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