Revision 264 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.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/** |
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* Clase que implementa las operaciones de tranformacion de |
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* coordenadas entre dos CRSs.
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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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* |
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* @author Miguel Garc?a Jim?nez (garciajimenez.miguel@gmail.com) |
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* @author Diego Guerrero Sevilla (diego.guerrero@uclm.es) |
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* |
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*/ |
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//public class COperation implements ICOperation { |
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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.getLogger(COperation.class); |
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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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*/ |
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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 |
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* CRS fuente o destino, dependiendo de <code>paramsInTarget</code>).
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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 |
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* fuente (<code>false</code>) o al destino (<code>true</code>)
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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 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 target = null; |
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/** |
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* Constructor. |
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* |
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* @param from CRS fuente. |
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* @param to CRS destino. |
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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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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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/** |
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* Construcctor. |
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* |
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* @param sourceCrs CRS fuente. |
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* @param targetCrs CRS destino. |
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* @param sourceParams Par?metros de transformaci?n para la fuente (en formato proj4). |
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* @param targetParams Par?metros de transformaci?n para el destino (en formato proj4). |
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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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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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if(sourceParams != null) |
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source = new CrsProj(sourceCrs.getProj4String()+sourceParams);
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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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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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* Realiza la operaci?n de transformaci?n sobre un punto. |
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* Si exiten par?metros de transformaci?n (<code>paramsCrsProj</code>) se utilizan |
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* en lugar del CRS fuente o destino, seg?n indique <code>paramsInTarget</code>. |
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* @throws OperationCrsException |
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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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double z[] = {0D}; |
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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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errno = JNIBaseCrs.operate( x , y, z,source,target); |
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if (errno != -38) // "failed to load NAD27-83 correction file" (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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JNIBaseCrs.operate( x , y, z,sourceCrs.getCrsProj(), targetCrs.getCrsProj()); |
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return new Point2D.Double(x[0],y[0]); |
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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 (paramsCrsProj != null){ |
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if (paramsInTarget) |
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errno = JNIBaseCrs.operate( x , y, z,sourceCrs.getCrsProj(), paramsCrsProj); |
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else |
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errno = JNIBaseCrs.operate( x , y, z,paramsCrsProj,targetCrs.getCrsProj()); |
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if (errno != -38) // "failed to load NAD27-83 correction file" (pj_strerrno.c) |
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return new 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 nadgrid (convertimos) |
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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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JNIBaseCrs.operate( x , y, z,sourceCrs.getCrsProj(), targetCrs.getCrsProj()); |
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return new Point2D.Double(x[0],y[0]);*/ |
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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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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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* 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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/** |
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* Realiza la operaci?n de transformaci?n sobre un punto. |
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* Si exiten par?metros de transformaci?n (<code>paramsCrsProj</code>) se utilizan |
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* en lugar del CRS fuente o destino, seg?n indique <code>paramsInTarget</code>. |
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* @throws CrsException |
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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, 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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// 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; |
200 | 256 |
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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 = JNIBaseCrs.operate( x , y, z,source,target); |
