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97 lines
3.1 KiB
97 lines
3.1 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkStructuredPointsSource.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkStructuredPointsSource.h"
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#include "vtkDataArray.h"
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#include "vtkInformation.h"
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#include "vtkObjectFactory.h"
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#include "vtkPointData.h"
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#include "vtkStructuredPoints.h"
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vtkCxxRevisionMacro(vtkStructuredPointsSource, "$Revision: 1.39 $");
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//----------------------------------------------------------------------------
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vtkStructuredPointsSource::vtkStructuredPointsSource()
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{
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// A source has no inputs by default.
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this->SetNumberOfInputPorts(0);
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this->SetOutput(vtkStructuredPoints::New());
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// Releasing data for pipeline parallism.
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// Filters will know it is empty.
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this->Outputs[0]->ReleaseData();
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this->Outputs[0]->Delete();
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}
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//----------------------------------------------------------------------------
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void vtkStructuredPointsSource::SetOutput(vtkStructuredPoints *output)
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{
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this->vtkSource::SetNthOutput(0, output);
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}
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//----------------------------------------------------------------------------
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vtkStructuredPoints *vtkStructuredPointsSource::GetOutput()
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{
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if (this->NumberOfOutputs < 1)
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{
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return NULL;
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}
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return (vtkStructuredPoints *)(this->Outputs[0]);
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}
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//----------------------------------------------------------------------------
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vtkStructuredPoints *vtkStructuredPointsSource::GetOutput(int idx)
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{
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return (vtkStructuredPoints *) this->vtkSource::GetOutput(idx);
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}
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//----------------------------------------------------------------------------
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// Default method performs Update to get information. Not all the old
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// structured points sources compute information
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void vtkStructuredPointsSource::ExecuteInformation()
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{
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vtkStructuredPoints *output = this->GetOutput();
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vtkDataArray *scalars;
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output->UpdateData();
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scalars = output->GetPointData()->GetScalars();
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if (scalars)
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{
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output->SetScalarType(scalars->GetDataType());
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output->SetNumberOfScalarComponents(scalars->GetNumberOfComponents());
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}
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output->SetWholeExtent(output->GetExtent());
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}
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//----------------------------------------------------------------------------
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int vtkStructuredPointsSource::FillOutputPortInformation(int port,
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vtkInformation* info)
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{
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if(!this->Superclass::FillOutputPortInformation(port, info))
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{
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return 0;
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}
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info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkStructuredPoints");
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return 1;
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}
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//----------------------------------------------------------------------------
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void vtkStructuredPointsSource::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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}
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