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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkPTextureMapToSphere.h"
#include "vtkCommunicator.h"
#include "vtkDataSet.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiProcessController.h"
#include "vtkObjectFactory.h"
#include "vtkTextureMapToSphere.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkPTextureMapToSphere);
vtkCxxSetObjectMacro(vtkPTextureMapToSphere, Controller, vtkMultiProcessController);
// Create object with Center (0,0,0) and the PreventSeam ivar is set to true. The
// sphere center is automatically computed.
vtkPTextureMapToSphere::vtkPTextureMapToSphere()
{
this->Controller = nullptr;
this->SetController(vtkMultiProcessController::GetGlobalController());
}
vtkPTextureMapToSphere::~vtkPTextureMapToSphere()
{
this->SetController(nullptr);
}
void vtkPTextureMapToSphere::ComputeCenter(vtkDataSet* dataSet)
{
if (this->AutomaticSphereGeneration && this->Controller->GetNumberOfProcesses() > 1)
{
vtkIdType numberOfPoints = dataSet->GetNumberOfPoints();
double out[4] = { static_cast<double>(numberOfPoints), 0.0, 0.0, 0.0 }, x[3], in[4];
for (vtkIdType id = 0; id < numberOfPoints; ++id)
{
dataSet->GetPoint(id, x);
out[1] += x[0];
out[2] += x[1];
out[3] += x[2];
}
this->Controller->AllReduce(out, in, 4, vtkCommunicator::SUM_OP);
if (!in[0])
{
vtkErrorMacro(<< "No points");
}
this->Center[0] = in[1] / in[0];
this->Center[1] = in[2] / in[0];
this->Center[2] = in[3] / in[0];
}
else
{
this->Superclass::ComputeCenter(dataSet);
}
}
void vtkPTextureMapToSphere::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
if (this->Controller)
{
os << indent << "Controller:\n";
this->Controller->PrintSelf(os, indent.GetNextIndent());
}
else
{
os << indent << "Controller: (none)" << endl;
}
}
VTK_ABI_NAMESPACE_END
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