws CrsException, |
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OperationCrsException {
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double x[] = { pt.getX() };
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double y[] = { pt.getY() };
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double z[] = { 0D };
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int errno = 0; |
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if (sourceParams != null) |
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source = new CrsProj(sourceCrs.getProj4String() + sourceParams); |
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else |
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source = sourceCrs.getCrsProj(); |
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if (targetParams != null) |
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target = new CrsProj(targetCrs.getProj4String() + targetParams); |
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else |
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target = targetCrs.getCrsProj(); |
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} |
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try {
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errno = JNIBaseCrs.operate(x, y, z, source, target); |
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} catch (OperationCrsException e) {
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// Parche para arreglar posible error al transformar de latlong a proyectadas cuando la y es +/- 90 |
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if (e.getErrno() == -20) {
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source.reloadCrs(); |
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target.reloadCrs(); |
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if (!sourceCrs.isProjected() && targetCrs.isProjected()) {
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if (Math.abs((pt.getY() - 90.0)) < 0.000000001) {
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x[0] = pt.getX(); |
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y[0] = 89.99999999; |
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z[0] = 0D; |
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errno = JNIBaseCrs.operate(x, y, z, source, target); |
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} else if (Math.abs(pt.getY() + 90.0) < 0.000000001) {
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x[0] = pt.getX(); |
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y[0] = -89.99999999; |
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z[0] = 0D; |
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errno = JNIBaseCrs.operate(x, y, z, source, target); |
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} |
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} |
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} |
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} |
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if (errno != -38) // "failed to load NAD27-83 correction file" |
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// (pj_strerrno.c) |
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return new Point2D.Double(x[0], y[0]); |
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else {
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x[0] = pt.getX(); |
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y[0] = pt.getY(); |
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z[0] = 0D; |
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try {
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errno = JNIBaseCrs.operate(x, y, z, sourceCrs.getCrsProj(), |
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targetCrs.getCrsProj()); |
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} catch (OperationCrsException e) {
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if (e.getErrno() == -20) {
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if (!sourceCrs.isProjected() && targetCrs.isProjected()) {
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if (Math.abs((pt.getY() - 90.0)) < 0.000000001) {
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x[0] = pt.getX(); |
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y[0] = 89.99999999; |
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z[0] = 0D; |
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errno = JNIBaseCrs.operate(x, y, z, |
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sourceCrs.getCrsProj(), |
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targetCrs.getCrsProj()); |
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} else if (Math.abs(pt.getY() + 90.0) < 0.000000001) {
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x[0] = pt.getX(); |
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y[0] = -89.99999999; |
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z[0] = 0D; |
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errno = JNIBaseCrs.operate(x, y, z, |
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sourceCrs.getCrsProj(), |
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targetCrs.getCrsProj()); |
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} |
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} |
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} |
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} |
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return new Point2D.Double(x[0], y[0]); |
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} |
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/** |
