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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkEmulatedTimeDummySource.h"
#include "vtkConeSource.h"
#include "vtkCubeSource.h"
#include "vtkDataObject.h"
#include "vtkDemandDrivenPipeline.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkPolyData.h"
#include "vtkSphereSource.h"
#include "vtkStreamingDemandDrivenPipeline.h"
namespace
{
constexpr unsigned short TIMESTEPS_SIZE = 4;
constexpr double SPHERE_TIMESTEPS[::TIMESTEPS_SIZE] = { 15.50, 16.20, 16.95, 18.10 };
constexpr double CONE_TIMESTEPS[::TIMESTEPS_SIZE] = { 16.70, 17.10, 17.80, 18.40 };
constexpr double CUBE_TIMESTEPS[::TIMESTEPS_SIZE] = { 30.30, 30.80, 31.70, 34.60 };
const double* getCorrespondingTimesteps(int preset)
{
switch (preset)
{
case vtkEmulatedTimeDummySource::SourcePreset::CONE:
return ::CONE_TIMESTEPS;
case vtkEmulatedTimeDummySource::SourcePreset::CUBE:
return ::CUBE_TIMESTEPS;
case vtkEmulatedTimeDummySource::SourcePreset::SPHERE:
default:
return ::SPHERE_TIMESTEPS;
}
}
}
//----------------------------------------------------------------------------
vtkStandardNewMacro(vtkEmulatedTimeDummySource);
//------------------------------------------------------------------------------
vtkEmulatedTimeDummySource::vtkEmulatedTimeDummySource()
{
this->SetNumberOfOutputPorts(1);
}
//------------------------------------------------------------------------------
vtkEmulatedTimeDummySource::~vtkEmulatedTimeDummySource() = default;
//------------------------------------------------------------------------------
int vtkEmulatedTimeDummySource::FillOutputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
// now add our info
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkPolyData");
return 1;
}
//------------------------------------------------------------------------------
int vtkEmulatedTimeDummySource::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* outputVector)
{
vtkInformation* outInfo = outputVector->GetInformationObject(0);
double requiredTime = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP());
const double* timesteps = ::getCorrespondingTimesteps(this->SourcePresets);
requiredTime = std::max(std::min(requiredTime, timesteps[::TIMESTEPS_SIZE - 1]), timesteps[0]);
vtkPolyData* output = vtkPolyData::GetData(outputVector, 0);
double completionRatio =
(requiredTime - timesteps[0]) / (timesteps[::TIMESTEPS_SIZE - 1] - timesteps[0]);
switch (this->SourcePresets)
{
case SourcePreset::CONE:
{
vtkNew<vtkConeSource> cone;
double height = 1 + 2.5 * completionRatio;
cone->SetHeight(height);
cone->Update();
output->ShallowCopy(cone->GetOutput());
break;
}
case SourcePreset::CUBE:
{
vtkNew<vtkCubeSource> cube;
double size = 1 + 2 * completionRatio;
cube->SetCenter(0, size, 0);
cube->Update();
output->ShallowCopy(cube->GetOutput());
break;
}
case SourcePreset::SPHERE:
default:
{
vtkNew<vtkSphereSource> sphere;
double theta = 90 + 180 * completionRatio;
sphere->SetStartTheta(theta);
sphere->Update();
output->ShallowCopy(sphere->GetOutput());
break;
}
}
return 1;
}
//------------------------------------------------------------------------------
int vtkEmulatedTimeDummySource::RequestInformation(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* outputVector)
{
vtkInformation* outInfo = outputVector->GetInformationObject(0);
const double* timesteps = ::getCorrespondingTimesteps(this->SourcePresets);
double timeRange[2];
timeRange[0] = timesteps[0];
timeRange[1] = timesteps[::TIMESTEPS_SIZE - 1];
outInfo->Set(vtkStreamingDemandDrivenPipeline::TIME_STEPS(), timesteps, ::TIMESTEPS_SIZE);
outInfo->Set(vtkStreamingDemandDrivenPipeline::TIME_RANGE(), timeRange, 2);
return 1;
}
//------------------------------------------------------------------------------
void vtkEmulatedTimeDummySource::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "SourcePresets: ";
switch (this->SourcePresets)
{
case vtkEmulatedTimeDummySource::SourcePreset::CONE:
os << "Cone";
case vtkEmulatedTimeDummySource::SourcePreset::CUBE:
os << "Cube";
case vtkEmulatedTimeDummySource::SourcePreset::SPHERE:
default:
os << "Sphere";
}
os << "\n";
}
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