org.simantics.opencascade/src/org/simantics/opencascade/OccTriangulator.java

   1 package org.simantics.opencascade;\r
   2 \r
   3 /*******************************************************************************\r
   4  * Copyright (c) 2007, 2013- VTT Technical Research Centre of Finland.\r
   5  * All rights reserved. This program and the accompanying materials\r
   6  * are made available under the terms of the Eclipse Public License v1.0\r
   7  * which accompanies this distribution, and is available at\r
   8  * http://www.eclipse.org/legal/epl-v10.html\r
   9  *\r
  10  * Contributors:\r
  11  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  12  *******************************************************************************/\r
  13 \r
  14 import javax.vecmath.Vector2d;\r
  15 \r
  16 import org.jcae.opencascade.jni.BRepBuilderAPI_MakeEdge;\r
  17 import org.jcae.opencascade.jni.BRepBuilderAPI_MakeFace;\r
  18 import org.jcae.opencascade.jni.BRepBuilderAPI_MakeWire;\r
  19 import org.jcae.opencascade.jni.BRepBuilderAPI_Transform;\r
  20 import org.jcae.opencascade.jni.BRepPrimAPI_MakePrism;\r
  21 import org.jcae.opencascade.jni.BRepPrimAPI_MakeTorus;\r
  22 import org.jcae.opencascade.jni.BRep_Builder;\r
  23 import org.jcae.opencascade.jni.GP_Elips;\r
  24 import org.jcae.opencascade.jni.GP_Trsf;\r
  25 import org.jcae.opencascade.jni.TopoDS_Edge;\r
  26 import org.jcae.opencascade.jni.TopoDS_Face;\r
  27 import org.jcae.opencascade.jni.TopoDS_Shape;\r
  28 import org.jcae.opencascade.jni.TopoDS_Wire;\r
  29 \r
  30 \r
  31 public class OccTriangulator {\r
  32 \r
  33     \r
  34     public static final double MIN_VALUE = 0.001;\r
  35     \r
  36     public OccTriangulator() {\r
  37         \r
  38     }\r
  39 \r
  40 \r
  41     public static TopoDS_Shape getShapeFromFile(String filename) {\r
  42         assert (filename != null);\r
  43         String lowerFileName = filename.toLowerCase(); \r
  44         if (lowerFileName.endsWith(".stp") || lowerFileName.endsWith(".step")) {\r
  45             TopoDS_Shape shape = importSTEP(filename);\r
  46             return shape;\r
  47         } else if (lowerFileName.endsWith(".iges")) {\r
  48             TopoDS_Shape shape = importIGES(filename);\r
  49             return shape;\r
  50         } else if (lowerFileName.endsWith(".brep")) {\r
  51             TopoDS_Shape shape = importBREP(filename);\r
  52             return shape;\r
  53         } else {\r
  54             throw new UnsupportedOperationException("Unsupported format " + filename);\r
  55         }\r
  56     }\r
  57 \r
  58     public static TopoDS_Shape importBREP(String filename) {\r
  59                 return importBREP(filename,1.0); // convert to meters.\r
  60     }\r
  61     public static TopoDS_Shape importBREP(String filename, double scale) {\r
  62         org.jcae.opencascade.jni.BRep_Builder aBuilder = new org.jcae.opencascade.jni.BRep_Builder();\r
  63         org.jcae.opencascade.jni.TopoDS_Shape myShape = org.jcae.opencascade.jni.BRepTools.read(filename, aBuilder);\r
  64         aBuilder.delete();\r
  65         if (Math.abs(scale-1.0) < 0.001)\r
  66                 return myShape;\r
  67         TopoDS_Shape scaled = makeScale(myShape, scale);\r
  68         myShape.delete();\r
  69         return scaled;\r
  70     }\r
  71 \r
  72     public static TopoDS_Shape importIGES(String filename) {\r
  73         org.jcae.opencascade.jni.IGESControl_Reader aReader = new org.jcae.opencascade.jni.IGESControl_Reader();\r
  74         aReader.setReadUnitM();\r
  75         aReader.readFile(filename.getBytes());\r
  76         aReader.clearShapes();\r
  77         aReader.transferRoots();\r
  78         TopoDS_Shape result = aReader.oneShape();\r
