/*-
* Copyright 2020 Beuth Hochschule für Technik Berlin, Hochschule für Technik Stuttgart
*
* This file is part of CityDoctor2.
*
* CityDoctor2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* CityDoctor2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with CityDoctor2. If not, see .
*/
package de.hft.stuttgart.citydoctor2.checks.geometry;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import de.hft.stuttgart.citydoctor2.check.Check;
import de.hft.stuttgart.citydoctor2.check.CheckError;
import de.hft.stuttgart.citydoctor2.check.CheckId;
import de.hft.stuttgart.citydoctor2.check.CheckResult;
import de.hft.stuttgart.citydoctor2.check.CheckType;
import de.hft.stuttgart.citydoctor2.check.Checkable;
import de.hft.stuttgart.citydoctor2.check.ResultStatus;
import de.hft.stuttgart.citydoctor2.check.error.NonManifoldEdgeError;
import de.hft.stuttgart.citydoctor2.datastructure.Edge;
import de.hft.stuttgart.citydoctor2.datastructure.Geometry;
import de.hft.stuttgart.citydoctor2.datastructure.GeometryType;
/**
* This class detects half edges with more than two neighbors, i.e.
* non-2-manifold geometries
*
* @author dwagner, alam
*/
public class NonManifoldEdgeCheck extends Check {
private static final List dependencies;
private static final List> applicableToClasses;
static {
ArrayList deps = new ArrayList<>();
deps.add(CheckId.C_GE_R_TOO_FEW_POINTS);
deps.add(CheckId.C_GE_R_NOT_CLOSED);
deps.add(CheckId.C_GE_R_DUPLICATE_POINT);
deps.add(CheckId.C_GE_R_SELF_INTERSECTION);
deps.add(CheckId.C_GE_P_INTERIOR_DISCONNECTED);
deps.add(CheckId.C_GE_P_INTERSECTING_RINGS);
deps.add(CheckId.C_GE_P_NON_PLANAR);
deps.add(CheckId.C_GE_S_TOO_FEW_POLYGONS);
dependencies = Collections.unmodifiableList(deps);
ArrayList> classes = new ArrayList<>();
classes.add(Geometry.class);
applicableToClasses = Collections.unmodifiableList(classes);
}
public NonManifoldEdgeCheck() {
super(CheckId.C_GE_S_NON_MANIFOLD_EDGE);
}
@Override
public void check(Geometry g) {
// only check solids
if (g.getType() != GeometryType.SOLID) {
return;
}
List errorEdges = new ArrayList<>();
for (Edge edge : g.getEdges()) {
if (edge.getNumberOfAllHalfEdges() > 2) {
errorEdges.add(edge);
}
}
CheckResult cr;
if (errorEdges.isEmpty()) {
cr = new CheckResult(this, ResultStatus.OK, null);
} else {
CheckError err = new NonManifoldEdgeError(g, errorEdges);
cr = new CheckResult(this, ResultStatus.ERROR, err);
}
g.addCheckResult(cr);
}
@Override
public List getDependencies() {
return dependencies;
}
@Override
public List> getApplicableToClasses() {
return applicableToClasses;
}
@Override
public CheckType getType() {
return CheckType.GEOMETRY;
}
@Override
public Check createNewInstance() {
return new NonManifoldEdgeCheck();
}
}