org.jcae.opencascade/src-java-test/org/jcae/opencascade/jni/SplitFace.java

   1 package org.jcae.opencascade.jni;
   2
   3 import static org.junit.Assert.*;
   4 import org.junit.Test;
   5
   6 import java.util.HashSet;
   7 import javax.swing.JFrame;
   8 import javax.swing.WindowConstants;
   9
  10 /*import org.jcae.viewer3d.View;
  11 import org.jcae.viewer3d.cad.ViewableCAD;
  12 import org.jcae.viewer3d.cad.occ.OCCProvider;*/
  13
  14 /**
  15  * Show how to split faces to make them smaller than a given
  16  * area. This is useful with Amibe as the size of the largest
  17  * face is the parameter which limit the size of possible meshes
  18  * @author Jerome Robert
  19  */
  20 public class SplitFace
  21 {
  22         private static TopoDS_Edge[] getEdges(TopoDS_Shape face)
  23         {
  24                 HashSet toReturn=new HashSet();
  25                 TopExp_Explorer exp=new TopExp_Explorer(face, TopAbs_ShapeEnum.EDGE);
  26                 while(exp.more())
  27                 {
  28                         toReturn.add(exp.current());
  29                         exp.next();
  30                 }
  31                 return (TopoDS_Edge[]) toReturn.toArray(new TopoDS_Edge[toReturn.size()]);
  32         }
  33
  34         private static TopoDS_Shape createCuttedBox()
  35         {
  36                 TopoDS_Shape box1 = new BRepPrimAPI_MakeBox(
  37                         new double[3], new double[]{4, 3, 2}).shape();
  38
  39                 TopoDS_Shape box2 = new BRepPrimAPI_MakeBox(
  40                         new double[]{-1,-1,-1}, new double[]{3, 2, 1}).shape();
  41
  42                 return new BRepAlgoAPI_Cut(box1, box2).shape();
  43         }
  44
  45         @Test public void sample()
  46         {
  47                 TopoDS_Shape cuttedBox=createCuttedBox();
  48                 BRepFilletAPI_MakeFillet fillet = new BRepFilletAPI_MakeFillet(cuttedBox);
  49                 TopoDS_Edge[] edges = getEdges(cuttedBox);
  50                 for(int i=0; i<edges.length; i++)
  51                 {
  52                         fillet.add(0.1, edges[i]);
  53                 }
  54
  55                 ShapeUpgrade_ShapeDivideArea ss=new ShapeUpgrade_ShapeDivideArea(fillet.shape());
  56                 ss.setMaxArea(0.5);
  57                 ss.perform();
  58                 //display(ss.getResult());
  59         }
  60
  61         /*public static void display(TopoDS_Shape shape)
  62         {
  63                 JFrame cadFrame=new JFrame("jcae-viewer3d-cad demo");
  64                 cadFrame.setSize(800,600);
  65                 cadFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
  66                 final View cadView=new View(cadFrame);
  67
  68                 ViewableCAD fcad=new ViewableCAD(new OCCProvider(shape));
  69                 cadView.add(fcad);
  70                 cadView.fitAll();
  71                 cadFrame.getContentPane().add(cadView);
  72                 cadFrame.setVisible(true);
  73                 cadView.setOriginAxisVisible(true);
  74         }*/
  75 }