Revision 10627 trunk/libraries/libFMap/src/com/iver/cit/gvsig/fmap/spatialindex/RTreeSptLib.java
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*/ |
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private static final int defaultPageSize = 32 * 1024; |
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private static final double defaultFillFactor = 0.85d; |
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/** |
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* Size of memory buffer of the index |
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*/ |
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* @param fileName name of the rtree spatial index file |
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* @throws SpatialIndexException |
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*/ |
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public RTreeSptLib(boolean overwriteFile, String fileName) |
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throws SpatialIndexException {
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try {
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diskfile = new DiskStorageManager(ps); |
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load(); |
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} catch (SecurityException e) {
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throw new SpatialIndexException("No tenemos permisos de escritura?", e);
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//throw new SpatialIndexException("No tenemos permisos de escritura?", e);
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throw new SpatialIndexException(); |
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} catch (FileNotFoundException e) {
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throw new SpatialIndexException("El fichero no existe", e);
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//throw new SpatialIndexException("El fichero no existe", e);
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throw new SpatialIndexException(); |
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} catch (IOException e) {
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throw new SpatialIndexException("Error de I/O", e);
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//throw new SpatialIndexException("Error de I/O", e);
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throw new SpatialIndexException(); |
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} |
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} |
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/** |
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* If the spatial index file exists and has content |
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*/ |
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public boolean exists(){
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return (new File(rtreeFile+".dat").length() != 0); |
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} |
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class RTreeVisitor implements IVisitor{
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ArrayList solution = new ArrayList(); |
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public void visitNode(INode n) {
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} |
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} |
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public List query(Rectangle2D rect) {
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List solution = null; |
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Region region = createRegion(rect); |
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* Warn! This RTree implemention doesnt care if 'index' |
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* entry has been indexed yet |
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*/ |
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public void insert(Rectangle2D rect, int index) {
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public void insert(Rectangle2D rect, int index) {
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rtree.insertData(null, createRegion(rect), index); |
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} |
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private Region createRegion(Rectangle2D rect){
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Region region = null; |
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double xmin = rect.getMinX(); |
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return solution; |
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} |
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public void flush(){
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rtree.flush(); |
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} |
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public static void main(String[] args){
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try {
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File file = new File("c:/kk/pruebartree.idx");
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rtree.insert(new Rectangle2D.Double(0,0, 40, 48540), 6); |
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rtree.insert(new Rectangle2D.Double(0,0, 6330, 56400), 7); |
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rtree.flush(); |
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} catch (SpatialIndexException e) {
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e.printStackTrace(); |
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System.exit(-1); |
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} |
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} |
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public void load() {
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