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if (errno != -38){ // "failed to load NAD27-83 correction file" (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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217 |
|
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/*if (paramsCrsProj != null){ |
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219 |
if (paramsInTarget) |
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errno = JNIBaseCrs.operate( x , y, z,sourceCrs.getCrsProj(), paramsCrsProj); |
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else |
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errno = JNIBaseCrs.operate( x , y, z,paramsCrsProj,targetCrs.getCrsProj()); |
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if (errno != -38){ // "failed to load NAD27-83 correction file" (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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}*/ |
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// Si el punto estaba fuera del ?mbito del nadgrid operamos sin nadgrid (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(), targetCrs.getCrsProj()); |
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double ptDest[] = {x[0], y[0], z[0]}; |
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return ptDest; |
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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 = 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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272 |
return ptDest; |
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273 |
} |
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274 |
|
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275 |
/* |
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276 |
* 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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// Si el punto estaba fuera del ?mbito del nadgrid operamos sin nadgrid |
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// (convertimos) |
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286 |
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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236 | 293 |
} |
237 | 294 |
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238 | 295 |
public IProjection getPOrig() { |
239 |
return (IProjection)sourceCrs; |
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296 |
return (IProjection) sourceCrs;
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240 | 297 |
} |
241 | 298 |
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242 | 299 |
public IProjection getPDest() { |
243 |
return (IProjection)targetCrs; |
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300 |
return (IProjection) targetCrs;
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244 | 301 |
} |
245 | 302 |
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246 |
public Point2D convert(Point2D ptOrig, Point2D ptDest){ |
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303 |
public Point2D convert(Point2D ptOrig, Point2D ptDest) {
|
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247 | 304 |
try { |
248 | 305 |
ptDest = operate(ptOrig); |
249 | 306 |
} catch (CrsException e) { |
250 |
logger.error("Can't operate over point orig ("+ptOrig.toString()+").",e); |
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logger.error("Can't operate over point orig (" + ptOrig.toString() |
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308 |
+ ").", e); |
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251 | 309 |
throw new IllegalStateException(e.getMessage()); |
252 |
}catch (OperationCrsException e) { |
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logger.error("Can't operate over point orig ("+ptOrig.toString()+").",e); |
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310 |
} catch (OperationCrsException e) { |
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311 |
logger.error("Can't operate over point orig (" + ptOrig.toString() |
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312 |
+ ").", e); |
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254 | 313 |
throw new IllegalStateException(e.getMessage()); |
255 | 314 |
} |
256 | 315 |
return ptDest; |
... | ... | |
259 | 318 |
public Rectangle2D convert(Rectangle2D rect) { |
260 | 319 |
Point2D pt1 = new Point2D.Double(rect.getMinX(), rect.getMinY()); |
261 | 320 |
Point2D pt2 = new Point2D.Double(rect.getMaxX(), rect.getMaxY()); |
262 |
Point2D pt3 = new Point2D.Double(rect.getMinX(), rect.getMaxY());
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263 |
Point2D pt4 = new Point2D.Double(rect.getMaxX(), rect.getMinY());
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321 |
Point2D pt3 = new Point2D.Double(rect.getMinX(), rect.getMaxY());
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|
322 |
Point2D pt4 = new Point2D.Double(rect.getMaxX(), rect.getMinY());
|
|
264 | 323 |
try { |
265 | 324 |
pt1 = operate(pt1); |
266 |
pt2 = operate(pt2);
|
|
267 |
pt3 = operate(pt3);
|
|
268 |
pt4 = operate(pt4);
|
|
325 |
pt2 = operate(pt2);
|
|
326 |
pt3 = operate(pt3);
|
|
327 |
pt4 = operate(pt4);
|
|
269 | 328 |
} catch (CrsException e) { |
270 |
logger.error("Can't operate over rect ("+rect.toString()+").",e); |
|
329 |
logger.error("Can't operate over rect (" + rect.toString() + ").", |
|
330 |
e); |
|
271 | 331 |
throw new IllegalStateException(e.getMessage()); |
272 |
}catch (OperationCrsException e) { |
|
273 |
logger.error("Can't operate over rect ("+rect.toString()+").",e); |
|
332 |
} catch (OperationCrsException e) { |
|
333 |
logger.error("Can't operate over rect (" + rect.toString() + ").", |
|
334 |
e); |
|
274 | 335 |
throw new IllegalStateException(e.getMessage()); |
275 | 336 |
} |
276 |
|
|
277 |
double min_x = Math.min( |
|
278 |
Math.min(pt1.getX(), pt2.getX()), |
|
279 |
Math.min(pt3.getX(), pt4.getX())); |
|
280 |
double min_y = Math.min( |
|
281 |
Math.min(pt1.getY(), pt2.getY()), |
|
282 |
Math.min(pt3.getY(), pt4.getY())); |
|
283 |
double max_x = Math.max( |
|
284 |
Math.max(pt1.getX(), pt2.getX()), |
|
285 |
Math.max(pt3.getX(), pt4.getX())); |
|
286 |
double max_y = Math.max( |
|
287 |
Math.max(pt1.getY(), pt2.getY()), |
|
288 |
Math.max(pt3.getY(), pt4.getY())); |
|
289 |
|
|
290 |
return new Rectangle2D.Double( |
|
291 |
min_x, min_y, max_x - min_x, max_y - min_y); |
|
337 |
|
|
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())); |
|
346 |
|
|
347 |
return new Rectangle2D.Double(min_x, min_y, max_x - min_x, max_y |
|
348 |
- min_y); |
|
292 | 349 |
} |
293 | 350 |
|
294 |
|
|
295 | 351 |
public ICoordTrans getInverted() { |
296 | 352 |
COperation operation; |
297 | 353 |
try { |
298 |
operation = new COperation(targetCrs, sourceCrs,targetParams,sourceParams); |
|
354 |
operation = new COperation(targetCrs, sourceCrs, targetParams, |
|
355 |
sourceParams); |
|
299 | 356 |
return operation; |
300 | 357 |
} catch (CrsException e) { |
301 |
logger.error("Can't get operation.",e); |
|
358 |
logger.error("Can't get operation.", e);
|
|
302 | 359 |
return null; |
303 | 360 |
} |
304 | 361 |
} |
305 |
/* |
|
306 |
public void setParamsCrsProj(CrsProj paramsCrs, boolean inTarget){ |
|
307 |
this.paramsInTarget = inTarget; |
|
308 |
this.paramsCrsProj = paramsCrs; |
|
309 |
} |
|
310 |
*/ |
|
362 |
/* |
|
363 |
* public void setParamsCrsProj(CrsProj paramsCrs, boolean inTarget){ |
|
364 |
* this.paramsInTarget = inTarget; this.paramsCrsProj = paramsCrs; } |
|
365 |
*/ |
|
311 | 366 |
} |
Also available in: Unified diff