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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPPCAStatistics.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.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2011 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#include "vtkToolkits.h"
#include "vtkPPCAStatistics.h"
#include "vtkAbstractArray.h"
#include "vtkCommunicator.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkMultiProcessController.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkPOrderStatistics.h"
#include "vtkTable.h"
#include "vtkPMultiCorrelativeStatistics.h"
vtkStandardNewMacro(vtkPPCAStatistics);
vtkCxxSetObjectMacro(vtkPPCAStatistics, Controller, vtkMultiProcessController);
//-----------------------------------------------------------------------------
vtkPPCAStatistics::vtkPPCAStatistics()
{
this->Controller = 0;
this->SetController( vtkMultiProcessController::GetGlobalController() );
}
//-----------------------------------------------------------------------------
vtkPPCAStatistics::~vtkPPCAStatistics()
{
this->SetController( 0 );
}
//-----------------------------------------------------------------------------
void vtkPPCAStatistics::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Controller: " << this->Controller << endl;
}
// ----------------------------------------------------------------------
void vtkPPCAStatistics::Learn( vtkTable* inData,
vtkTable* inParameters,
vtkMultiBlockDataSet* outMeta )
{
if ( ! outMeta )
{
return;
}
// First calculate correlative statistics on local data set
this->Superclass::Learn( inData, inParameters, outMeta );
// Get a hold of the (sparse) covariance matrix
vtkTable* sparseCov = vtkTable::SafeDownCast( outMeta->GetBlock( 0 ) );
if ( ! sparseCov )
{
return;
}
if ( !this->MedianAbsoluteDeviation )
{
vtkPMultiCorrelativeStatistics::GatherStatistics( this->Controller, sparseCov );
}
}
// ----------------------------------------------------------------------
void vtkPPCAStatistics::Test( vtkTable* inData,
vtkMultiBlockDataSet* inMeta,
vtkTable* outMeta )
{
if ( this->Controller->GetNumberOfProcesses() > 1 )
{
vtkWarningMacro( "Parallel PCA: Hypothesis testing not implemented for more than 1 process." );
return;
}
this->Superclass::Test( inData, inMeta, outMeta );
}
// ----------------------------------------------------------------------
vtkOrderStatistics* vtkPPCAStatistics::CreateOrderStatisticsInstance()
{
return vtkPOrderStatistics::New();
}
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