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                 if (radius < MathTools.NEAR_ZERO || turnRadius < MathTools.NEAR_ZERO)
  31                         return Collections.emptyList();
  32                 double t = Math.tan((Math.PI - turnAngle) * 0.5);
  33                 double R = 0.0;
  34                 if (t > MathTools.NEAR_ZERO)
  35                         R = turnRadius / t;
  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);
  39         }
  40
  41 //      @Override
  42         public Mesh getMesh() {
  43                 if (radius < MathTools.NEAR_ZERO || turnRadius < MathTools.NEAR_ZERO)
  44                         return null;
  45                 double t = Math.tan((Math.PI - turnAngle) * 0.5);
  46                 double R = 0.0;
  47                 if (t > MathTools.NEAR_ZERO)
  48                         R = turnRadius / t;
  49                 ArcCylinder cyl = new ArcCylinder();
  50
  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);
  53         }
  54
  55         @Override
  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");
  63                 }
  64                 if (radius < MathTools.NEAR_ZERO)
  65                         radius = MathTools.NEAR_ZERO;
  66         }
  67
  68 }
  69