svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / layers / vectorial / CrossEnvelopeEvaluator.java @ 40372
History | View | Annotate | Download (3.61 KB)
1 |
package org.gvsig.fmap.mapcontext.layers.vectorial; |
---|---|
2 |
|
3 |
import org.cresques.cts.IProjection; |
4 |
|
5 |
import org.gvsig.fmap.dal.exception.DataEvaluatorRuntimeException; |
6 |
import org.gvsig.fmap.dal.feature.Feature; |
7 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
8 |
import org.gvsig.fmap.dal.feature.FeatureType; |
9 |
import org.gvsig.fmap.geom.Geometry; |
10 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
11 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
12 |
import org.gvsig.fmap.geom.primitive.Envelope; |
13 |
import org.gvsig.tools.evaluator.AbstractEvaluator; |
14 |
import org.gvsig.tools.evaluator.EvaluatorData; |
15 |
import org.gvsig.tools.evaluator.EvaluatorException; |
16 |
|
17 |
public class CrossEnvelopeEvaluator extends AbstractEvaluator { |
18 |
|
19 |
private Envelope envelope;
|
20 |
private String geomName; |
21 |
private Envelope envelopeTrans;
|
22 |
private boolean isDefault; |
23 |
private String srs; |
24 |
private String envelopeWKT; |
25 |
|
26 |
public CrossEnvelopeEvaluator(Envelope envelope,
|
27 |
IProjection envelopeProjection, FeatureType featureType, |
28 |
String geomName) {
|
29 |
FeatureAttributeDescriptor fad = (FeatureAttributeDescriptor) featureType |
30 |
.get(geomName); |
31 |
|
32 |
this.isDefault = featureType.getDefaultGeometryAttributeName().equals(
|
33 |
geomName); |
34 |
this.envelope = envelope;
|
35 |
// this.srs = envelopeProjection.getAbrev();
|
36 |
// this.projection=CRSFactory.getCRS(fad.getSRS());
|
37 |
// this.envelopeProjection=envelopeProjection;
|
38 |
// ICoordTrans ct = null;
|
39 |
// if (!this.srs.equals(fad.getSRS())) { // FIXME comparaci�n
|
40 |
// ct = envelopeProjection.getCT(fad.getSRS());
|
41 |
// }
|
42 |
// if (ct != null) {
|
43 |
// this.envelopeTrans = envelope.convert(ct);
|
44 |
// } else {
|
45 |
this.envelopeTrans = envelope;
|
46 |
// }
|
47 |
this.geomName = geomName;
|
48 |
this.srs = envelopeProjection.getAbrev();
|
49 |
|
50 |
this.getFieldsInfo().addMatchFieldValue(geomName, envelopeTrans);
|
51 |
|
52 |
} |
53 |
|
54 |
public Object evaluate(EvaluatorData data) throws EvaluatorException { |
55 |
if (isDefault) {
|
56 |
Feature feature = (Feature) data.getContextValue("feature");
|
57 |
// return new Boolean(envelopeTrans.contains(feature
|
58 |
// .getDefaultEnvelope())
|
59 |
// || envelopeTrans.intersects(feature.getDefaultEnvelope()));
|
60 |
// System.out.println("== Filter[" + envelopeTrans.getLowerCorner()[0]
|
61 |
// + "," + envelopeTrans.getLowerCorner()[1] + "] ["
|
62 |
// + envelopeTrans.getUpperCorner()[0] + ","
|
63 |
// + envelopeTrans.getUpperCorner()[1] + "]");
|
64 |
|
65 |
Envelope featureEnvelope = feature.getDefaultEnvelope(); |
66 |
// System.out.println("== Geom ["
|
67 |
// + featureEnvelope.getLowerCorner()[0]
|
68 |
// + "," + featureEnvelope.getLowerCorner()[1] + "] ["
|
69 |
// + featureEnvelope.getUpperCorner()[0] + ","
|
70 |
// + featureEnvelope.getUpperCorner()[1] + "]");
|
71 |
Boolean r = new Boolean(envelopeTrans.intersects(featureEnvelope)); |
72 |
// System.out.println("==3 "+r);
|
73 |
return r;
|
74 |
|
75 |
} else {
|
76 |
Geometry geom = (Geometry) data.getDataValue(geomName); |
77 |
// return new Boolean(envelopeTrans.contains(geom.getEnvelope())
|
78 |
// || envelopeTrans.intersects(geom.getEnvelope()));
|
79 |
|
80 |
return new Boolean(envelopeTrans.intersects(geom.getEnvelope())); |
81 |
|
82 |
} |
83 |
} |
84 |
|
85 |
public String getName() { |
86 |
return "contains in envelope"; |
87 |
} |
88 |
|
89 |
public String getSQL() { |
90 |
if (envelopeWKT == null) { |
91 |
try {
|
92 |
envelopeWKT = envelope.getGeometry().convertToWKT(); |
93 |
} catch (GeometryOperationNotSupportedException e) {
|
94 |
throw new DataEvaluatorRuntimeException(e); |
95 |
} catch (GeometryOperationException e) {
|
96 |
throw new DataEvaluatorRuntimeException(e); |
97 |
} |
98 |
} |
99 |
|
100 |
return " intersects(GeomFromText('" + envelopeWKT + "', '" + srs |
101 |
+ "'), envelope(" + geomName + ")) "; |
102 |
} |
103 |
|
104 |
} |