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

   1 package org.jcae.opencascade.jni;
   2
   3 import static org.junit.Assert.*;
   4 import org.junit.Test;
   5
   6 import java.util.ArrayList;
   7 import java.util.Arrays;
   8 import java.util.HashSet;
   9
  10 // Packages for 3D display
  11 /*import java.awt.Container;
  12 import java.awt.GridLayout;
  13 import java.awt.Window;
  14 import java.awt.event.KeyAdapter;
  15 import java.awt.event.KeyEvent;
  16 import javax.media.j3d.Transform3D;
  17 import javax.swing.JFrame;
  18 import javax.swing.WindowConstants;
  19 import javax.vecmath.Matrix4d;
  20 import org.jcae.viewer3d.PositionListener;
  21 import org.jcae.viewer3d.View;
  22 import org.jcae.viewer3d.ViewBehavior;
  23 import org.jcae.viewer3d.cad.ViewableCAD;
  24 import org.jcae.viewer3d.cad.occ.OCCProvider;*/
  25
  26
  27 /**
  28  * A dirty static class to show what are holes, chamfer and fillet
  29  * @author Jerome Robert
  30  */
  31 public class HoleFilletChamfer
  32 {
  33         /** Return the list of face owning the given edge */
  34         private static TopoDS_Face[] getFace(TopoDS_Shape shape, TopoDS_Edge edge)
  35         {
  36                 ArrayList toReturn=new ArrayList();
  37                 TopExp_Explorer exp=new TopExp_Explorer(shape, TopAbs_ShapeEnum.FACE);
  38                 while(exp.more())
  39                 {
  40                         TopoDS_Face face=(TopoDS_Face) exp.current();
  41                         HashSet edges = new HashSet(Arrays.asList(getEdges(face)));
  42                         if(edges.contains(edge))
  43                                 toReturn.add(face);
  44                         exp.next();
  45                 }
  46                 return (TopoDS_Face[]) toReturn.toArray(new TopoDS_Face[toReturn.size()]);
  47         }
  48
  49         private static TopoDS_Edge[] getEdges(TopoDS_Shape face)
  50         {
  51                 HashSet toReturn=new HashSet();
  52                 TopExp_Explorer exp=new TopExp_Explorer(face, TopAbs_ShapeEnum.EDGE);
  53                 while(exp.more())
  54                 {
  55                         toReturn.add(exp.current());
  56                         exp.next();
  57                 }
  58                 return (TopoDS_Edge[]) toReturn.toArray(new TopoDS_Edge[toReturn.size()]);
  59         }
  60
  61         private static TopoDS_Shape createCuttedBox()
  62         {
  63                 TopoDS_Shape box1 = new BRepPrimAPI_MakeBox(
  64                         new double[3], new double[]{4, 3, 2}).shape();
  65
  66                 TopoDS_Shape box2 = new BRepPrimAPI_MakeBox(
  67                         new double[]{-1,-1,-1}, new double[]{3, 2, 1}).shape();
  68
  69                 return new BRepAlgoAPI_Cut(box1, box2).shape();
  70         }
  71
  72         private static TopoDS_Shape createVerticalCylinder(double radius, double x, double y, double height)
  73         {
  74                 BRepPrimAPI_MakeCylinder cyl1=new BRepPrimAPI_MakeCylinder(
  75                 new double[]{x,y,2,0,0,-1}, radius, height, Math.PI*2);
  76                 return cyl1.shape();
  77         }
  78
  79         private static TopoDS_Shape makeHole(TopoDS_Shape shape)
  80         {
  81                 TopoDS_Shape h1 = createVerticalCylinder(0.05, 0.4, 0.5, 2);
  82                 TopoDS_Shape h2 = createVerticalCylinder(0.1, 0.7, 0.5, 0.5);
  83                 TopoDS_Shape h3 = createVerticalCylinder(0.07, 3.5, 0.5, 1.9);
  84                 TopoDS_Shape toReturn = new BRepAlgoAPI_Cut(shape, h1).shape();
  85                 toReturn = new BRepAlgoAPI_Cut(toReturn, h2).shape();
  86                 toReturn = new BRepAlgoAPI_Cut(toReturn, h3).shape();
  87
  88                 return toReturn;
  89         }
  90
  91         @Test public void sample()
  92         {
  93                 TopoDS_Shape cuttedBox=createCuttedBox();
  94                 BRepFilletAPI_MakeFillet fillet = new BRepFilletAPI_MakeFillet(cuttedBox);
  95                 TopoDS_Edge[] edges = getEdges(cuttedBox);
