MOAB: Mesh Oriented datABase  (version 5.3.1)
DomainUtil.hpp
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00001 /* *****************************************************************
00002     MESQUITE -- The Mesh Quality Improvement Toolkit
00003 
00004     Copyright 2010 Sandia National Laboratories.  Developed at the
00005     University of Wisconsin--Madison under SNL contract number
00006     624796.  The U.S. Government and the University of Wisconsin
00007     retain certain rights to this software.
00008 
00009     This library is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU Lesser General Public
00011     License as published by the Free Software Foundation; either
00012     version 2.1 of the License, or (at your option) any later version.
00013 
00014     This library is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017     Lesser General Public License for more details.
00018 
00019     You should have received a copy of the GNU Lesser General Public License
00020     (lgpl.txt) along with this library; if not, write to the Free Software
00021     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 
00023     (2010) kraftche@cae.wisc.edu
00024 
00025   ***************************************************************** */
00026 
00027 /** \file DomainUtil.hpp
00028  *  \brief Utility functions for use in build-in geometric domains
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #ifndef MSQ_DOMAIN_UTIL_HPP
00033 #define MSQ_DOMAIN_UTIL_HPP
00034 
00035 #include "Mesquite.hpp"
00036 #include "MeshInterface.hpp"
00037 #include <vector>
00038 #include <cstdlib>  // size_t
00039 
00040 namespace MBMesquite
00041 {
00042 
00043 class MsqVertex;
00044 class Vector3D;
00045 class Mesh;
00046 
00047 namespace DomainUtil
00048 {
00049 
00050     void bounding_box( const MsqVertex* vertex_array, size_t num_vertices, Vector3D& box_min, Vector3D& box_max );
00051 
00052     double max_box_extent( const MsqVertex* vertex_array, size_t num_vertices );
00053 
00054     inline double default_tolerance( const MsqVertex* vertex_array, size_t num_vertices )
00055     {
00056         return 1e-3 * max_box_extent( vertex_array, num_vertices );
00057     }
00058 
00059     void get_fixed_vertices( Mesh* mesh_instance, const Mesh::VertexHandle* vertex_array, size_t num_vertices,
00060                              std::vector< Mesh::VertexHandle >& fixed_handles_out, MsqError& err );
00061 
00062     bool non_colinear_vertices( const MsqVertex* vertex_array, size_t num_vertices, Vector3D coords_out[3],
00063                                 double epsilon );
00064 
00065     bool non_coplanar_vertices( const MsqVertex* vertex_array, size_t num_vertices, Vector3D coords_out[4],
00066                                 double epsilon );
00067 
00068 }  // namespace DomainUtil
00069 
00070 }  // namespace MBMesquite
00071 
00072 #endif
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