1 // Copyright (C) 2010-2016 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, or (at your option) any later version.
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 "vtkDataArrayTemplate.h"
23 #include "vtkDoubleArray.h"
24 #include "vtkInformation.h"
25 #include "vtkQuadratureSchemeDefinition.h"
26 #include "vtkInformationQuadratureSchemeDefinitionVectorKey.h"
27 #include "MEDUtilities.hxx"
28 #include "vtkFieldData.h"
32 const char vtkGenerateVectors::VECTOR_SUFFIX[]="_Vector";
34 std::string vtkGenerateVectors::SuffixFieldName(const std::string& name)
36 std::ostringstream oss; oss << name << VECTOR_SUFFIX;
40 void vtkGenerateVectors::Operate(vtkFieldData *fd)
44 const int nbOfArrs(fd->GetNumberOfArrays());
45 std::vector<vtkDoubleArray *> daToAppend;
46 for(int i=0;i<nbOfArrs;i++)
48 vtkDataArray *arr(fd->GetArray(i));
51 vtkDoubleArray *arrc(vtkDoubleArray::SafeDownCast(arr));
54 int nbOfCompo(arrc->GetNumberOfComponents());
55 if(nbOfCompo<=1 || nbOfCompo==3)
58 daToAppend.push_back(Operate2Compo(arrc));
60 daToAppend.push_back(OperateMoreThan3Compo(arrc));
62 for(std::vector<vtkDoubleArray *>::const_iterator it=daToAppend.begin();it!=daToAppend.end();it++)
64 vtkDoubleArray *elt(*it);
72 vtkDoubleArray *vtkGenerateVectors::Operate2Compo(vtkDoubleArray *oldArr)
74 const int VTK_DATA_ARRAY_FREE=vtkDataArrayTemplate<double>::VTK_DATA_ARRAY_FREE;
75 vtkDoubleArray *ret(vtkDoubleArray::New());
76 std::size_t nbOfTuples(oldArr->GetNumberOfTuples());
77 const double *inPt(oldArr->GetPointer(0));
78 double *pt((double *)malloc(nbOfTuples*3*sizeof(double)));
79 for(std::size_t i=0;i<nbOfTuples;i++)
81 pt[3*i+0]=inPt[2*i+0];
82 pt[3*i+1]=inPt[2*i+1];
85 ret->SetNumberOfComponents(3);
86 std::string newName(SuffixFieldName(oldArr->GetName()));
87 ret->SetName(newName.c_str());
88 ret->SetComponentName(0,oldArr->GetComponentName(0));
89 ret->SetComponentName(1,oldArr->GetComponentName(1));
90 ret->SetArray(pt,3*nbOfTuples,0,VTK_DATA_ARRAY_FREE);
91 UpdateInformationOfArray(oldArr,ret);
95 vtkDoubleArray *vtkGenerateVectors::OperateMoreThan3Compo(vtkDoubleArray *oldArr)
97 const int VTK_DATA_ARRAY_FREE=vtkDataArrayTemplate<double>::VTK_DATA_ARRAY_FREE;
98 vtkDoubleArray *ret(vtkDoubleArray::New());
99 int nbOfCompo(oldArr->GetNumberOfComponents());
100 std::size_t nbOfTuples(oldArr->GetNumberOfTuples());
101 const double *inPt(oldArr->GetPointer(0));
102 double *pt((double *)malloc(nbOfTuples*3*sizeof(double)));
103 for(std::size_t i=0;i<nbOfTuples;i++)
105 pt[3*i+0]=inPt[nbOfCompo*i+0];
106 pt[3*i+1]=inPt[nbOfCompo*i+1];
107 pt[3*i+2]=inPt[nbOfCompo*i+2];
109 ret->SetNumberOfComponents(3);
110 std::string newName(SuffixFieldName(oldArr->GetName()));
111 ret->SetName(newName.c_str());
112 ret->SetComponentName(0,oldArr->GetComponentName(0));
113 ret->SetComponentName(1,oldArr->GetComponentName(1));
114 ret->SetComponentName(2,oldArr->GetComponentName(2));
115 ret->SetArray(pt,3*nbOfTuples,0,VTK_DATA_ARRAY_FREE);
116 UpdateInformationOfArray(oldArr,ret);
120 void vtkGenerateVectors::UpdateInformationOfArray(vtkDoubleArray *oldArr, vtkDoubleArray *arr)
122 if(oldArr->GetInformation()->Has(vtkQuadratureSchemeDefinition::QUADRATURE_OFFSET_ARRAY_NAME()))
124 arr->GetInformation()->Set(vtkQuadratureSchemeDefinition::QUADRATURE_OFFSET_ARRAY_NAME(),oldArr->GetInformation()->Get((vtkQuadratureSchemeDefinition::QUADRATURE_OFFSET_ARRAY_NAME())));
126 if(oldArr->GetInformation()->Get(MEDUtilities::ELGA()))
127 arr->GetInformation()->Set(MEDUtilities::ELGA(),1);
128 vtkInformationQuadratureSchemeDefinitionVectorKey *key(vtkQuadratureSchemeDefinition::DICTIONARY());
129 if(key->Has(oldArr->GetInformation()))
131 int dictSize(key->Size(oldArr->GetInformation()));
132 vtkQuadratureSchemeDefinition **dict = new vtkQuadratureSchemeDefinition *[dictSize];
133 key->GetRange(oldArr->GetInformation(),dict,0,0,dictSize);
134 key->SetRange(arr->GetInformation(),dict,0,0,dictSize);
137 if(oldArr->GetInformation()->Get(MEDUtilities::ELNO()))
138 arr->GetInformation()->Set(MEDUtilities::ELNO(),1);