Revision 25686 branches/v2_0_0_prep/libraries/libFMap_geometries/src/org/gvsig/fmap/geom/operation/relationship/Intersects.java
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.operation.tojts.ToJTS; |
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import org.gvsig.fmap.geom.primitive.NullGeometry; |
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/** |
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* @author jmvivo |
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* |
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*/ |
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public class Intersects extends GeometryOperation {
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public static final int CODE = GeometryManager.getInstance()
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.registerGeometryOperation("intersects", new Intersects());
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public static final int CODE = GeometryManager.getInstance()
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.registerGeometryOperation("intersects", new Intersects());
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.fmap.geom.operation.GeometryOperation#getOperationIndex()
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*/
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public int getOperationIndex() {
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return CODE;
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}
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.fmap.geom.operation.GeometryOperation#getOperationIndex()
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*/
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public int getOperationIndex() {
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return CODE;
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}
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.fmap.geom.operation.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry,
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* org.gvsig.fmap.geom.operation.GeometryOperationContext)
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*/
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public Object invoke(Geometry geom, GeometryOperationContext ctx)
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throws GeometryOperationException {
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DefaultRelationshipGeometryOperationContext myCtx = null;
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myCtx = (DefaultRelationshipGeometryOperationContext) ctx;
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.fmap.geom.operation.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry,
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* org.gvsig.fmap.geom.operation.GeometryOperationContext)
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*/
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public Object invoke(Geometry geom, GeometryOperationContext ctx)
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throws GeometryOperationException {
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DefaultRelationshipGeometryOperationContext myCtx = null;
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myCtx = (DefaultRelationshipGeometryOperationContext) ctx;
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Geometry otherGeom = myCtx.getGeom();
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if (!otherGeom.getEnvelope().intersects(myCtx.getGeom().getEnvelope())){
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return new Boolean(false);
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}
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// TODO optimizar esto para los rectangulos (envelope)
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com.vividsolutions.jts.geom.Geometry jtsGeom = null;
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com.vividsolutions.jts.geom.Geometry otherJtsGeom = null;
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try {
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jtsGeom = (com.vividsolutions.jts.geom.Geometry) geom
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.invokeOperation(ToJTS.CODE, null);
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} catch (GeometryOperationNotSupportedException e) {
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throw new GeometryOperationException(geom.getType(), CODE, e);
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}
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try {
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Geometry otherGeom = myCtx.getGeom();
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if (otherGeom instanceof NullGeometry || geom instanceof NullGeometry || !otherGeom.getEnvelope().intersects(geom.getEnvelope())){
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return new Boolean(false);
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}
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// TODO optimizar esto para los rectangulos (envelope)
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com.vividsolutions.jts.geom.Geometry jtsGeom = null;
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com.vividsolutions.jts.geom.Geometry otherJtsGeom = null;
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try {
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jtsGeom = (com.vividsolutions.jts.geom.Geometry) geom
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.invokeOperation(ToJTS.CODE, null);
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} catch (GeometryOperationNotSupportedException e) {
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throw new GeometryOperationException(geom.getType(), CODE, e);
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}
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try {
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otherJtsGeom = (com.vividsolutions.jts.geom.Geometry) otherGeom
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.invokeOperation(ToJTS.CODE, null);
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} catch (GeometryOperationNotSupportedException e) {
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throw new GeometryOperationException(otherGeom.getType(), CODE, e);
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}
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if (jtsGeom!=null && otherJtsGeom!=null)
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return new Boolean(jtsGeom.intersects(otherJtsGeom));
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return new Boolean(false);
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}
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otherJtsGeom = (com.vividsolutions.jts.geom.Geometry) otherGeom
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.invokeOperation(ToJTS.CODE, null);
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} catch (GeometryOperationNotSupportedException e) {
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throw new GeometryOperationException(otherGeom.getType(), CODE, e);
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}
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if (jtsGeom!=null && otherJtsGeom!=null)
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return new Boolean(jtsGeom.intersects(otherJtsGeom));
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return new Boolean(false);
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}
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} |
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