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Fix for the 21125: EDF 1233 SMESH: Degrardation of precision in a test case for quadratic conversion.

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This commit is contained in:
rnv 2011-01-10 15:38:48 +00:00
parent 07808b26b0
commit 96cbac2048
2 changed files with 10 additions and 1 deletions
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6
src/SMDS/SMDS_Mesh.cxx
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@ -154,6 +154,9 @@ SMDS_Mesh::SMDS_Mesh()
myGrid->Initialize(); myGrid->Initialize();
myGrid->Allocate(); myGrid->Allocate();
vtkPoints* points = vtkPoints::New(); vtkPoints* points = vtkPoints::New();
// rnv: to fix bug "21125: EDF 1233 SMESH: Degrardation of precision in a test case for quadratic conversion"
// using double type for storing coordinates of nodes instead float.
points->SetDataType(VTK_DOUBLE);
points->SetNumberOfPoints(SMDS_Mesh::chunkSize); points->SetNumberOfPoints(SMDS_Mesh::chunkSize);
myGrid->SetPoints( points ); myGrid->SetPoints( points );
points->Delete(); points->Delete();
@ -2503,6 +2506,9 @@ void SMDS_Mesh::Clear()
myGrid->Initialize(); myGrid->Initialize();
myGrid->Allocate(); myGrid->Allocate();
vtkPoints* points = vtkPoints::New(); vtkPoints* points = vtkPoints::New();
// rnv: to fix bug "21125: EDF 1233 SMESH: Degrardation of precision in a test case for quadratic conversion"
// using double type for storing coordinates of nodes instead float.
points->SetDataType(VTK_DOUBLE);
points->SetNumberOfPoints(SMDS_Mesh::chunkSize); points->SetNumberOfPoints(SMDS_Mesh::chunkSize);
myGrid->SetPoints( points ); myGrid->SetPoints( points );
points->Delete(); points->Delete();

5
src/SMDS/SMDS_UnstructuredGrid.cxx
View File

@ -160,6 +160,9 @@ void SMDS_UnstructuredGrid::compactGrid(std::vector<int>& idNodesOldToNew, int n
{ {
MESSAGE("-------------- compactGrid, newNodeSize " << newNodeSize); MESSAGE("-------------- compactGrid, newNodeSize " << newNodeSize);
newPoints = vtkPoints::New(); newPoints = vtkPoints::New();
// rnv: to fix bug "21125: EDF 1233 SMESH: Degrardation of precision in a test case for quadratic conversion"
// using double type for storing coordinates of nodes instead float.
newPoints->SetDataType(VTK_DOUBLE);
newPoints->Initialize(); newPoints->Initialize();
newPoints->Allocate(newNodeSize); newPoints->Allocate(newNodeSize);
newPoints->SetNumberOfPoints(newNodeSize); newPoints->SetNumberOfPoints(newNodeSize);
@ -371,7 +374,7 @@ void SMDS_UnstructuredGrid::copyNodes(vtkPoints *newPoints, std::vector<int>& id
int nbPoints = end - start; int nbPoints = end - start;
if (nbPoints > 0) if (nbPoints > 0)
{ {
memcpy(target, source, 3 * sizeof(float) * nbPoints); memcpy(target, source, 3 * sizeof(double) * nbPoints);
for (int j = start; j < end; j++) for (int j = start; j < end; j++)
idNodesOldToNew[j] = alreadyCopied++; // old vtkId --> new vtkId idNodesOldToNew[j] = alreadyCopied++; // old vtkId --> new vtkId
//idNodesOldToNew[alreadyCopied++] = idNodesOldToNew[j]; // new vtkId --> old SMDS id //idNodesOldToNew[alreadyCopied++] = idNodesOldToNew[j]; // new vtkId --> old SMDS id