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* Realiza la operaci?n de transformaci?n sobre un punto. Si exiten |
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* par?metros de transformaci?n (<code>paramsCrsProj</code>) se utilizan en |
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* lugar del CRS fuente o destino, seg?n indique <code>paramsInTarget</code> |
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* . |
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* |
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* @throws OperationCrsException |
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* |
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*/ |
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private Point2D operate(Point2D pt) throws CrsException, OperationCrsException {
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double x = pt.getX(); |
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double y = pt.getY(); |
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/* |
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* if (paramsCrsProj != null){ if (paramsInTarget) errno =
|
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* JNIBaseCrs.operate( x , y, z,sourceCrs.getCrsProj(), paramsCrsProj); |
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* else errno = JNIBaseCrs.operate( x , y, |
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* z,paramsCrsProj,targetCrs.getCrsProj()); if (errno != -38) // |
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* "failed to load NAD27-83 correction file" (pj_strerrno.c) return new |
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* Point2D.Double(x[0],y[0]); } |
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* |
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* // Si el punto estaba fuera del ?mbito del nadgrid operamos sin |
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* nadgrid (convertimos) x[0] = pt.getX(); y[0] = pt.getY(); z[0] = 0D; |
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* JNIBaseCrs.operate( x , y, z,sourceCrs.getCrsProj(), |
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* targetCrs.getCrsProj()); return new Point2D.Double(x[0],y[0]); |
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*/ |
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// System.out.println("x="+x[0]+"y="+y[0]);
|
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// if(!targetCrs.isProjected()) |
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// return new Point2D.Double(x[0]*((180)/Math.PI),y[0]*((180)/Math.PI)); |
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// else |
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} |
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int errno = 0; |
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String msg = ""; |
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int errtype = 0; |
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/** |
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* Realiza la operaci?n de transformaci?n sobre un punto. Si exiten |
|
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* par?metros de transformaci?n (<code>paramsCrsProj</code>) se utilizan en |
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* lugar del CRS fuente o destino, seg?n indique <code>paramsInTarget</code> |
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* . |
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* |
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* @throws CrsException |
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* |
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*/ |
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// TODO Eliminar este m?todo. Me vale con el operate(Point2D). |
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private double[] operate(double[] ptOrig) throws OperationCrsException, |
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CrsException {
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double x[] = { ptOrig[0] };
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double y[] = { ptOrig[1] };
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double z[] = { ptOrig[2] };
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int errno = 0; |
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double[] transformed = { 0, 0, 0 };
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initializeCoordinateTransformation(); |
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if (coordinateTransformation != null) {
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transformed = coordinateTransformation.TransformPoint(x, y); |
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} |
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CrsProj source; |
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CrsProj target; |
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if (sourceParams != null) |
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source = new CrsProj(sourceCrs.getProj4String() + sourceParams); |
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else |
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source = sourceCrs.getCrsProj(); |
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if (targetParams != null) |
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target = new CrsProj(targetCrs.getProj4String() + targetParams); |
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else |
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target = targetCrs.getCrsProj(); |
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errno = gdal.GetLastErrorNo(); |
