Chaste Commit::ca8ccdedf819b6e02855bc0e8e6f50bdecbc5208
AbstractPerElementWriter.hpp
1/*
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34*/
35#ifndef ABSTRACTPERELEMENTWRITER_HPP_
36#define ABSTRACTPERELEMENTWRITER_HPP_
37
38#include "AbstractTetrahedralMesh.hpp"
40#include "OutputFileHandler.hpp"
41#include "Version.hpp"
42
48template<unsigned ELEMENT_DIM, unsigned SPACE_DIM, unsigned DATA_SIZE>
50{
51private:
54protected:
59
64 out_stream mpMasterFile;
65
74 virtual void Visit(Element<ELEMENT_DIM, SPACE_DIM>* pElement,
75 unsigned localElementIndex,
76 c_vector<double, DATA_SIZE>& rData)=0;
77
85 virtual void WriteElementOnMaster(const c_vector<double, DATA_SIZE>& rData)
86 {
87 if (mFileIsBinary)
88 {
89 //The binary file is row-major
90 mpMasterFile->write((char*)&rData[0], DATA_SIZE*sizeof(double));
91 }
92 else
93 {
94 for (unsigned i=0; i<DATA_SIZE; i++)
95 {
96 (*mpMasterFile) << rData[i] << "\t";
97 }
98 (*mpMasterFile)<<"\n";
99 }
100 }
101
109 virtual void WriteHeaderOnMaster()
110 {
111 }
112
119 virtual void PreWriteCalculations(OutputFileHandler& rOutputDirectory)
120 {
121 }
122
123public:
124
137
149 void WriteData(OutputFileHandler& rHandler, const std::string& rFileName)
150 {
151 PreWriteCalculations(rHandler);
152
153 c_vector<double, DATA_SIZE> data;
155 {
156 mpMasterFile = rHandler.OpenOutputFile(rFileName);
157 MPI_Status status;
158 status.MPI_ERROR = MPI_SUCCESS; //For MPICH2
160 // say whether the fibres are binary in the header line (not ended yet!)
161 if (mFileIsBinary)
162 {
163 *mpMasterFile << "\tBIN\n";
164 }
165 else
166 {
167 *mpMasterFile << "\n";
168 }
169 // The master process needs to keep track of both the global element list
170 // (so that all elements are concentrated) and the local element list (so that
171 // a local element index can be applied
172 unsigned local_element_index=0u; //Data invariant associates iter with local_element_index
173 typename AbstractTetrahedralMesh<ELEMENT_DIM,SPACE_DIM>::ElementIterator iter = mpMesh->GetElementIteratorBegin();
174
175 for (unsigned global_element_index=0; global_element_index<mpMesh->GetNumElements(); global_element_index++)
176 {
177 if (mpMesh->CalculateDesignatedOwnershipOfElement(global_element_index))
178 {
179 Element<ELEMENT_DIM,SPACE_DIM>* p_elem = mpMesh->GetElement(global_element_index);
180 //Spool forward in the local vector of elements
181 while (&(*iter) != p_elem)
182 {
183 ++iter;
184 local_element_index++;
185 assert(iter != mpMesh->GetElementIteratorEnd());
186 }
187 //Master owns this process and can write it directly
188 Visit(p_elem, local_element_index, data);
189 }
190 else
191 {
192 //Data must come from a remote process
193 MPI_Recv(&data[0], DATA_SIZE, MPI_DOUBLE, MPI_ANY_SOURCE, global_element_index, PETSC_COMM_WORLD, &status);
194 }
196 }
198 mpMasterFile->close();
199 }
200 else
201 {
202 //Not master process
203 unsigned previous_index = 0u; //Used to check that the indices are monotone
204 unsigned local_index = 0u;
205 for (typename AbstractTetrahedralMesh<ELEMENT_DIM,SPACE_DIM>::ElementIterator iter = mpMesh->GetElementIteratorBegin();
206 iter != mpMesh->GetElementIteratorEnd();
207 ++iter, local_index++)
208 {
209 unsigned element_index = iter->GetIndex();
210 //Check monotonicity
211 if (previous_index>0u)
212 {
213 assert(element_index > previous_index);
214 }
215 previous_index = element_index;
216 if (mpMesh->CalculateDesignatedOwnershipOfElement(element_index))
217 {
218 // The master needs to know about this one.
219 Visit(&(*iter), local_index, data);
221 MPI_Ssend(&data[0], DATA_SIZE, MPI_DOUBLE, 0, element_index, PETSC_COMM_WORLD);//Tag with element_index
222 }
223 }
224
225 }
226 }
227
235 void SetWriteFileAsBinary(bool binary=true)
236 {
237 mFileIsBinary = binary;
238 }
239
244 {
245 }
246};
247
248
249#endif /*ABSTRACTPERELEMENTWRITER_HPP_*/
AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > * mpMesh
virtual void WriteElementOnMaster(const c_vector< double, DATA_SIZE > &rData)
AbstractPerElementWriter(AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > *pMesh)
void SetWriteFileAsBinary(bool binary=true)
void WriteData(OutputFileHandler &rHandler, const std::string &rFileName)
virtual void Visit(Element< ELEMENT_DIM, SPACE_DIM > *pElement, unsigned localElementIndex, c_vector< double, DATA_SIZE > &rData)=0
virtual void PreWriteCalculations(OutputFileHandler &rOutputDirectory)
static std::string GetProvenanceString()
out_stream OpenOutputFile(const std::string &rFileName, std::ios_base::openmode mode=std::ios::out|std::ios::trunc) const
static bool AmMaster()