Revision 42478 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.geometry/org.gvsig.fmap.geometry.jts/src/main/java/org/gvsig/fmap/geom/jts/operation/fromwkb/WKBParser3.java
| WKBParser3.java | ||
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import org.gvsig.fmap.geom.primitive.OrientablePrimitive; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Primitive; |
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import org.gvsig.fmap.geom.primitive.Ring; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import com.vividsolutions.jts.io.WKBConstants; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.Polygon; |
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* have neither call by reference nor multiple return values.) |
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* |
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* @param value |
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* @return
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* @return |
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* @throws CreateGeometryException |
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*/ |
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public synchronized Geometry parse(byte[] value) throws CreateGeometryException {
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* Parse a geometry starting at offset. |
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* |
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* @param data |
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* @return
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* @return |
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* @throws CreateGeometryException |
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*/ |
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protected Geometry parseGeometry(ByteBuffer data) throws CreateGeometryException {
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*/ |
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private int getSubType(boolean haveZ, boolean haveM) {
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int subtype; |
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if( haveZ ) {
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if( haveM ) {
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subtype = Geometry.SUBTYPES.GEOM3DM; |
| ... | ... | |
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int subType = getSubType(gHaveZ, gHaveM); |
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MultiPrimitive multipolygon = geomManager.createMultiPolygon(subType); |
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Point point; |
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for (int i = 0; i < count; i++) {
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Polygon polygon = geomManager.createPolygon(subType); |
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parseTypeAndSRID(data); |
| ... | ... | |
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if( nring==0 ) {
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ring = polygon; |
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} else {
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ring = geomManager.createLine(subType);
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ring = (Ring) geomManager.create(Geometry.TYPES.RING,subType);
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} |
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double[][] points = parsePointsAsDoubleArray(data, gHaveZ, gHaveM);
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Point[] points = parsePointsAsPointsArray(data, gHaveZ, gHaveM);
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ring.ensureCapacity(points.length); |
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ring.ensureCapacity(points.length);
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int lastPoint = points.length - 1; |
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for (int k = 0; k < lastPoint; k++) {
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point = geomManager.createPoint(points[k][0], points[k][1], subType); |
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if (gHaveZ) {
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point.setCoordinateAt(Geometry.DIMENSIONS.Z, points[0][2]); |
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} |
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if (gHaveM) {
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point.setCoordinateAt(point.getDimension()-1, points[0][3]); |
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} |
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ring.addVertex(point); |
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for (int k = 0; k <= lastPoint; k++) {
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ring.addVertex(points[k]); |
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} |
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if( nring!=0 ) {
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polygon.addInteriorRing((Line) ring);
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polygon.addInteriorRing((Ring)ring);
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} |
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} |
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multipolygon.addPrimitive(polygon); |
| ... | ... | |
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return multipolygon; |
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} |
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private double[][] parsePointsAsDoubleArray(ByteBuffer data, boolean haveZ,
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boolean haveM) throws CreateGeometryException {
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int count = data.getInt();
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double points[][] = null;
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int subtype = getSubType(haveZ, haveM);
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private Point[] parsePointsAsPointsArray(ByteBuffer data, boolean haveZ,
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boolean haveM) throws CreateGeometryException {
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int count = data.getInt(); |
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Point points[] = new Point[count];
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int subtype = getSubType(haveZ, haveM); |
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for (int i = 0; i < count; i++) {
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points[i] = geomManager.createPoint(data.getDouble(), data.getDouble(), subtype); |
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switch (subtype) {
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case Geometry.SUBTYPES.GEOM2D: |
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points = new double[count][2]; |
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break; |
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case Geometry.SUBTYPES.GEOM3D: |
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points[i].setCoordinateAt(Geometry.DIMENSIONS.Z, data.getDouble()); // z |
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break; |
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case Geometry.SUBTYPES.GEOM2DM: |
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points = new double[count][3];
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points[i].setCoordinateAt(points[i].getDimension()-1, data.getDouble()); // m
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break; |
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case Geometry.SUBTYPES.GEOM3DM: |
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points = new double[count][4]; |
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points[i].setCoordinateAt(Geometry.DIMENSIONS.Z, data.getDouble()); // z |
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points[i].setCoordinateAt(points[i].getDimension()-1, data.getDouble()); // m |
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break; |
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default: |
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break; |
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} |
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for (int i = 0; i < count; i++) {
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points[i][0] = data.getDouble(); // x |
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points[i][1] = data.getDouble(); // y |
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switch (subtype) {
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case Geometry.SUBTYPES.GEOM3D: |
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case Geometry.SUBTYPES.GEOM2DM: |
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points[i][2] = data.getDouble(); // z or m |
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break; |
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case Geometry.SUBTYPES.GEOM3DM: |
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points[i][2] = data.getDouble(); // z |
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points[i][3] = data.getDouble(); // m |
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break; |
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default: |
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break; |
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} |
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//TODO: Remove when M be supported |
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if (haveZ && haveM) {
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data.getDouble(); |
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} |
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} |
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return points; |
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} |
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return points; |
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} |
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private MultiPrimitive parseCollection(ByteBuffer data) throws CreateGeometryException {
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int count = data.getInt(); |
| ... | ... | |
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fillLinearRing(data, polygon, haveZ, haveM); |
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for (int i = 1; i < count; i++) {
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Line ring = geomManager.createLine(subType);
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Ring ring = (Ring) geomManager.create(Geometry.TYPES.RING, subType);
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fillLinearRing(data, ring, haveZ, haveM); |
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polygon.addInteriorRing(ring); |
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} |
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return polygon; |
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} |
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private void fillLinearRing(ByteBuffer data, OrientablePrimitive orientablePrimitive, boolean haveZ, boolean haveM) throws CreateGeometryException {
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private void fillLinearRing(ByteBuffer data, OrientablePrimitive ring, boolean haveZ, boolean haveM) |
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throws CreateGeometryException {
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Point[] points = parsePointArray(data, haveZ, haveM); |
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orientablePrimitive.ensureCapacity(points.length); |
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int lastPoint = points.length - 1; |
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for (int i = 0; i < lastPoint; i++) {
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orientablePrimitive.addVertex(points[i]); |
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ring.ensureCapacity(points.length); |
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for (int i = 0; i <= lastPoint; i++) {
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ring.addVertex(points[i]); |
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} |
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} |
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