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80 lines
2.3 KiB
80 lines
2.3 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: pipe1.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 "vtkCallbackCommand.h"
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#include "vtkImageData.h"
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#include "vtkOutputPort.h"
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#include "vtkRTAnalyticSource.h"
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#include "PipelineParallelism.h"
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static float XFreq = 60;
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// Increments XFreq of the synthetic source
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static void IncrementXFreq(vtkObject *vtkNotUsed( caller ),
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unsigned long vtkNotUsed(eventId),
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void *sr, void *)
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{
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vtkRTAnalyticSource* source1 = reinterpret_cast<vtkRTAnalyticSource*>(sr);
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XFreq = XFreq + 10;
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source1->SetXFreq(XFreq);
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}
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// Pipe 1 for PipelineParallelism.
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// See PipelineParallelism.cxx for more information.
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void pipe1(vtkMultiProcessController* vtkNotUsed(controller),
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void* vtkNotUsed(arg))
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{
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double extent = 20;
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int iextent = static_cast<int>(extent);
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// Synthetic image source.
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vtkRTAnalyticSource* source1 = vtkRTAnalyticSource::New();
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source1->SetWholeExtent (-1*iextent, iextent, -1*iextent, iextent,
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-1*iextent, iextent );
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source1->SetCenter(0, 0, 0);
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source1->SetStandardDeviation( 0.5 );
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source1->SetMaximum( 255.0 );
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source1->SetXFreq( XFreq );
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source1->SetXMag( 10 );
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source1->SetYFreq( 30 );
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source1->SetYMag( 18 );
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source1->SetZFreq( 40 );
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source1->SetZMag( 5 );
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source1->GetOutput()->SetSpacing(2.0/extent,2.0/extent,2.0/extent);
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// Output port
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vtkOutputPort* op = vtkOutputPort::New();
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op->SetInputConnection(source1->GetOutputPort());
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op->SetTag(11);
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// Called every time data is requested from the output port
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vtkCallbackCommand *cbc = vtkCallbackCommand::New();
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cbc->SetCallback(IncrementXFreq);
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cbc->SetClientData((void *)source1);
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op->AddObserver(vtkCommand::EndEvent,cbc);
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cbc->Delete();
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// Process requests
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op->WaitForUpdate();
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// Cleanup
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op->Delete();
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source1->Delete();
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}
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