  79         aReader.delete();\r
  80         return result;\r
  81     }\r
  82     \r
  83     public static TopoDS_Shape importSTEP(String filename) {\r
  84         org.jcae.opencascade.jni.STEPControl_Reader aReader = new org.jcae.opencascade.jni.STEPControl_Reader();\r
  85         aReader.setReadUnitM();\r
  86         aReader.readFile(filename.getBytes());\r
  87         aReader.clearShapes();\r
  88         aReader.transferRoots();\r
  89         TopoDS_Shape result = aReader.oneShape();\r
  90         aReader.delete();\r
  91         return result;\r
  92     }\r
  93 \r
  94 \r
  95 \r
  96     public static TopoDS_Shape makeTranslation(TopoDS_Shape aShape, double x, double y, double z) {\r
  97         GP_Trsf theTransformation = new GP_Trsf();\r
  98         theTransformation.setTranslation(new double[] { x, y, z });\r
  99         BRepBuilderAPI_Transform bt = new BRepBuilderAPI_Transform(aShape, theTransformation, true);\r
 100 \r
 101         TopoDS_Shape shape = bt.shape();\r
 102         bt.delete();\r
 103         theTransformation.delete();\r
 104         return shape;\r
 105     }\r
 106 \r
 107     public static TopoDS_Shape makeTorus(double[] pointStruct, double[] dirStruct, double r1, double r2) {\r
 108         double[] axe = new double[6];\r
 109         System.arraycopy(pointStruct, 0, axe, 0, 3);\r
 110         System.arraycopy(dirStruct, 0, axe, 3, 3);\r
 111         BRepPrimAPI_MakeTorus torus = new BRepPrimAPI_MakeTorus(axe, r1, r2);\r
 112         org.jcae.opencascade.jni.TopoDS_Shape tds = torus.shape();\r
 113         torus.delete();\r
 114         return tds;\r
 115     }\r
 116     \r
 117     public static TopoDS_Shape makeTorus(double[] pointStruct, double[] dirStruct, double r1, double r2, double angle1, double angle2, double angle) {\r
 118         double[] axe = new double[6];\r
 119         System.arraycopy(pointStruct, 0, axe, 0, 3);\r
 120         System.arraycopy(dirStruct, 0, axe, 3, 3);\r
 121         BRepPrimAPI_MakeTorus torus = new BRepPrimAPI_MakeTorus(axe, r1, r2,angle1,angle2,angle);\r
 122         org.jcae.opencascade.jni.TopoDS_Shape tds = torus.shape();\r
 123         torus.delete();\r
 124         return tds;\r
 125     }\r
 126 \r
 127     public static TopoDS_Shape makeSphere(double x, double y, double z, double radius) {\r
 128         double[] c = new double[] { x, y, z };\r
 129         org.jcae.opencascade.jni.BRepPrimAPI_MakeSphere sphere = new org.jcae.opencascade.jni.BRepPrimAPI_MakeSphere(c, radius);\r
 130         org.jcae.opencascade.jni.TopoDS_Shape tds = sphere.shape();\r
 131         sphere.delete();\r
 132         return tds;\r
 133     }\r
 134 \r
 135 \r
 136     public static TopoDS_Shape makeRotation(TopoDS_Shape aShape, double[] axisStruct, double angle) {\r
 137 \r
 138         GP_Trsf theTransformation = new GP_Trsf();\r
 139         theTransformation.setRotation(axisStruct, angle);\r
 140         BRepBuilderAPI_Transform bt = new BRepBuilderAPI_Transform(aShape, theTransformation, true);\r
 141         TopoDS_Shape shape = bt.shape();\r
 142         bt.delete();\r
 143         theTransformation.delete();\r
 144         return shape;\r
 145     }\r
 146 \r
 147     public static TopoDS_Shape makeScale(TopoDS_Shape aShape, double s) {\r
 148 \r
 149         GP_Trsf theTransformation = new GP_Trsf();\r
 150         theTransformation.setValues(s, 0, 0, 0,\r
 151                                             0, s, 0, 0, \r
 152                                             0, 0, s, 0, 1, 1);\r
 153         BRepBuilderAPI_Transform bt = new BRepBuilderAPI_Transform(aShape, theTransformation, true);\r
 154         TopoDS_Shape shape = bt.shape();\r
 155         bt.delete();\r
 156         theTransformation.delete();\r
