MOAB: Mesh Oriented datABase  (version 5.2.1)
WeightReader.hpp
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00001 /* *****************************************************************
00002     MESQUITE -- The Mesh Quality Improvement Toolkit
00003 
00004     Copyright 2006 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     (2006) kraftche@cae.wisc.edu
00024 
00025   ***************************************************************** */
00026 
00027 /** \file WeightReader.hpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #ifndef MSQ_WEIGHT_READER_HPP
00033 #define MSQ_WEIGHT_READER_HPP
00034 
00035 #include "Mesquite.hpp"
00036 #include "WeightCalculator.hpp"
00037 #include "ExtraDataUser.hpp"
00038 #include "MeshInterface.hpp"
00039 
00040 #include <vector>
00041 #include <string>
00042 
00043 namespace MBMesquite
00044 {
00045 
00046 class PatchData;
00047 class MsqError;
00048 
00049 /**\brief Internal structure used by WeightReader
00050  *
00051  * Store per-PatchData information.
00052  */
00053 struct WeightReaderData
00054 {
00055     std::vector< TagHandle > handles;  //< tag handles, indexed by #tags/elem
00056     std::vector< double > weights;     //< cached values for last element
00057     size_t elementIndex;               //< element for which values are cached.
00058 };
00059 
00060 /**\brief Read targets from tag data */
00061 class WeightReader : public WeightCalculator, private ExtraDataUser< WeightReaderData >
00062 {
00063   public:
00064     MESQUITE_EXPORT
00065     WeightReader( std::string tag_base_name = "MSQ_TARGET_WEIGHT" );
00066 
00067     MESQUITE_EXPORT virtual ~WeightReader();
00068 
00069     MESQUITE_EXPORT virtual double get_weight( PatchData& pd, size_t element, Sample Sample, MsqError& err );
00070 
00071   private:
00072     virtual void notify_patch_destroyed( WeightReaderData& data );
00073     virtual void notify_new_patch( PatchData& pd, WeightReaderData& data );
00074     virtual void notify_sub_patch( PatchData& pd, WeightReaderData& data, PatchData& subpatch, const size_t* vertex_map,
00075                                    const size_t* element_map, MsqError& err );
00076 
00077     std::string tagBaseName;
00078 };
00079 
00080 }  // namespace MBMesquite
00081 
00082 #endif
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