1 package org.simantics.plant3d.geometry;
3 import java.util.Collection;
4 import java.util.Collections;
7 import javax.vecmath.Point3d;
8 import javax.vecmath.Vector3d;
10 import org.jcae.opencascade.jni.TopoDS_Shape;
11 import org.simantics.db.Resource;
12 import org.simantics.g3d.math.MathTools;
13 import org.simantics.g3d.shape.ArcCylinder;
14 import org.simantics.g3d.shape.Mesh;
15 import org.simantics.opencascade.OccTriangulator;
17 //public class ElbowGeometryProvider extends BuiltinGeometryProvider {
18 public class ElbowGeometryProvider extends BuiltinMeshProvider {
20 public ElbowGeometryProvider(Resource resource) {
24 private double radius = 0.01;
25 private double turnRadius = 0.05;
26 private double turnAngle = Math.PI * 0.5;
29 public Collection<TopoDS_Shape> getModel() throws Exception {
30 if (radius < MathTools.NEAR_ZERO || turnRadius < MathTools.NEAR_ZERO)
31 return Collections.emptyList();
32 double t = Math.tan((Math.PI - turnAngle) * 0.5);
34 if (t > MathTools.NEAR_ZERO)
36 TopoDS_Shape shape = OccTriangulator.makeTorus(new double[]{-R,0.0,-turnRadius}, new double[] { 0.0, 1.0, 0.0 }, turnRadius, radius,0.0,Math.PI*2.0,turnAngle);
37 // System.out.println("Create elbow tr:" + turnRadius + " r:" + radius + " angle:" +turnAngle + " " + R);
38 return Collections.singletonList(shape);
42 public Mesh getMesh() {
43 if (radius < MathTools.NEAR_ZERO || turnRadius < MathTools.NEAR_ZERO)
45 double t = Math.tan((Math.PI - turnAngle) * 0.5);
47 if (t > MathTools.NEAR_ZERO)
49 ArcCylinder cyl = new ArcCylinder();
51 //return cyl.create(new Point3d(-R, 0.0, -turnRadius), new Point3d(0.0,turnRadius,0.0), new Point3d(-R, 0.0, turnRadius), radius, 16, 0.2);
52 return cyl.create(new Point3d(-R, 0.0, -turnRadius), new Vector3d(0.0,1.0,0.0), new Vector3d(0.0,0.0, 1.0),turnRadius, radius, turnAngle,16, 0.2);
56 public void setProperties(Map<String, Object> props) {
57 if (props.containsKey("turnRadius"))
58 turnRadius = (Double)props.get("turnRadius");
59 if (props.containsKey("turnAngle"))
60 turnAngle = (Double)props.get("turnAngle");
61 if (props.containsKey("radius")) {
62 radius = (Double)props.get("radius");
64 if (radius < MathTools.NEAR_ZERO)
65 radius = MathTools.NEAR_ZERO;
69 public void updateCalculatedProperties(Map<String, Object> returnProps) {
70 double t = Math.tan((Math.PI - turnAngle) * 0.5);
72 if (t > MathTools.NEAR_ZERO)
74 returnProps.put("length", R);