  96                 for(int i=0; i<edges.length; i++)
  97                 {
  98                         fillet.add(0.1, edges[i]);
  99                 }
 100
 101                 BRepFilletAPI_MakeChamfer chamfer = new BRepFilletAPI_MakeChamfer(cuttedBox);
 102                 for(int i=0; i<edges.length; i++)
 103                 {
 104                         chamfer.add(0.1, edges[i], getFace(cuttedBox, edges[i])[0]);
 105                 }
 106
 107                 TopoDS_Shape holled=makeHole(cuttedBox);
 108                 //displayAll(cuttedBox, fillet.shape(), chamfer.shape(), holled);
 109
 110                 //try the new Opencascade 6.2 tool to remove the hole
 111                 ShapeUpgrade_RemoveInternalWires sr=new ShapeUpgrade_RemoveInternalWires(holled);
 112                 sr.setMinArea(1);
 113                 sr.setRemoveFaceMode(true);
 114                 sr.perform();
 115                 BRepTools.write(sr.getResult(), "/tmp/toto.brep");
 116         }
 117
 118         // 3D display
 119         /*private static View view1, view2, view3, view4;
 120
 121         private static View createView(TopoDS_Shape shape, Window w)
 122         {
 123                 final View cadView=new View(w);
 124                 ViewableCAD fcad=new ViewableCAD(new OCCProvider(shape));
 125                 cadView.add(fcad);
 126                 cadView.fitAll();
 127                 cadView.addPositionListener(new PositionListener(){
 128
 129                         public void positionChanged()
 130                         {
 131                                 System.out.println(cadView.where());
 132                                 view1.move(cadView.where());
 133                                 view2.move(cadView.where());
 134                                 view3.move(cadView.where());
 135                                 view4.move(cadView.where());
 136                         }});
 137
 138                 return cadView;
 139         }
 140
 141
 142         private static void displayAll(TopoDS_Shape s1, TopoDS_Shape s2, TopoDS_Shape s3, TopoDS_Shape s4)
 143         {
 144                 JFrame cadFrame=new JFrame();
 145                 cadFrame.setSize(800,600);
 146                 cadFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
 147                 Container p = cadFrame.getContentPane();
 148                 p.setLayout(new GridLayout(2,2));
 149
 150                 view1=createView(s1, cadFrame);
 151                 view2=createView(s2, cadFrame);
 152                 view3=createView(s3, cadFrame);
 153                 view4=createView(s4, cadFrame);
 154                 p.add(view1);
 155                 p.add(view2);
 156                 p.add(view3);
 157                 p.add(view4);
 158                 //view4.setMouseMode(ViewBehavior.CLIP_RECTANGLE_MODE);
 159                 view4.addKeyListener(new KeyAdapter()
 160                 {
 161                         public void keyPressed(KeyEvent e)
 162                         {
 163                                 if(e.getKeyCode()!=KeyEvent.VK_SPACE)
 164                                         return;
 165                                 view4.setMouseMode(ViewBehavior.DEFAULT_MODE);
 166                                 Transform3D t3d=new Transform3D();
 167                                 t3d.set(new Matrix4d(0.807441418753272, -0.12841821107377785, -0.5758012837310318, -9.570716029950235,
 168                                         -0.5857562663771008, -0.2906520518814561, -0.7565784699137629, -13.674618670515233,
 169                                         -0.07019937094913933, 0.948172003278784, -0.30990627698811507, -5.144127106635848,
 170                                         0.0, 0.0, 0.0, 1.0));
 171                                 view1.move(t3d);
 172                                 view2.move(t3d);
 173                                 view3.move(t3d);
 174                                 view4.move(t3d);
 175                         }
 176                 });
 177                 cadFrame.setVisible(true);
 178         }*/
 179 }