svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / operation / towkb / ToWKB.java @ 40416
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package org.gvsig.fmap.geom.operation.towkb; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.operation.GeometryOperation; |
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import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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import org.gvsig.fmap.geom.util.Converter; |
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import com.vividsolutions.jts.io.WKBWriter; |
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public class ToWKB extends GeometryOperation { |
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public static final String NAME = "toWKB"; |
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public static final int CODE = GeometryLocator.getGeometryManager().getGeometryOperationCode(NAME); |
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private static WKBWriter writer = null; |
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private static int dimension = 2; |
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public Object invoke(Geometry geom, GeometryOperationContext ctx) { |
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int subType = geom.getGeometryType().getSubType();
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boolean is3D = subType == 1 || subType == 3; |
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if(writer == null) { |
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if(is3D) {
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dimension = 3;
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writer = new WKBWriter(3); |
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} else {
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dimension = 2;
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writer = new WKBWriter();
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} |
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} else {
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if(is3D && dimension == 2) { |
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dimension = 3;
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writer = new WKBWriter(3); |
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} |
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if(!is3D && dimension == 3) { |
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dimension = 2;
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writer = new WKBWriter();
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} |
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} |
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if (ctx == null){ |
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return writer.write(Converter.geometryToJts(geom));
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} |
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return writer.write(Converter.geometryToJtsWithSRID(geom,
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((ToWKBOperationContext) ctx).getSrID())); |
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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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} |