org.simantics.g3d.csg/src/org/simantics/g3d/csg/scenegraph2/DifferenceNode.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.g3d.csg.scenegraph2;\r
  13 \r
  14 import org.jcae.opencascade.jni.TopoDS_Shape;\r
  15 import org.simantics.g3d.csg.ontology.CSG;\r
  16 import org.simantics.objmap.graph.annotations.GraphType;\r
  17 import org.simantics.opencascade.OccTriangulator;\r
  18 \r
  19 @GraphType(CSG.URIs.Difference)\r
  20 public class DifferenceNode extends CSGparentNode {\r
  21 \r
  22         @Override\r
  23         public TopoDS_Shape getBaseGeometry() {\r
  24                 TopoDS_Shape prim = getPrimary();\r
  25                 TopoDS_Shape sec = getSecondary();\r
  26                 if (prim != null && sec != null) {\r
  27                         TopoDS_Shape res = OccTriangulator.makeCut(prim, sec);\r
  28                         prim.delete();\r
  29                         sec.delete();\r
  30                         return res;\r
  31                 }\r
  32                 if (prim != null)\r
  33                         prim.delete();\r
  34                 if (sec != null)\r
  35                         sec.delete();\r
  36                 return null;\r
  37         }\r
  38 \r
  39         \r
  40 }\r