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/*=========================================================================
Program: Visualization Toolkit
Module: vtkMapperNode.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkMapperNode.h"
#include "vtkAbstractArray.h"
#include "vtkAbstractVolumeMapper.h"
#include "vtkCellArray.h"
#include "vtkCellData.h"
#include "vtkDataSet.h"
#include "vtkMapper.h"
#include "vtkMath.h"
#include "vtkMatrix4x4.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPoints.h"
#include "vtkPolyData.h"
#include "vtkPolygon.h"
#include "vtkProperty.h"
//============================================================================
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkMapperNode);
//------------------------------------------------------------------------------
vtkMapperNode::vtkMapperNode() = default;
//------------------------------------------------------------------------------
vtkMapperNode::~vtkMapperNode() = default;
//------------------------------------------------------------------------------
void vtkMapperNode::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
vtkAbstractArray* vtkMapperNode::GetArrayToProcess(vtkDataSet* input, int& cellFlag)
{
cellFlag = -1;
vtkAbstractVolumeMapper* mapper = vtkAbstractVolumeMapper::SafeDownCast(this->GetRenderable());
if (!mapper)
{
return nullptr;
}
vtkAbstractArray* scalars;
int scalarMode = mapper->GetScalarMode();
if (scalarMode == VTK_SCALAR_MODE_DEFAULT)
{
scalars = input->GetPointData()->GetScalars();
cellFlag = 0;
if (!scalars)
{
scalars = input->GetCellData()->GetScalars();
cellFlag = 1;
}
return scalars;
}
if (scalarMode == VTK_SCALAR_MODE_USE_POINT_DATA)
{
scalars = input->GetPointData()->GetScalars();
cellFlag = 0;
return scalars;
}
if (scalarMode == VTK_SCALAR_MODE_USE_CELL_DATA)
{
scalars = input->GetCellData()->GetScalars();
cellFlag = 1;
return scalars;
}
int arrayAccessMode = mapper->GetArrayAccessMode();
const char* arrayName = mapper->GetArrayName();
int arrayId = mapper->GetArrayId();
vtkPointData* pd;
vtkCellData* cd;
vtkFieldData* fd;
if (scalarMode == VTK_SCALAR_MODE_USE_POINT_FIELD_DATA)
{
pd = input->GetPointData();
if (arrayAccessMode == VTK_GET_ARRAY_BY_ID)
{
scalars = pd->GetAbstractArray(arrayId);
}
else
{
scalars = pd->GetAbstractArray(arrayName);
}
cellFlag = 0;
return scalars;
}
if (scalarMode == VTK_SCALAR_MODE_USE_CELL_FIELD_DATA)
{
cd = input->GetCellData();
if (arrayAccessMode == VTK_GET_ARRAY_BY_ID)
{
scalars = cd->GetAbstractArray(arrayId);
}
else
{
scalars = cd->GetAbstractArray(arrayName);
}
cellFlag = 1;
return scalars;
}
if (scalarMode == VTK_SCALAR_MODE_USE_FIELD_DATA)
{
fd = input->GetFieldData();
if (arrayAccessMode == VTK_GET_ARRAY_BY_ID)
{
scalars = fd->GetAbstractArray(arrayId);
}
else
{
scalars = fd->GetAbstractArray(arrayName);
}
cellFlag = 2;
return scalars;
}
return nullptr;
}
VTK_ABI_NAMESPACE_END
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