//=============================================================================//                                                                            //                               OpenMesh                                     //        Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen          //                           www.openmesh.org                                 //                                                                            //-----------------------------------------------------------------------------//                                                                            //                                License                                     //                                                                            //   This library is free software; you can redistribute it and/or modify it //   under the terms of the GNU Library General Public License as published  //   by the Free Software Foundation, version 2.                             //                                                                             //   This library is distributed in the hope that it will be useful, but       //   WITHOUT ANY WARRANTY; without even the implied warranty of                //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         //   Library General Public License for more details.                          //                                                                            //   You should have received a copy of the GNU Library General Public         //   License along with this library; if not, write to the Free Software       //   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 //                                                                            //-----------------------------------------------------------------------------//                                                                            //   $Revision: 1.2 $//   $Date: 2005-12-21 14:00:45 $//                                                                            //=============================================================================//== INCLUDES =================================================================#include <cstdlib>#include <OpenMesh/Core/IO/MeshIO.hh>#include <OpenMesh/Core/Mesh/Types/TriMesh_ArrayKernelT.hh>#include <Inventor/SoDB.h>#include <Inventor/Xt/SoXt.h>#include <Inventor/Xt/viewers/SoXtExaminerViewer.h>#include <Inventor/nodes/SoSeparator.h>#include <OpenMesh/Apps/IvViewer/SoOpenMeshNodeT.hh>//== CLASS DEFINITION =========================================================struct MyTraits : public OpenMesh::DefaultTraits{   VertexAttributes(OpenMesh::Attributes::Normal);   HalfedgeAttributes(OpenMesh::Attributes::PrevHalfedge);   FaceAttributes(OpenMesh::Attributes::Normal);};  typedef OpenMesh::TriMesh_ArrayKernelT<MyTraits>  MyMesh;typedef OpenMesh::SoOpenMeshNodeT<MyMesh>         MyNode;//== IMPLEMENTATION ===========================================================int main(int argc, char **argv){  OpenMesh::IO::Options opt;  Widget myWindow = SoXt::init(argv[0], "InventorViewer");  MyNode::initClass();  SoXtExaminerViewer *myViewer = new SoXtExaminerViewer(myWindow);    // Read a mesh  MyMesh  mesh;  if (argc > 1 && OpenMesh::IO::read_mesh(mesh, argv[1], opt))  {    if (!opt.check( OpenMesh::IO::Options::FaceNormal))      mesh.update_face_normals();    SoSeparator* root = new SoSeparator();    root->addChild(new MyNode(&mesh));    myViewer->setSceneGraph(root);  }  myViewer->show();  SoXt::show(myWindow);  SoXt::mainLoop();}//=============================================================================