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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPProjectSphereFilter.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 "vtkPProjectSphereFilter.h"
#include "vtkCommunicator.h"
#include "vtkIdList.h"
#include "vtkMultiProcessController.h"
#include "vtkObjectFactory.h"
#include <map>
vtkStandardNewMacro(vtkPProjectSphereFilter);
//-----------------------------------------------------------------------------
vtkPProjectSphereFilter::vtkPProjectSphereFilter()
{
}
//-----------------------------------------------------------------------------
vtkPProjectSphereFilter::~vtkPProjectSphereFilter()
{
}
//-----------------------------------------------------------------------------
void vtkPProjectSphereFilter::PrintSelf(ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//-----------------------------------------------------------------------------
void vtkPProjectSphereFilter::ComputePointsClosestToCenterLine(
double minDist2ToCenterLine, vtkIdList* polePointIds)
{
if(vtkMultiProcessController* controller =
vtkMultiProcessController::GetGlobalController())
{
if(controller->GetNumberOfProcesses() >1)
{
double tmp = minDist2ToCenterLine;
double minDist2ToCenterLineGlobal = 0;
controller->AllReduce(&tmp, &minDist2ToCenterLineGlobal,
1, vtkCommunicator::MAX_OP);
if(tmp < minDist2ToCenterLineGlobal)
{
polePointIds->Reset();
}
}
}
}
//-----------------------------------------------------------------------------
double vtkPProjectSphereFilter::GetZTranslation(vtkPointSet* input)
{
double localMax = this->Superclass::GetZTranslation(input);
double globalMax = localMax;
if(vtkMultiProcessController* controller =
vtkMultiProcessController::GetGlobalController())
{
if(controller->GetNumberOfProcesses() > 1)
{
controller->AllReduce(&localMax, &globalMax, 1, vtkCommunicator::MAX_OP);
}
}
return globalMax;
}
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