 157         return shape;\r
 158     }\r
 159 \r
 160 \r
 161     public static TopoDS_Shape makeCylinder(double[] pointStruct, double[] dirStruct, double radius, double height) {\r
 162         double[] axe = new double[6];\r
 163         System.arraycopy(pointStruct, 0, axe, 0, 3);\r
 164         System.arraycopy(dirStruct, 0, axe, 3, 3);\r
 165         org.jcae.opencascade.jni.BRepPrimAPI_MakeCylinder cyl = new org.jcae.opencascade.jni.BRepPrimAPI_MakeCylinder(axe, radius, height, 2 * Math.PI);\r
 166         org.jcae.opencascade.jni.TopoDS_Shape tds = cyl.shape();\r
 167         cyl.delete();\r
 168         return tds;\r
 169     }\r
 170 \r
 171     public static TopoDS_Shape makeCopy(TopoDS_Shape topoDS_Shape) {\r
 172         throw new UnsupportedOperationException();\r
 173     }\r
 174 \r
 175     public static TopoDS_Shape makeCone(double[] pointStruct, double[] dirStruct, double radius1, double radius2, double height) {\r
 176         double[] axe = new double[6];\r
 177         System.arraycopy(pointStruct, 0, axe, 0, 3);\r
 178         System.arraycopy(dirStruct, 0, axe, 3, 3);\r
 179         org.jcae.opencascade.jni.BRepPrimAPI_MakeCone cone = new org.jcae.opencascade.jni.BRepPrimAPI_MakeCone(axe, radius1, radius2, height, 2 * Math.PI);\r
 180         org.jcae.opencascade.jni.TopoDS_Shape tds = cone.shape();\r
 181         cone.delete();\r
 182         return tds;\r
 183     }\r
 184 \r
 185     public static TopoDS_Shape makeCompound(TopoDS_Shape[] shapes) {\r
 186         BRep_Builder builder = new BRep_Builder();\r
 187         org.jcae.opencascade.jni.TopoDS_Compound comp = new org.jcae.opencascade.jni.TopoDS_Compound();\r
 188         builder.makeCompound(comp);\r
 189         for (int i = 0; i < shapes.length; i++) {\r
 190 \r
 191             builder.add(comp, shapes[i]);\r
 192         }\r
 193         builder.delete();\r
 194         return comp;\r
 195     }\r
 196 \r
 197 \r
 198     public static TopoDS_Shape makeBox(double x1, double y1, double z1, double x2, double y2, double z2) {\r
 199         double[] p1 = new double[] { x1, y1, z1 };\r
 200         double[] p2 = new double[] { x2, y2, z2 };\r
 201         org.jcae.opencascade.jni.BRepPrimAPI_MakeBox box = new org.jcae.opencascade.jni.BRepPrimAPI_MakeBox(p1, p2); \r
 202         org.jcae.opencascade.jni.TopoDS_Shape tds = box.shape();\r
 203         box.delete();\r
 204         return tds;\r
 205     }\r
 206 \r
 207     public static TopoDS_Shape makeCut(TopoDS_Shape shape1, TopoDS_Shape shape2) {\r
 208         org.jcae.opencascade.jni.BRepAlgoAPI_Cut cut = new org.jcae.opencascade.jni.BRepAlgoAPI_Cut(shape1, shape2);\r
 209         org.jcae.opencascade.jni.TopoDS_Shape s = cut.shape();\r
 210         cut.delete();\r
 211         return s;\r
 212     }\r
 213     \r
 214     public static TopoDS_Shape makeCommon(TopoDS_Shape shape1, TopoDS_Shape shape2) {\r
 215         org.jcae.opencascade.jni.BRepAlgoAPI_Common common = new org.jcae.opencascade.jni.BRepAlgoAPI_Common(shape1, shape2); \r
 216         org.jcae.opencascade.jni.TopoDS_Shape s = common.shape();\r
 217         common.delete();\r
 218         return s;\r
 219     }\r
 220     \r
 221     public static TopoDS_Shape makeFuse(TopoDS_Shape shape1, TopoDS_Shape shape2) {\r
 222         org.jcae.opencascade.jni.BRepAlgoAPI_Fuse fuse = new org.jcae.opencascade.jni.BRepAlgoAPI_Fuse(shape1, shape2);\r
 223         org.jcae.opencascade.jni.TopoDS_Shape s = fuse.shape();\r
 224         fuse.delete();\r
 225         return s;\r
 226     }\r
 227 \r
 228     \r
 229     public static TopoDS_Shape makeWedge(double[] pointStruct, double[] dirStruct,double dx, double dy, double dz, double xmin, double zmin, double xmax, double zmax) {\r
