private EXGeographicBoundingBox getGeographicBoundingBox(Envelope env, String epsgCode) {
Envelope newEnvelope;
if ("EPSG:4326".equals(epsgCode)) {
newEnvelope = env;
} else {
try {
GeometryFactory gf = new GeometryFactory();
Polygon poly = (Polygon) gf.toGeometry(env);
ST_Transform transformFunction = new ST_Transform();
CoordinateReferenceSystem inputCRS = DataSourceFactory.getCRSFactory().getCRS(epsgCode);
Value val =
transformFunction.evaluate(
null,
ValueFactory.createValue(poly, inputCRS),
ValueFactory.createValue("EPSG:4326"));
newEnvelope = val.getAsGeometry().getEnvelopeInternal();
} catch (FunctionException fe) {
return getDummyGeographic();
} catch (CRSException ex) {
return getDummyGeographic();
}
}
EXGeographicBoundingBox ret = new EXGeographicBoundingBox();
ret.setEastBoundLongitude(newEnvelope.getMaxX());
ret.setWestBoundLongitude(newEnvelope.getMinX());
ret.setNorthBoundLatitude(newEnvelope.getMaxY());
ret.setSouthBoundLatitude(newEnvelope.getMinY());
return ret;
}
private void testIndexRealData(String source, double checkPeriod, DiskRTree tree)
throws NoSuchTableException, DataSourceCreationException, DriverException, IOException,
Exception {
DataSource ds = dsf.getDataSource(source);
String fieldName = "the_geom";
ds.open();
int fieldIndex = ds.getFieldIndexByName(fieldName);
for (int i = 0; i < ds.getRowCount(); i++) {
if (i / (int) checkPeriod == i / checkPeriod) {
tree.checkTree();
tree.close();
tree.openIndex(indexFile);
tree.checkTree();
checkLookUp(tree, ds, fieldIndex);
}
Envelope value = ds.getFieldValue(i, fieldIndex).getAsGeometry().getEnvelopeInternal();
tree.insert(value, i);
}
for (int i = 0; i < ds.getRowCount(); i++) {
if (i / (int) checkPeriod == i / checkPeriod) {
tree.checkTree();
tree.save();
tree.checkTree();
checkLookUp(tree, ds, fieldIndex);
}
Value value = ds.getFieldValue(i, fieldIndex);
tree.delete(value.getAsGeometry().getEnvelopeInternal(), i);
}
ds.close();
}
@Override
public Number[] getScope(int dimension) throws DriverException {
if (cachedScope == null) {
boolean open = isOpen();
if (!open) {
open();
}
for (int i = 0; i < getRowCount(); i++) {
Metadata m = getMetadata();
for (int j = 0; j < m.getFieldCount(); j++) {
int typeCode = m.getFieldType(j).getTypeCode();
Envelope r = null;
if ((typeCode & Type.GEOMETRY) != 0) {
Value v = getFieldValue(i, j);
if ((v != null) && (!v.isNull())) {
r = v.getAsGeometry().getEnvelopeInternal();
}
} else if (typeCode == Type.RASTER) {
Value v = getFieldValue(i, j);
if ((v != null) && (!v.isNull())) {
r = v.getAsRaster().getMetadata().getEnvelope();
}
} else if (typeCode == Type.STREAM) {
Value v = getFieldValue(i, j);
if ((v != null) && (!v.isNull())) {
r = v.getAsStream().getEnvelope();
}
}
if (r != null) {
if (cachedScope == null) {
cachedScope = new Envelope(r);
} else {
cachedScope.expandToInclude(r);
}
}
}
}
if (!open) {
close();
}
}
if (cachedScope == null) {
return new Number[] {0, 0};
} else {
if (dimension == DataSet.X) {
return new Number[] {cachedScope.getMinX(), cachedScope.getMaxX()};
} else if (dimension == DataSet.Y) {
return new Number[] {cachedScope.getMinY(), cachedScope.getMaxY()};
} else {
throw new UnsupportedOperationException("Not yet implemented");
}
}
}
