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/*=========================================================================
Program: Visualization Toolkit
Module: vtkQuadraturePointInterpolator.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 "vtkQuadraturePointInterpolator.h"
#include "vtkQuadratureSchemeDefinition.h"
#include "vtkUnstructuredGrid.h"
#include "vtkPolyData.h"
#include "vtkPoints.h"
#include "vtkType.h"
#include "vtkDoubleArray.h"
#include "vtkDataArray.h"
#include "vtkPointData.h"
#include "vtkCellData.h"
#include "vtkCellType.h"
#include "vtkCellArray.h"
#include "vtkIdTypeArray.h"
#include "vtkIntArray.h"
#include "vtkUnstructuredGridAlgorithm.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkInformationQuadratureSchemeDefinitionVectorKey.h"
#include "vtkObjectFactory.h"
#include <sstream>
using std::ostringstream;
#include "vtkQuadraturePointsUtilities.hxx"
vtkStandardNewMacro(vtkQuadraturePointInterpolator);
//-----------------------------------------------------------------------------
vtkQuadraturePointInterpolator::vtkQuadraturePointInterpolator()
{
this->Clear();
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
}
//-----------------------------------------------------------------------------
vtkQuadraturePointInterpolator::~vtkQuadraturePointInterpolator()
{
this->Clear();
}
//-----------------------------------------------------------------------------
int vtkQuadraturePointInterpolator::FillInputPortInformation(
int port,
vtkInformation *info)
{
switch (port)
{
case 0:
info->Set(vtkDataObject::DATA_TYPE_NAME(),"vtkUnstructuredGrid");
break;
}
return 1;
}
//-----------------------------------------------------------------------------
int vtkQuadraturePointInterpolator::FillOutputPortInformation(
int port,
vtkInformation *info)
{
switch (port)
{
case 0:
info->Set(vtkDataObject::DATA_TYPE_NAME(),"vtkUnstructuredGrid");
break;
}
return 1;
}
//-----------------------------------------------------------------------------
int vtkQuadraturePointInterpolator::RequestData(
vtkInformation *,
vtkInformationVector **input,
vtkInformationVector *output)
{
vtkDataObject *tmpDataObj;
// Get the inputs
tmpDataObj
= input[0]->GetInformationObject(0)->Get(vtkDataObject::DATA_OBJECT());
vtkUnstructuredGrid *usgIn
= vtkUnstructuredGrid::SafeDownCast(tmpDataObj);
// Get the outputs
tmpDataObj
= output->GetInformationObject(0)->Get(vtkDataObject::DATA_OBJECT());
vtkUnstructuredGrid *usgOut
= vtkUnstructuredGrid::SafeDownCast(tmpDataObj);
// Quick sanity check.
if (usgIn==NULL || usgOut==NULL
|| usgIn->GetNumberOfCells()==0
|| usgIn->GetNumberOfPoints()==0
|| usgIn->GetPointData()==NULL
|| usgIn->GetPointData()->GetNumberOfArrays()==0)
{
vtkWarningMacro("Filter data has not been configured correctly. Aborting.");
return 1;
}
// Copy the unstructured grid on the input
usgOut->ShallowCopy(usgIn);
// Interpolate the data arrays, but no points. Results
// are stored in field data arrays.
this->InterpolateFields(usgOut);
return 1;
}
//-----------------------------------------------------------------------------
void vtkQuadraturePointInterpolator::Clear()
{
// Nothing to do
}
//-----------------------------------------------------------------------------
int vtkQuadraturePointInterpolator::InterpolateFields(
vtkUnstructuredGrid *usgOut)
{
// Extract info we need for all cells.
vtkIdType nCells=usgOut->GetNumberOfCells();
// For each array we interpolate scalar data to the
// integration point location. Results are in associated
// field data arrays.
int nArrays
= usgOut->GetPointData()->GetNumberOfArrays();
vtkDataArray *offsets=this->GetInputArrayToProcess(0,usgOut);
if(offsets == NULL)
{
vtkWarningMacro("no Offset array, skipping.");
return 0;
}
const char* arrayOffsetName = offsets->GetName();
void *pOffsets = offsets->GetVoidPointer(0);
int O_Type = offsets->GetDataType();
vtkInformation *info=offsets->GetInformation();
vtkInformationQuadratureSchemeDefinitionVectorKey *key=vtkQuadratureSchemeDefinition::DICTIONARY();
if (!key->Has(info))
{
vtkWarningMacro("Dictionary is not present in. Skipping.");
return 0;
}
int dictSize= key->Size(info);
vtkQuadratureSchemeDefinition **dict=new vtkQuadratureSchemeDefinition *[dictSize];
key->GetRange(info,dict,0,0,dictSize);
// interpolate the arrays
for (int arrayId=0; arrayId<nArrays; ++arrayId)
{
// Grab the next array
vtkDataArray *V=usgOut->GetPointData()->GetArray(arrayId);
int V_type=V->GetDataType();
void *pV=V->GetVoidPointer(0);
// Use two arrays, one with the interpolated values,
// the other with offsets to the start of each cell's
// interpolated values.
int nComps=V->GetNumberOfComponents();
vtkDoubleArray *interpolated=vtkDoubleArray::New();
interpolated->SetNumberOfComponents(nComps);
interpolated->CopyComponentNames( V );
interpolated->Allocate(nComps*nCells); // at least one qp per cell
ostringstream interpolatedName;
interpolatedName << V->GetName();// << "_QP_Interpolated";
interpolated->SetName(interpolatedName.str().c_str());
usgOut->GetFieldData()->AddArray(interpolated);
interpolated->GetInformation()->Set(
vtkQuadratureSchemeDefinition::QUADRATURE_OFFSET_ARRAY_NAME(),
arrayOffsetName);
interpolated->Delete();
// For all cells interpolate.
switch (V_type)
{
vtkTemplateMacro(
if (!Interpolate(
usgOut,
nCells,
static_cast<VTK_TT*>(pV),
nComps,
dict,
interpolated,
pOffsets,
O_Type))
{
vtkWarningMacro("Failed to interpolate fields "
"to quadrature points. Aborting.");
return 0;
}
);
}
}
delete [] dict;
return 1;
}
//-----------------------------------------------------------------------------
void vtkQuadraturePointInterpolator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "No state." << endl;
}
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