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/*=========================================================================
Program: Visualization Toolkit
Module: vtkStructuredPointsSource.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 "vtkStructuredPointsSource.h"
#include "vtkDataArray.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkStructuredPoints.h"
//----------------------------------------------------------------------------
vtkStructuredPointsSource::vtkStructuredPointsSource()
{
// A source has no inputs by default.
this->SetNumberOfInputPorts(0);
this->SetOutput(vtkStructuredPoints::New());
// Releasing data for pipeline parallism.
// Filters will know it is empty.
this->Outputs[0]->ReleaseData();
this->Outputs[0]->Delete();
}
//----------------------------------------------------------------------------
void vtkStructuredPointsSource::SetOutput(vtkStructuredPoints *output)
{
this->vtkSource::SetNthOutput(0, output);
}
//----------------------------------------------------------------------------
vtkStructuredPoints *vtkStructuredPointsSource::GetOutput()
{
if (this->NumberOfOutputs < 1)
{
return NULL;
}
return static_cast<vtkStructuredPoints *>(this->Outputs[0]);
}
//----------------------------------------------------------------------------
vtkStructuredPoints *vtkStructuredPointsSource::GetOutput(int idx)
{
return static_cast<vtkStructuredPoints *>(this->vtkSource::GetOutput(idx));
}
//----------------------------------------------------------------------------
// Default method performs Update to get information. Not all the old
// structured points sources compute information
void vtkStructuredPointsSource::ExecuteInformation()
{
vtkStructuredPoints *output = this->GetOutput();
vtkDataArray *scalars;
output->UpdateData();
scalars = output->GetPointData()->GetScalars();
if (scalars)
{
output->SetScalarType(scalars->GetDataType());
output->SetNumberOfScalarComponents(scalars->GetNumberOfComponents());
}
output->SetWholeExtent(output->GetExtent());
}
//----------------------------------------------------------------------------
int vtkStructuredPointsSource::FillOutputPortInformation(int port,
vtkInformation* info)
{
if(!this->Superclass::FillOutputPortInformation(port, info))
{
return 0;
}
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkStructuredPoints");
return 1;
}
//----------------------------------------------------------------------------
void vtkStructuredPointsSource::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}