 230         double[] axe = new double[6];\r
 231         System.arraycopy(pointStruct, 0, axe, 0, 3);\r
 232         System.arraycopy(dirStruct, 0, axe, 3, 3);\r
 233         \r
 234         org.jcae.opencascade.jni.BRepPrimAPI_MakeWedge wedge = new org.jcae.opencascade.jni.BRepPrimAPI_MakeWedge(axe,  dx,  dy,  dz,  xmin,  zmin, xmax, zmax); \r
 235         org.jcae.opencascade.jni.TopoDS_Shape s = wedge.shape();\r
 236         wedge.delete();\r
 237         return s;\r
 238     }\r
 239     \r
 240     public static TopoDS_Shape makeEllipticCylinder(double h, double r1, double r2) {\r
 241         GP_Elips ellipse;\r
 242                 if (r1 < r2) {\r
 243                         // FIXME : ellipse should be rotated, but current JNI won't allow it since Ax2 is not separate object\r
 244                         ellipse = new GP_Elips(new double[]{0.0,-h*0.5,0.0,0.0,1.0,0.0},r2,r1);\r
 245                 } else {\r
 246                         ellipse = new GP_Elips(new double[]{0.0,-h*0.5,0.0,0.0,1.0,0.0},r1,r2);\r
 247                 }\r
 248                 BRepBuilderAPI_MakeEdge edge = new BRepBuilderAPI_MakeEdge(ellipse);\r
 249                 TopoDS_Edge ed = (TopoDS_Edge) edge.shape();\r
 250                 BRepBuilderAPI_MakeWire wire = new BRepBuilderAPI_MakeWire(ed);\r
 251                 TopoDS_Wire w = (TopoDS_Wire) wire.shape();\r
 252                 BRepBuilderAPI_MakeFace face = new BRepBuilderAPI_MakeFace(w); \r
 253         TopoDS_Face F = (TopoDS_Face) face.shape();\r
 254         BRepPrimAPI_MakePrism prism = new BRepPrimAPI_MakePrism(F, new double[] { 0.0, h, 0.0 }); \r
 255         TopoDS_Shape shape = prism.shape();\r
 256         ellipse.delete();\r
 257         edge.delete();\r
 258         wire.delete();\r
 259         face.delete();\r
 260         ed.delete();\r
 261         w.delete();\r
 262         F.delete();\r
 263         prism.delete();\r
 264         return shape;\r
 265     }\r
 266 \r
 267     public static TopoDS_Shape makeReqularPrism(double h, double r, int n) {\r
 268         if (n < 3)\r
 269                 n = 3;\r
 270         Vector2d vertices[] = new Vector2d[n];\r
 271                 for (int i = 0; i < n; i++) {\r
 272                         vertices[i] = new Vector2d(Math.sin(Math.PI * 2.0 * i / n)*r,Math.cos(Math.PI * 2.0 * i / n)*r);\r
 273                 }\r
 274                 BRepBuilderAPI_MakeWire wire = new BRepBuilderAPI_MakeWire();\r
 275                 for (int i = 0; i < n; i++) {\r
 276                         Vector2d v1 = vertices[i];\r
 277                         Vector2d v2 = vertices[(i+1)%n];\r
 278                         BRepBuilderAPI_MakeEdge edge = new BRepBuilderAPI_MakeEdge(new double[]{v1.x,-h*0.5,v1.y},new double[]{v2.x,-h*0.5,v2.y}); \r
 279                         wire.add((TopoDS_Edge)edge.shape());\r
 280                         edge.delete();\r
 281                 }\r
 282                 TopoDS_Wire w = (TopoDS_Wire)wire.shape();\r
 283                 \r
 284                 BRepBuilderAPI_MakeFace face = new BRepBuilderAPI_MakeFace(w);\r
 285                 TopoDS_Face F = (TopoDS_Face) face.shape();\r
 286                 face.delete();\r
 287                 \r
 288                 BRepPrimAPI_MakePrism prism = new BRepPrimAPI_MakePrism(F, new double[] { 0.0, h, 0.0 }); \r
 289         TopoDS_Shape shape = prism.shape();     \r
 290         prism.delete();\r
 291         \r
 292         wire.delete();\r
 293         w.delete();\r
 294         F.delete();\r
 295         return shape;\r
 296     }\r
 297  \r
 298 \r
 299     public static void exportBREP(TopoDS_Shape shape, String filename) {\r
 300         org.jcae.opencascade.jni.BRepTools.write(shape, filename);\r
 301     }\r
 302     \r
 303 }\r