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/*=========================================================================
Program: Visualization Toolkit
Module: vtkInterpolateDataSetAttributes.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 "vtkInterpolateDataSetAttributes.h"
#include "vtkCellData.h"
#include "vtkDataSetCollection.h"
#include "vtkExecutive.h"
#include "vtkGarbageCollector.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkRectilinearGrid.h"
#include "vtkStructuredGrid.h"
#include "vtkStructuredPoints.h"
#include "vtkUnstructuredGrid.h"
vtkStandardNewMacro(vtkInterpolateDataSetAttributes);
// Create object with no input or output.
vtkInterpolateDataSetAttributes::vtkInterpolateDataSetAttributes()
{
this->InputList = vtkDataSetCollection::New();
this->T = 0.0;
}
vtkInterpolateDataSetAttributes::~vtkInterpolateDataSetAttributes()
{
if (this->InputList)
{
this->InputList->Delete();
this->InputList = NULL;
}
}
vtkDataSetCollection *vtkInterpolateDataSetAttributes::GetInputList()
{
int i;
this->InputList->RemoveAllItems();
for (i = 0; i < this->GetNumberOfInputConnections(0); i++)
{
this->InputList->AddItem(static_cast<vtkDataSet *>(this->GetExecutive()->GetInputData(0, i)));
}
return this->InputList;
}
// Interpolate the data
int vtkInterpolateDataSetAttributes::RequestData(
vtkInformation *vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
// get the info object
vtkInformation *outInfo = outputVector->GetInformationObject(0);
// get the ouptut
vtkDataSet *output = vtkDataSet::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkIdType numPts, numCells, i;
int numInputs = this->GetNumberOfInputConnections(0);
int lowDS, highDS;
vtkDataSet *ds, *ds2;
vtkPointData *outputPD = output->GetPointData();
vtkCellData *outputCD = output->GetCellData();
vtkPointData *inputPD, *input2PD;
vtkCellData *inputCD, *input2CD;
double t;
if ( numInputs < 2 )
{
vtkErrorMacro(<< "Need at least two inputs to interpolate!");
return 1;
}
vtkDebugMacro(<<"Interpolating data...");
// Check input and determine between which data sets the interpolation
// is to occur.
if ( this->T > static_cast<double>(numInputs) )
{
vtkErrorMacro(<<"Bad interpolation parameter");
return 1;
}
lowDS = static_cast<int>(this->T);
if ( lowDS >= (numInputs-1) )
{
lowDS = numInputs - 2;
}
highDS = lowDS + 1;
t = this->T - static_cast<double>(lowDS);
if (t > 1.0)
{
t =1.0;
}
vtkInformation *dsInfo = inputVector[0]->GetInformationObject(lowDS);
vtkInformation *ds2Info = inputVector[0]->GetInformationObject(highDS);
ds = vtkDataSet::SafeDownCast(dsInfo->Get(vtkDataObject::DATA_OBJECT()));
ds2 = vtkDataSet::SafeDownCast(ds2Info->Get(vtkDataObject::DATA_OBJECT()));
numPts = ds->GetNumberOfPoints();
numCells = ds->GetNumberOfCells();
if ( numPts != ds2->GetNumberOfPoints() ||
numCells != ds2->GetNumberOfCells() )
{
vtkErrorMacro(<<"Data sets not consistent!");
return 1;
}
output->CopyStructure(ds);
inputPD = ds->GetPointData();
inputCD = ds->GetCellData();
input2PD = ds2->GetPointData();
input2CD = ds2->GetCellData();
// Allocate the data set attributes
outputPD->CopyAllOff();
if ( inputPD->GetScalars() && input2PD->GetScalars() )
{
outputPD->CopyScalarsOn();
}
if ( inputPD->GetVectors() && input2PD->GetVectors() )
{
outputPD->CopyVectorsOn();
}
if ( inputPD->GetNormals() && input2PD->GetNormals() )
{
outputPD->CopyNormalsOn();
}
if ( inputPD->GetTCoords() && input2PD->GetTCoords() )
{
outputPD->CopyTCoordsOn();
}
if ( inputPD->GetTensors() && input2PD->GetTensors() )
{
outputPD->CopyTensorsOn();
}
// *TODO* Fix
// if ( inputPD->GetFieldData() && input2PD->GetFieldData() )
//{
// outputPD->CopyFieldDataOn();
//}
outputPD->InterpolateAllocate(inputPD);
outputCD->CopyAllOff();
if ( inputCD->GetScalars() && input2CD->GetScalars() )
{
outputCD->CopyScalarsOn();
}
if ( inputCD->GetVectors() && input2CD->GetVectors() )
{
outputCD->CopyVectorsOn();
}
if ( inputCD->GetNormals() && input2CD->GetNormals() )
{
outputCD->CopyNormalsOn();
}
if ( inputCD->GetTCoords() && input2CD->GetTCoords() )
{
outputCD->CopyTCoordsOn();
}
if ( inputCD->GetTensors() && input2CD->GetTensors() )
{
outputCD->CopyTensorsOn();
}
// *TODO* Fix
//if ( inputCD->GetFieldData() && input2CD->GetFieldData() )
//{
// outputCD->CopyFieldDataOn();
// }
outputCD->InterpolateAllocate(inputCD);
// Interpolate point data. We'll assume that it takes 50% of the time
for ( i=0; i < numPts; i++ )
{
if ( ! (i % 10000) )
{
this->UpdateProgress(static_cast<double>(i)/numPts * 0.50);
if (this->GetAbortExecute())
{
break;
}
}
outputPD->InterpolateTime(inputPD, input2PD, i, t);
}
// Interpolate cell data. We'll assume that it takes 50% of the time
for ( i=0; i < numCells; i++ )
{
if ( ! (i % 10000) )
{
this->UpdateProgress (0.5 + static_cast<double>(i)/numCells * 0.50);
if (this->GetAbortExecute())
{
break;
}
}
outputCD->InterpolateTime(inputCD, input2CD, i, t);
}
return 1;
}
int vtkInterpolateDataSetAttributes::FillInputPortInformation(
int port, vtkInformation *info)
{
if (!this->Superclass::FillInputPortInformation(port, info))
{
return 0;
}
info->Set(vtkAlgorithm::INPUT_IS_REPEATABLE(), 1);
return 1;
}
void vtkInterpolateDataSetAttributes::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "T: " << this->T << endl;
}
//----------------------------------------------------------------------------
void
vtkInterpolateDataSetAttributes
::ReportReferences(vtkGarbageCollector* collector)
{
this->Superclass::ReportReferences(collector);
vtkGarbageCollectorReport(collector, this->InputList, "InputList");
}
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