00001 /* @HEADER@ */ 00002 // ************************************************************************ 00003 // 00004 // Sundance 00005 // Copyright (2005) Sandia Corporation 00006 // 00007 // Copyright (year first published) Sandia Corporation. Under the terms 00008 // of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government 00009 // retains certain rights in this software. 00010 // 00011 // This library is free software; you can redistribute it and/or modify 00012 // it under the terms of the GNU Lesser General Public License as 00013 // published by the Free Software Foundation; either version 2.1 of the 00014 // License, or (at your option) any later version. 00015 // 00016 // This library is distributed in the hope that it will be useful, but 00017 // WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 // Lesser General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Lesser General Public 00022 // License along with this library; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00024 // USA 00025 // Questions? Contact Kevin Long (krlong@sandia.gov), 00026 // Sandia National Laboratories, Livermore, California, USA 00027 // 00028 // ************************************************************************ 00029 /* @HEADER@ */ 00030 00031 #ifndef SUNDANCE_BINARYCELLFILTER_H 00032 #define SUNDANCE_BINARYCELLFILTER_H 00033 00034 #include "SundanceDefs.hpp" 00035 #include "SundanceCellFilter.hpp" 00036 #include "SundanceCellFilterBase.hpp" 00037 00038 namespace Sundance 00039 { 00040 using namespace Teuchos; 00041 00042 /** 00043 * BinaryCellFilter implements cell filters that do 00044 * binary logical operations on cell sets. 00045 */ 00046 class BinaryCellFilter : public CellFilterBase 00047 { 00048 public: 00049 00050 /** */ 00051 enum CellFilterOpType {Union, Intersection, Difference}; 00052 00053 /** Empty ctor */ 00054 BinaryCellFilter(const CellFilter& left, const CellFilter& right, 00055 const CellFilterOpType& op); 00056 00057 /** virtual dtor */ 00058 virtual ~BinaryCellFilter(){;} 00059 00060 /** Return the dimension of the cells that will be identified 00061 * by this filter when acting on the given mesh */ 00062 virtual int dimension(const Mesh& mesh) const ; 00063 00064 /** Write to XML */ 00065 virtual XMLObject toXML() const ; 00066 00067 /** Ordering */ 00068 virtual bool lessThan(const CellFilterStub* other) const ; 00069 00070 /** Return the name of the type. Used in ordering. */ 00071 virtual std::string typeName() const {return "BinaryOpCellFilter";} 00072 00073 /* */ 00074 GET_RCP(CellFilterStub); 00075 protected: 00076 00077 /** Get my cells for the given mesh */ 00078 virtual CellSet internalGetCells(const Mesh& mesh) const ; 00079 00080 private: 00081 /** */ 00082 std::string opName() const ; 00083 00084 /** The operation I perform */ 00085 CellFilterOpType op_; 00086 00087 /** My left operand */ 00088 CellFilter left_; 00089 00090 /** My right operand */ 00091 CellFilter right_; 00092 }; 00093 } 00094 00095 00096 #endif