void DataManager::CopyLookupTable(vtkSmartPointer<vtkLookupTable> from, vtkSmartPointer<vtkLookupTable> to) const
{
// copyTo exists and i don't want to do just a DeepCopy that could release memory, i just want to copy the colors
double rgba[4];
to->Allocate();
to->SetNumberOfTableValues(from->GetNumberOfTableValues());
for (int index = 0; index != from->GetNumberOfTableValues(); index++)
{
from->GetTableValue(index, rgba);
to->SetTableValue(index, rgba);
}
to->SetTableRange(0, from->GetNumberOfTableValues() - 1);
}
void
ExporterVTK<MeshType,N>::saveMesh( mesh_ptrtype mesh, vtkSmartPointer<vtkout_type> out ) const
{
/* get local elements */
//auto r = markedelements(step->mesh(), markerid, EntityProcessType::LOCAL_ONLY );
auto r = elements(mesh);
auto elt_it = r.template get<1>();
auto elt_en = r.template get<2>();
/* Gather points and elements into vectors + info about data */
Feel::detail::MeshPoints<float> mp( mesh.get(), this->worldComm(), elt_it, elt_en, false, true, true, 0 );
/* Add points to data structure */
vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
points->SetDataTypeToFloat();
points->SetNumberOfPoints(mp.ids.size());
float * coords = mp.coords.data();
for ( int i = 0; i < mp.ids.size() ; i++ )
{
points->SetPoint( (vtkIdType)(mp.ids[i]), coords + i * 3 );
}
out->SetPoints(points);
/* Add cells to data structure */
int nbElem = mp.elem.size() / mesh_type::element_type::numPoints;
out->Allocate(nbElem, nbElem);
vtkSmartPointer<vtkelement_type> cell = vtkSmartPointer<vtkelement_type>::New();
for( int i = 0; i < mp.elem.size(); i+=mesh_type::element_type::numPoints )
{
for( int p=0; p < mesh_type::element_type::numPoints; ++p )
{
cell->GetPointIds()->SetId(p, mp.elem[i + p]);
}
out->InsertNextCell(cell->GetCellType(), cell->GetPointIds());
}
}
void TransferFunction::toBWVtkLookupTable(
double rangeMin,
double rangeMax,
vtkSmartPointer<vtkLookupTable> lt,
unsigned int size )
{
SLM_TRACE_FUNC();
// Configures basic parameters
lt->Allocate( size, size );
lt->SetScaleToLinear();
lt->SetRampToLinear();
lt->SetTableRange( rangeMin, rangeMax );
lt->SetAlphaRange( 1.0, 1.0 );
lt->SetHueRange( 0.0, 0.0 );
lt->SetSaturationRange( 0.0, 0.0 );
lt->SetValueRange( 0.0, 1.0 );
lt->Build();
lt->Modified();
}