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msg = gdal.GetLastErrorMsg(); |
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errtype = gdal.GetLastErrorType(); |
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| 267 | 177 |
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errno = JNIBaseCrs.operate(x, y, z, source, target); |
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if (errno != -38) { // "failed to load NAD27-83 correction file"
|
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// (pj_strerrno.c) |
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double ptDest[] = { x[0], y[0], z[0] };
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return ptDest; |
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} |
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Point2D.Double result = null; |
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if (errno != 0 && errtype != 0) {
|
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//FIXME: |
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// gdal no devuelve m?s de 20 errores por transformaci?n, |
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// si queremos de los devuelva todos tenemos que anular la |
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// transformaci?n cada vez que se produce un error |
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// coordinateTransformation = null; |
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// Adem?s, no podemos hacer nada por los puntos que devuelve |
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// la transformaci?n cuando ha tenido un error. |
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// Lo suyo ser?a elevar una excepci?n y quien la recoja que decida qu? dabe hacer con el punto, |
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// por ejemplo, si se est? dibujando una geometr?a, tal vez, no habr?a que dibujarla o saltarse los |
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// puntos que no se pueden transformar. |
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/* |
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* if (paramsCrsProj != null){ if (paramsInTarget) errno =
|
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* JNIBaseCrs.operate( x , y, z,sourceCrs.getCrsProj(), paramsCrsProj); |
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* else errno = JNIBaseCrs.operate( x , y, |
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* z,paramsCrsProj,targetCrs.getCrsProj()); if (errno != -38){ //
|
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* "failed to load NAD27-83 correction file" (pj_strerrno.c) double |
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* ptDest[] = {x[0], y[0], z[0]}; return ptDest; } }
|
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*/ |
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gdal.ErrorReset(); |
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| 283 | 192 |
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// Si el punto estaba fuera del ?mbito del nadgrid operamos sin nadgrid |
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// (convertimos) |
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x[0] = ptOrig[0]; |
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y[0] = ptOrig[1]; |
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z[0] = ptOrig[2]; |
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JNIBaseCrs.operate(x, y, z, sourceCrs.getCrsProj(), |
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targetCrs.getCrsProj()); |
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double ptDest[] = { x[0], y[0], z[0] };
|
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return ptDest; |
|
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} |
|
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} |
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result = new Point2D.Double(transformed[0], transformed[1]); |
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return result; |
|
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} |
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| 294 | 197 |
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public IProjection getPOrig() {
|
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return (IProjection) sourceCrs; |
|
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} |
|
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private void initializeCoordinateTransformation() {
|
|
| 199 |
if (coordinateTransformation == null) {
|
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coordinateTransformation = |
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CoordinateTransformation.CreateCoordinateTransformation(source.getSpatialReference(), |
|
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target.getSpatialReference()); |
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} |
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} |
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| 298 | 205 |
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public IProjection getPDest() {
|
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return (IProjection) targetCrs;
|
|
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}
|
|
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public IProjection getPOrig() {
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return (IProjection) sourceCrs;
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}
|
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| 302 | 209 |
|
