/[escript]/trunk/dataexporter/src/NodeData.h
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trunk/tools/libescriptreader/src/escriptreader/Mesh.h revision 2806 by jfenwick, Mon Jul 20 06:20:06 2009 UTC trunk/dataexporter/src/NodeData.h revision 2810 by caltinay, Mon Dec 7 04:13:49 2009 UTC
# Line 11  Line 11 
11  *  *
12  *******************************************************/  *******************************************************/
13    
14  //  #ifndef __NODEDATA_H__
15  // Mesh.h  #define __NODEDATA_H__
 //  
 #ifndef __MESH_H__  
 #define __MESH_H__  
16    
17  #include <escriptreader/common.h>  #include <escriptexport/escriptexport.h>
18    
19  class DBfile;  class DBfile;
20    class NcFile;
21    struct Finley_NodeFile;
22    
23  namespace EscriptReader {  namespace escriptexport {
   
 class ElementData;  
24    
25  /// \brief  /// \brief
26  class Mesh  class NodeData
27  {  {
28  public:  public:
29      /// \brief Constructor with mesh coordinates, dimensionality and size.      /// \brief Constructor with mesh name.
30      Mesh(CoordArray c, int nDims, int nNodes);      ESCRIPTEXPORT_DLL_API
31        NodeData(const std::string& meshName);
32        
33        ESCRIPTEXPORT_DLL_API
34        NodeData(NodeData_ptr fullNodes, IntVec& requiredNodes,
35                 const std::string& meshName);
36    
37      /// \brief Copy constructor.      /// \brief Copy constructor.
38      Mesh(const Mesh& m);      ESCRIPTEXPORT_DLL_API
39        NodeData(const NodeData& m);
40    
41      /// \brief Virtual destructor      /// \brief Virtual destructor
42      virtual ~Mesh();      ESCRIPTEXPORT_DLL_API
43        virtual ~NodeData();
44    
45      virtual bool readFromNc(const std::string& ncFile);      /// \brief Initialises with finley node file.
46      virtual bool writeToSilo(DBfile* dbfile, const std::string& pathInSilo);      ESCRIPTEXPORT_DLL_API
47        bool initFromFinley(const Finley_NodeFile* finleyFile);
48    
49        /// \brief Reads node data from a NetCDF file.
50        ESCRIPTEXPORT_DLL_API
51        bool readFromNc(NcFile* ncFile);
52    
53        /// \brief Writes node data to a Silo file.
54        ESCRIPTEXPORT_DLL_API
55        bool writeToSilo(DBfile* dbfile);
56    
57        /// \brief Sets the silo path to be used when saving.
58        ESCRIPTEXPORT_DLL_API
59        void setSiloPath(const std::string& path) { siloPath = path; }
60    
61        /// \brief Returns an array of nodal data by the given name.
62        ///
63        /// The name must be one of the names returned by getVarNames().
64        ESCRIPTEXPORT_DLL_API
65        const IntVec& getVarDataByName(const std::string& name) const;
66    
67        /// \brief Returns a vector with the mesh variable names.
68        ESCRIPTEXPORT_DLL_API
69        StringVec getVarNames() const;
70    
71      void setName(const std::string& n) { name = n; }      /// \brief Returns the name of this node mesh.
72        ESCRIPTEXPORT_DLL_API
73      std::string getName() const { return name; }      std::string getName() const { return name; }
74    
75      void setSiloPath(const std::string& p) { siloPath = p; }      /// \brief Returns full Silo mesh name, e.g. "/block0000/Nodes".
76      std::string getSiloPath() const { return siloPath; }      ESCRIPTEXPORT_DLL_API
   
     /// \brief Returns full Silo mesh name, e.g. "/block0000/Elements".  
77      std::string getFullSiloName() const;      std::string getFullSiloName() const;
78        
79        /// \brief Returns the node ID array.
80        ESCRIPTEXPORT_DLL_API
81      const IntVec& getNodeIDs() const { return nodeID; }      const IntVec& getNodeIDs() const { return nodeID; }
     void setNodeIDs(const IntVec& ids) { nodeID = ids; }  
82    
83      const IndexMap& getIndexMap() const { return nodeID2idx; }      /// \brief Returns a node ID to index mapping for this mesh.
84      void setIndexMap(const IndexMap& map) { nodeID2idx = map; }      ESCRIPTEXPORT_DLL_API
85        IndexMap getIndexMap() const;
86    
87      /// \brief Returns an array with the coordinates of the mesh nodes.      /// \brief Returns the coordinates of the mesh nodes.
88        ESCRIPTEXPORT_DLL_API
89      const CoordArray& getCoords() const { return coords; }      const CoordArray& getCoords() const { return coords; }
90    
91      /// \brief Returns the dimensionality of this mesh (2 or 3).      /// \brief Returns the dimensionality of this mesh (2 or 3).
92        ESCRIPTEXPORT_DLL_API
93      int getNumDims() const { return numDims; }      int getNumDims() const { return numDims; }
94    
95      /// \brief Returns the number of mesh nodes.      /// \brief Returns the number of mesh nodes.
96        ESCRIPTEXPORT_DLL_API
97      int getNumNodes() const { return numNodes; }      int getNumNodes() const { return numNodes; }
98    
99  protected:      /// \brief Removes "ghost" nodes.
100      /// \brief Protected default constructor.      ESCRIPTEXPORT_DLL_API
101      Mesh() {}      void removeGhostNodes(int ownIndex);
       
     void buildIndexMap();  
102    
103      CoordArray coords;       /// x, y[, z] coordinates of mesh nodes  protected:
104      int numDims;             /// dimensionality of mesh (2 or 3)      CoordArray coords;         /// x, y[, z] coordinates of nodes
105      int numNodes;            /// number of mesh nodes      int numDims;               /// dimensionality (2 or 3)
106      IntVec nodeID;           /// node IDs      int numNodes;              /// number of nodes
107      IndexMap nodeID2idx;     /// mapping of node ID -> array index      IntVec nodeID;             /// node IDs
108      std::string name;        /// the name of this mesh      IntVec nodeTag, nodeGDOF, nodeGNI, nodeGRDFI, nodeGRNI;
109      std::string siloPath;    /// absolute path in Silo file      IntVec nodeDist;           /// node distribution
110        std::string name;          /// the name of this node mesh
111        std::string siloPath;      /// the path to this mesh within the SILO file
112  };  };
113    
114    
115  inline void Mesh::buildIndexMap()  inline IndexMap NodeData::getIndexMap() const
116  {  {
117      nodeID2idx.clear();      IndexMap nodeID2idx;
118      int idx = 0;      int idx = 0;
119      IntVec::const_iterator idIt;      IntVec::const_iterator idIt;
120      for (idIt = nodeID.begin(); idIt != nodeID.end(); idIt++, idx++)      for (idIt = nodeID.begin(); idIt != nodeID.end(); idIt++, idx++)
121          nodeID2idx[*idIt] = idx;          nodeID2idx[*idIt] = idx;
122        return nodeID2idx;
123  }  }
124    
125  inline std::string Mesh::getFullSiloName() const  inline std::string NodeData::getFullSiloName() const
126  {  {
127      if (siloPath == "/")      std::string result(siloPath);
128          return siloPath + name;      if (result.length() == 0 || *result.rbegin() != '/')
129      else          result += '/';
130          return siloPath + std::string("/") + name;      result += name;
131        return result;
132  }  }
133    
134  } // namespace EscriptReader  } // namespace escriptexport
135    
136  #endif // __MESH_H__  #endif // __NODEDATA_H__
137    
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