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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: TestTemporalCacheTemporal.cxx,v $
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 "vtkActor.h"
#include "vtkCommand.h"
#include "vtkCompositeDataPipeline.h"
#include "vtkContourFilter.h"
#include "vtkInformation.h"
#include "vtkMultiGroupDataGeometryFilter.h"
#include "vtkPolyDataMapper.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSmartPointer.h"
#include "vtkTemporalDataSet.h"
#include "vtkTemporalDataSetCache.h"
#include "vtkTemporalFractal.h"
#include "vtkTemporalInterpolator.h"
#include "vtkThreshold.h"
class vtkTestTemporalCacheTemporalExecuteCallback
: public vtkCommand
{
public:
static vtkTestTemporalCacheTemporalExecuteCallback *New()
{ return new vtkTestTemporalCacheTemporalExecuteCallback; }
virtual void Execute(vtkObject *caller, unsigned long, void*)
{
// count the number of timesteps requested
vtkTemporalFractal *f = vtkTemporalFractal::SafeDownCast(caller);
vtkInformation *info = f->GetExecutive()->GetOutputInformation(0);
int Length = info->Length(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEPS());
this->Count += Length;
if (Length>0)
{
vtkstd::vector<double> steps;
steps.resize(Length);
info->Get(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEPS(), &steps[0]);
for (int i=0; i<Length; ++i)
{
// cout << steps[i] << " ";
}
// cout << endl;
}
}
unsigned int Count;
};
//-------------------------------------------------------------------------
int TestTemporalCacheTemporal(int , char *[])
{
// we have to use a compsite pipeline
vtkCompositeDataPipeline* prototype = vtkCompositeDataPipeline::New();
vtkAlgorithm::SetDefaultExecutivePrototype(prototype);
prototype->Delete();
// create temporal fractals
vtkSmartPointer<vtkTemporalFractal> fractal =
vtkSmartPointer<vtkTemporalFractal>::New();
fractal->SetMaximumLevel(2);
fractal->DiscreteTimeStepsOn();
fractal->GenerateRectilinearGridsOn();
fractal->SetAdaptiveSubdivision(0);
vtkTestTemporalCacheTemporalExecuteCallback *executecb
=vtkTestTemporalCacheTemporalExecuteCallback::New();
executecb->Count = 0;
fractal->AddObserver(vtkCommand::StartEvent,executecb);
executecb->Delete();
// cache the data to prevent regenerating some of it
vtkSmartPointer<vtkTemporalDataSetCache> cache =
vtkSmartPointer<vtkTemporalDataSetCache>::New();
cache->SetInputConnection(fractal->GetOutputPort());
cache->SetCacheSize(2);
// interpolate if needed
vtkSmartPointer<vtkTemporalInterpolator> interp =
vtkSmartPointer<vtkTemporalInterpolator>::New();
//interp->SetInputConnection(fractal->GetOutputPort());
interp->SetInputConnection(cache->GetOutputPort());
// cache the data coming out of the interpolator
vtkSmartPointer<vtkTemporalDataSetCache> cache2 =
vtkSmartPointer<vtkTemporalDataSetCache>::New();
cache2->SetInputConnection(interp->GetOutputPort());
cache2->SetCacheSize(11);
vtkSmartPointer<vtkThreshold> contour =
vtkSmartPointer<vtkThreshold>::New();
//contour->SetInputConnection(interp->GetOutputPort());
contour->SetInputConnection(cache2->GetOutputPort());
contour->ThresholdByUpper(0.5);
vtkSmartPointer<vtkMultiGroupDataGeometryFilter> geom =
vtkSmartPointer<vtkMultiGroupDataGeometryFilter>::New();
geom->SetInputConnection(contour->GetOutputPort());
// map them
vtkSmartPointer<vtkPolyDataMapper> mapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
mapper->SetInputConnection(geom->GetOutputPort());
vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
actor->SetMapper(mapper);
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renWin =
vtkSmartPointer<vtkRenderWindow>::New();
vtkSmartPointer<vtkRenderWindowInteractor> iren =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
renderer->AddActor( actor );
renderer->SetBackground(0.5, 0.5, 0.5);
renWin->AddRenderer( renderer );
renWin->SetSize( 300, 300 );
iren->SetRenderWindow( renWin );
renWin->Render();
// ask for some specific data points
vtkStreamingDemandDrivenPipeline *sdd =
vtkStreamingDemandDrivenPipeline::SafeDownCast(geom->GetExecutive());
double times[1];
times[0] = 0;
int i;
int j;
for (j = 0; j < 5; ++j)
{
for (i = 0; i < 11; ++i)
{
times[0] = i/2.0;
sdd->SetUpdateTimeSteps(0, times, 1);
mapper->Modified();
renderer->ResetCameraClippingRange();
renWin->Render();
}
}
vtkAlgorithm::SetDefaultExecutivePrototype(0);
if (executecb->Count == 8)
{
return 0;
}
return 1;
}
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