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96 lines
2.7 KiB
96 lines
2.7 KiB
2 years ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: pipe2.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 "vtkActor.h"
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#include "vtkContourFilter.h"
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#include "vtkImageData.h"
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#include "vtkInputPort.h"
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#include "vtkPolyData.h"
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#include "vtkPolyDataMapper.h"
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#include "vtkRenderWindow.h"
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#include "vtkRenderer.h"
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#include "PipelineParallelism.h"
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// Pipe 2 for PipelineParallelism.
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// See PipelineParallelism.cxx for more information.
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void pipe2(vtkMultiProcessController* vtkNotUsed(controller),
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void* vtkNotUsed(arg))
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{
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// Input port
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vtkInputPort* ip = vtkInputPort::New();
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ip->SetRemoteProcessId(0);
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ip->SetTag(11);
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// Iso-surface
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vtkContourFilter* cf = vtkContourFilter::New();
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cf->SetInput(ip->GetImageDataOutput());
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cf->SetNumberOfContours(1);
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cf->SetValue(0, 220);
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// Rendering objects
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vtkPolyDataMapper* mapper = vtkPolyDataMapper::New();
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mapper->SetInputConnection(cf->GetOutputPort());
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vtkActor* actor = vtkActor::New();
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actor->SetMapper(mapper);
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vtkRenderer* ren = vtkRenderer::New();
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ren->AddActor(actor);
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vtkRenderWindow* renWin = vtkRenderWindow::New();
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renWin->AddRenderer(ren);
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// Normally, the Render() call on a RenderWindow() calls
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// update on it's actors two times. This is not appropriate
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// for this example because with each Update(), the data
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// changes. For this reason, we will use a separate PolyData
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// object and (shallow) copy the data to it.
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vtkPolyData* pd = vtkPolyData::New();
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mapper->SetInput(pd);
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// Prime the pipeline. Tell the producer to start computing.
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ip->Update();
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// Get the first data, adjust camera appropriatly
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cf->GetOutput()->Update();
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pd->ShallowCopy(cf->GetOutput());
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ren->ResetCamera();
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// Display data
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renWin->Render();
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// Get more data. With every update the XFreq of the rtSource
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// is increased.
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for (int i=0; i<17; i++)
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{
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cf->GetOutput()->Update();
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pd->ShallowCopy(cf->GetOutput());
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// Display
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renWin->Render();
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}
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// Tell the producer that we are done.
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ip->GetController()->TriggerRMI(0, vtkMultiProcessController::BREAK_RMI_TAG);
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pd->Delete();
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ip->Delete();
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cf->Delete();
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mapper->Delete();
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actor->Delete();
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ren->Delete();
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renWin->Delete();
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}
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