org.simantics.plant3d/src/org/simantics/plant3d/geometry/ElbowGeometryProvider.java

   1 package org.simantics.plant3d.geometry;
   2
   3 import java.util.Collection;
   4 import java.util.Collections;
   5 import java.util.Map;
   6
   7 import javax.vecmath.Point3d;
   8 import javax.vecmath.Vector3d;
   9
  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;
  16
  17 //public class ElbowGeometryProvider extends BuiltinGeometryProvider  {
  18 public class ElbowGeometryProvider extends BuiltinMeshProvider {
  19
  20         public ElbowGeometryProvider(Resource resource) {
  21                 super(resource);
  22         }
  23
  24         private double radius = 0.01;
  25         private double turnRadius = 0.05;
  26         private double turnAngle = Math.PI * 0.5;
  27
  28 //      @Override
  29         public Collection<TopoDS_Shape> getModel() throws Exception {
  30                 double t = Math.tan((Math.PI - turnAngle) * 0.5);
  31                 double R = 0.0;
  32                 if (t > MathTools.NEAR_ZERO)
  33                         R = turnRadius / t;
  34                 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);
  35 //              System.out.println("Create elbow tr:" + turnRadius + " r:" + radius + " angle:"  +turnAngle + " " + R);
  36                 return Collections.singletonList(shape);
  37         }
  38
  39 //      @Override
  40         public Mesh getMesh() {
  41                 double t = Math.tan((Math.PI - turnAngle) * 0.5);
  42                 double R = 0.0;
  43                 if (t > MathTools.NEAR_ZERO)
  44                         R = turnRadius / t;
  45                 ArcCylinder cyl = new ArcCylinder();
  46
  47                 //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);
  48                 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);
  49         }
  50
  51         @Override
  52         public void setProperties(Map<String, Object> props) {
  53                 if (props.containsKey("turnRadius"))
  54                         turnRadius = (Double)props.get("turnRadius");
  55                 if (props.containsKey("turnAngle"))
  56                         turnAngle = (Double)props.get("turnAngle");
  57                 if (props.containsKey("radius")) {
  58                         radius = (Double)props.get("radius");
  59                 }
  60                 if (radius < MathTools.NEAR_ZERO)
  61                         radius = MathTools.NEAR_ZERO;
  62         }
  63
  64 }
  65