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public Point2D convert(Point2D ptOrig, Point2D ptDest) {
|
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| 304 |
try {
|
|
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ptDest = operate(ptOrig); |
|
| 306 |
} catch (CrsException e) {
|
|
| 307 |
logger.error("Can't operate over point orig (" + ptOrig.toString()
|
|
| 308 |
+ ").", e); |
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| 309 |
throw new IllegalStateException(e.getMessage()); |
|
| 310 |
} catch (OperationCrsException e) {
|
|
| 311 |
logger.error("Can't operate over point orig (" + ptOrig.toString()
|
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| 312 |
+ ").", e); |
|
| 313 |
throw new IllegalStateException(e.getMessage()); |
|
| 314 |
} |
|
| 315 |
return ptDest; |
|
| 316 |
} |
|
| 210 |
public IProjection getPDest() {
|
|
| 211 |
return (IProjection) targetCrs; |
|
| 212 |
} |
|
| 317 | 213 |
|
| 318 |
public Rectangle2D convert(Rectangle2D rect) {
|
|
| 319 |
Point2D pt1 = new Point2D.Double(rect.getMinX(), rect.getMinY()); |
|
| 320 |
Point2D pt2 = new Point2D.Double(rect.getMaxX(), rect.getMaxY()); |
|
| 321 |
Point2D pt3 = new Point2D.Double(rect.getMinX(), rect.getMaxY()); |
|
| 322 |
Point2D pt4 = new Point2D.Double(rect.getMaxX(), rect.getMinY()); |
|
| 323 |
try {
|
|
| 324 |
pt1 = operate(pt1); |
|
| 325 |
pt2 = operate(pt2); |
|
| 326 |
pt3 = operate(pt3); |
|
| 327 |
pt4 = operate(pt4); |
|
| 328 |
} catch (CrsException e) {
|
|
| 329 |
logger.error("Can't operate over rect (" + rect.toString() + ").",
|
|
| 330 |
e); |
|
| 331 |
throw new IllegalStateException(e.getMessage()); |
|
| 332 |
} catch (OperationCrsException e) {
|
|
| 333 |
logger.error("Can't operate over rect (" + rect.toString() + ").",
|
|
| 334 |
e); |
|
| 335 |
throw new IllegalStateException(e.getMessage()); |
|
| 336 |
} |
|
| 214 |
public Point2D convert(Point2D ptOrig, Point2D ptDest) {
|
|
| 215 |
try {
|
|
| 216 |
ptDest = operate(ptOrig); |
|
| 217 |
} catch (CrsException e) {
|
|
| 218 |
logger.error("Can't operate over point orig (" + ptOrig.toString() + ").", e);
|
|
| 219 |
throw new IllegalStateException(e.getMessage()); |
|
| 220 |
} catch (OperationCrsException e) {
|
|
| 221 |
logger.error("Can't operate over point orig (" + ptOrig.toString() + ").", e);
|
|
| 222 |
throw new IllegalStateException(e.getMessage()); |
|
| 223 |
} |
|
| 224 |
return ptDest; |
|
| 225 |
} |
|
| 337 | 226 |
|
| 338 |
double min_x = Math.min(Math.min(pt1.getX(), pt2.getX()), |
|
| 339 |
Math.min(pt3.getX(), pt4.getX())); |
|
| 340 |
double min_y = Math.min(Math.min(pt1.getY(), pt2.getY()), |
|
| 341 |
Math.min(pt3.getY(), pt4.getY())); |
|
| 342 |
double max_x = Math.max(Math.max(pt1.getX(), pt2.getX()), |
|
| 343 |
Math.max(pt3.getX(), pt4.getX())); |
|
| 344 |
double max_y = Math.max(Math.max(pt1.getY(), pt2.getY()), |
|
| 345 |
Math.max(pt3.getY(), pt4.getY())); |
|
| 227 |
public Rectangle2D convert(Rectangle2D rect) {
|
|
| 228 |
Point2D pt1 = new Point2D.Double(rect.getMinX(), rect.getMinY()); |
|
| 229 |
Point2D pt2 = new Point2D.Double(rect.getMaxX(), rect.getMaxY()); |
|
| 230 |
Point2D pt3 = new Point2D.Double(rect.getMinX(), rect.getMaxY()); |
|
| 231 |
Point2D pt4 = new Point2D.Double(rect.getMaxX(), rect.getMinY()); |
|
| 232 |
try {
|
|
| 233 |
pt1 = operate(pt1); |
|
| 234 |
pt2 = operate(pt2); |
|
| 235 |
pt3 = operate(pt3); |
|
| 236 |
pt4 = operate(pt4); |
|
| 237 |
} catch (CrsException e) {
|
|
| 238 |
logger.error("Can't operate over rect (" + rect.toString() + ").", e);
|
|
| 239 |
throw new IllegalStateException(e.getMessage()); |
|
| 240 |
} catch (OperationCrsException e) {
|
|
| 241 |
logger.error("Can't operate over rect (" + rect.toString() + ").", e);
|
|
| 242 |
throw new IllegalStateException(e.getMessage()); |
|
| 243 |
} |
|
| 346 | 244 |
|
| 347 |
return new Rectangle2D.Double(min_x, min_y, max_x - min_x, max_y |
|
| 348 |
- min_y); |
|
| 349 |
} |
|
| 245 |
double min_x = Math.min(Math.min(pt1.getX(), pt2.getX()), Math.min(pt3.getX(), pt4.getX())); |
|
| 246 |
double min_y = Math.min(Math.min(pt1.getY(), pt2.getY()), Math.min(pt3.getY(), pt4.getY())); |
|
| 247 |
double max_x = Math.max(Math.max(pt1.getX(), pt2.getX()), Math.max(pt3.getX(), pt4.getX())); |
|
| 248 |
double max_y = Math.max(Math.max(pt1.getY(), pt2.getY()), Math.max(pt3.getY(), pt4.getY())); |
|
| 350 | 249 |
|
| 351 |
public ICoordTrans getInverted() {
|
|
| 352 |
COperation operation; |
|
| 353 |
try {
|
|
| 354 |
operation = new COperation(targetCrs, sourceCrs, targetParams, |
|
| 355 |
sourceParams); |
|
| 356 |
return operation; |
|
| 357 |
} catch (CrsException e) {
|
|
| 358 |
logger.error("Can't get operation.", e);
|
|
| 359 |
return null; |
|
| 360 |
} |
|
| 361 |
} |
|
| 362 |
/* |
|
| 363 |
* public void setParamsCrsProj(CrsProj paramsCrs, boolean inTarget){
|
|
| 364 |
* this.paramsInTarget = inTarget; this.paramsCrsProj = paramsCrs; } |
|
| 365 |
*/ |
|
| 250 |
return new Rectangle2D.Double(min_x, min_y, max_x - min_x, max_y - min_y); |
|
| 251 |
} |
|
| 252 |
|
|
| 253 |
public ICoordTrans getInverted() {
|
|
| 254 |
COperation operation; |
|
| 255 |
try {
|
|
| 256 |
operation = new COperation(targetCrs, sourceCrs, targetParams, sourceParams); |
|
| 257 |
return operation; |
|
| 258 |
} catch (CrsException e) {
|
|
| 259 |
logger.error("Can't get operation.", e);
|
|
| 260 |
return null; |
|
| 261 |
} |
|
| 262 |
} |
|
| 263 |
/* |
|
| 264 |
* public void setParamsCrsProj(CrsProj paramsCrs, boolean inTarget){
|
|
| 265 |
* this.paramsInTarget = inTarget; this.paramsCrsProj = paramsCrs; } |
|
| 266 |
*/ |
|
| 366 | 267 |
} |
Also available in: Unified diff