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 org.jcae.opencascade.jni.TopoDS_Shape;
   8 import org.simantics.db.Resource;
   9 import org.simantics.g3d.math.MathTools;
  10 import org.simantics.opencascade.OccTriangulator;
  11
  12 public class ElbowGeometryProvider extends BuiltinGeometryProvider  {
  13
  14         public ElbowGeometryProvider(Resource resource) {
  15                 super(resource);
  16         }
  17
  18         private double radius = 0.01;
  19         private double turnRadius = 0.05;
  20         private double turnAngle = Math.PI * 0.5;
  21
  22         @Override
  23         public Collection<TopoDS_Shape> getModel() throws Exception {
  24                 double t = Math.tan((Math.PI - turnAngle) * 0.5);
  25                 double R = 0.0;
  26                 if (t > MathTools.NEAR_ZERO)
  27                         R = turnRadius / t;
  28                 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);
  29 //              System.out.println("Create elbow tr:" + turnRadius + " r:" + radius + " angle:"  +turnAngle + " " + R);
  30                 return Collections.singletonList(shape);
  31         }
  32
  33         @Override
  34         public void setProperties(Map<String, Object> props) {
  35                 if (props.containsKey("turnRadius"))
  36                         turnRadius = (Double)props.get("turnRadius");
  37                 if (props.containsKey("turnAngle"))
  38                         turnAngle = (Double)props.get("turnAngle");
  39                 if (props.containsKey("radius")) {
  40                         radius = (Double)props.get("radius");
  41                 }
  42                 if (radius < MathTools.NEAR_ZERO)
  43                         radius = MathTools.NEAR_ZERO;
  44         }
  45
  46 }
  47