1 // Copyright (C) 2010-2014 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 // Author : Anthony Geay
21 #include "vtkGenerateVectors.h"
22 #include "vtkDoubleArray.h"
23 #include "vtkInformation.h"
24 #include "vtkQuadratureSchemeDefinition.h"
25 #include "MEDUtilities.hxx"
26 #include "vtkFieldData.h"
30 const char vtkGenerateVectors::VECTOR_SUFFIX[]="_Vector";
32 std::string vtkGenerateVectors::SuffixFieldName(const std::string& name)
34 std::ostringstream oss; oss << name << VECTOR_SUFFIX;
38 void vtkGenerateVectors::Operate(vtkFieldData *fd)
42 const int nbOfArrs(fd->GetNumberOfArrays());
43 std::vector<vtkDoubleArray *> daToAppend;
44 for(int i=0;i<nbOfArrs;i++)
46 vtkDataArray *arr(fd->GetArray(i));
49 vtkDoubleArray *arrc(vtkDoubleArray::SafeDownCast(arr));
52 int nbOfCompo(arrc->GetNumberOfComponents());
53 if(nbOfCompo<=1 || nbOfCompo==3)
56 daToAppend.push_back(Operate2Compo(arrc));
58 daToAppend.push_back(OperateMoreThan3Compo(arrc));
60 for(std::vector<vtkDoubleArray *>::const_iterator it=daToAppend.begin();it!=daToAppend.end();it++)
62 vtkDoubleArray *elt(*it);
70 vtkDoubleArray *vtkGenerateVectors::Operate2Compo(vtkDoubleArray *oldArr)
72 static const int VTK_DATA_ARRAY_FREE=vtkDataArrayTemplate<double>::VTK_DATA_ARRAY_FREE;
73 vtkDoubleArray *ret(vtkDoubleArray::New());
74 std::size_t nbOfTuples(oldArr->GetNumberOfTuples());
75 const double *inPt(oldArr->GetPointer(0));
76 double *pt((double *)malloc(nbOfTuples*3*sizeof(double)));
77 for(std::size_t i=0;i<nbOfTuples;i++)
79 pt[3*i+0]=inPt[2*i+0];
80 pt[3*i+1]=inPt[2*i+1];
83 ret->SetNumberOfComponents(3);
84 std::string newName(SuffixFieldName(oldArr->GetName()));
85 ret->SetName(newName.c_str());
86 ret->SetComponentName(0,oldArr->GetComponentName(0));
87 ret->SetComponentName(1,oldArr->GetComponentName(1));
88 ret->SetArray(pt,3*nbOfTuples,0,VTK_DATA_ARRAY_FREE);
89 UpdateInformationOfArray(oldArr,ret);
93 vtkDoubleArray *vtkGenerateVectors::OperateMoreThan3Compo(vtkDoubleArray *oldArr)
95 static const int VTK_DATA_ARRAY_FREE=vtkDataArrayTemplate<double>::VTK_DATA_ARRAY_FREE;
96 vtkDoubleArray *ret(vtkDoubleArray::New());
97 int nbOfCompo(oldArr->GetNumberOfComponents());
98 std::size_t nbOfTuples(oldArr->GetNumberOfTuples());
99 const double *inPt(oldArr->GetPointer(0));
100 double *pt((double *)malloc(nbOfTuples*3*sizeof(double)));
101 for(std::size_t i=0;i<nbOfTuples;i++)
103 pt[3*i+0]=inPt[nbOfCompo*i+0];
104 pt[3*i+1]=inPt[nbOfCompo*i+1];
105 pt[3*i+2]=inPt[nbOfCompo*i+2];
107 ret->SetNumberOfComponents(3);
108 std::string newName(SuffixFieldName(oldArr->GetName()));
109 ret->SetName(newName.c_str());
110 ret->SetComponentName(0,oldArr->GetComponentName(0));
111 ret->SetComponentName(1,oldArr->GetComponentName(1));
112 ret->SetComponentName(2,oldArr->GetComponentName(2));
113 ret->SetArray(pt,3*nbOfTuples,0,VTK_DATA_ARRAY_FREE);
114 UpdateInformationOfArray(oldArr,ret);
118 void vtkGenerateVectors::UpdateInformationOfArray(vtkDoubleArray *oldArr, vtkDoubleArray *arr)
120 if(oldArr->GetInformation()->Has(vtkQuadratureSchemeDefinition::QUADRATURE_OFFSET_ARRAY_NAME()))
122 arr->GetInformation()->Set(vtkQuadratureSchemeDefinition::QUADRATURE_OFFSET_ARRAY_NAME(),oldArr->GetInformation()->Get((vtkQuadratureSchemeDefinition::QUADRATURE_OFFSET_ARRAY_NAME())));
124 if(oldArr->GetInformation()->Get(MEDUtilities::ELGA()))
125 arr->GetInformation()->Set(MEDUtilities::ELGA(),1);
126 if(oldArr->GetInformation()->Get(MEDUtilities::ELNO()))
127 arr->GetInformation()->Set(MEDUtilities::ELNO(),1);