void FieldDataVisualizer::setActiveHueLut(vtkSmartPointer<vtkLookupTable>& _hueLut) {
double scalarRange[2];
myHMeshToVtkUnstructuredGrid->getVtkUnstructuredGrid()->GetPointData()->GetScalars()->GetRange(scalarRange);
mySelectedMapper->UseLookupTableScalarRangeOn();
// Create a lookup table to share between the mapper and the scalarbar
_hueLut->SetTableRange(scalarRange[0], scalarRange[1]);
_hueLut->SetHueRange(0.667, 0.0);
_hueLut->SetValueRange(1, 1);
_hueLut->Build();
mySelectedMapper->SetLookupTable(_hueLut);
}
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();
}