svn-gvsig-desktop / trunk / libraries / libTopology / src / org / gvsig / topology / topologyrules / jtsisvalidrules / GeometryMustNotHaveFewPoints.java @ 18995
History | View | Annotate | Download (4.12 KB)
1 |
/*
|
---|---|
2 |
* Created on 10-abr-2006
|
3 |
*
|
4 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
5 |
*
|
6 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
7 |
*
|
8 |
* This program is free software; you can redistribute it and/or
|
9 |
* modify it under the terms of the GNU General Public License
|
10 |
* as published by the Free Software Foundation; either version 2
|
11 |
* of the License, or (at your option) any later version.
|
12 |
*
|
13 |
* This program is distributed in the hope that it will be useful,
|
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
16 |
* GNU General Public License for more details.
|
17 |
*
|
18 |
* You should have received a copy of the GNU General Public License
|
19 |
* along with this program; if not, write to the Free Software
|
20 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
21 |
*
|
22 |
* For more information, contact:
|
23 |
*
|
24 |
* Generalitat Valenciana
|
25 |
* Conselleria d'Infraestructures i Transport
|
26 |
* Av. Blasco Ib??ez, 50
|
27 |
* 46010 VALENCIA
|
28 |
* SPAIN
|
29 |
*
|
30 |
* +34 963862235
|
31 |
* gvsig@gva.es
|
32 |
* www.gvsig.gva.es
|
33 |
*
|
34 |
* or
|
35 |
*
|
36 |
* IVER T.I. S.A
|
37 |
* Salamanca 50
|
38 |
* 46005 Valencia
|
39 |
* Spain
|
40 |
*
|
41 |
* +34 963163400
|
42 |
* dac@iver.es
|
43 |
*/
|
44 |
/* CVS MESSAGES:
|
45 |
*
|
46 |
* $Id:
|
47 |
* $Log:
|
48 |
*/
|
49 |
package org.gvsig.topology.topologyrules.jtsisvalidrules; |
50 |
|
51 |
import org.gvsig.topology.AbstractTopologyRule; |
52 |
import org.gvsig.topology.Messages; |
53 |
import org.gvsig.topology.Topology; |
54 |
import org.gvsig.topology.TopologyError; |
55 |
import org.gvsig.topology.TopologyRuleDefinitionException; |
56 |
import org.gvsig.topology.topologyrules.JtsValidRule; |
57 |
|
58 |
import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
59 |
import com.iver.cit.gvsig.fmap.core.FShape; |
60 |
import com.iver.cit.gvsig.fmap.core.IFeature; |
61 |
import com.iver.cit.gvsig.fmap.core.IGeometry; |
62 |
import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
63 |
import com.vividsolutions.jts.geom.Geometry; |
64 |
import com.vividsolutions.jts.geomgraph.GeometryGraph; |
65 |
|
66 |
/**
|
67 |
* This rule checks that every geometry has at least the minimun number of points
|
68 |
* to correctly define it.
|
69 |
* For example:
|
70 |
*
|
71 |
* a) a polyline2d at least must have two points.
|
72 |
* b) a polygon2d at least must have three non collinear points.
|
73 |
*
|
74 |
*
|
75 |
* @author Alvaro Zabala
|
76 |
*
|
77 |
*/
|
78 |
public class GeometryMustNotHaveFewPoints extends AbstractTopologyRule{ |
79 |
|
80 |
private JtsValidRule parentRule;
|
81 |
|
82 |
|
83 |
public JtsValidRule getParentRule() {
|
84 |
return parentRule;
|
85 |
} |
86 |
|
87 |
public void setParentRule(JtsValidRule parentRule) { |
88 |
this.parentRule = parentRule;
|
89 |
} |
90 |
|
91 |
public GeometryMustNotHaveFewPoints(FLyrVect originLyr) {
|
92 |
super(originLyr);
|
93 |
} |
94 |
|
95 |
public GeometryMustNotHaveFewPoints(){}
|
96 |
|
97 |
public GeometryMustNotHaveFewPoints(Topology topology, FLyrVect originLyr) {
|
98 |
super(topology, originLyr);
|
99 |
} |
100 |
|
101 |
|
102 |
public String getName() { |
103 |
return Messages.getText("GEOMETRY_MUST_NOT_HAVE_FEW_POINTS"); |
104 |
} |
105 |
|
106 |
public void checkPreconditions() throws TopologyRuleDefinitionException { |
107 |
int shapeType;
|
108 |
try {
|
109 |
shapeType = this.originLyr.getShapeType();
|
110 |
switch(shapeType){
|
111 |
case FShape.POINT:
|
112 |
case FShape.TEXT:
|
113 |
case FShape.MULTIPOINT:
|
114 |
throw new TopologyRuleDefinitionException("La regla Few Points no aplica sobre capas de puntos"); |
115 |
} |
116 |
} catch (ReadDriverException e) {
|
117 |
throw new TopologyRuleDefinitionException("Error al tratar de verificar el tipo de geometria"); |
118 |
} |
119 |
} |
120 |
|
121 |
public void validateFeature(IFeature feature) { |
122 |
IGeometry geometry = feature.getGeometry(); |
123 |
Geometry jtsGeo = geometry.toJTSGeometry(); |
124 |
if(jtsGeo.getDimension() == 0) |
125 |
return;
|
126 |
GeometryGraph graph = new GeometryGraph(0, jtsGeo ); |
127 |
if (graph.hasTooFewPoints()) {//TODO JTS NO CONTEMPLA CURVAS....VER SI ES MEJOR DEFINIR ESTO CON FMAP |
128 |
AbstractTopologyRule violatedRule = null;
|
129 |
if(this.parentRule != null) |
130 |
violatedRule = parentRule; |
131 |
else
|
132 |
violatedRule = this;
|
133 |
TopologyError error = new TopologyError(geometry, violatedRule, feature, topology );
|
134 |
this.errorContainer.addTopologyError(error);
|
135 |
}//if
|
136 |
} |
137 |
} |