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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkTimeProbesTest.cxx,v $
Language: C++
Date: $Date: 2006-04-21 20:21:39 $
Version: $Revision: 1.9 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkTimeProbesCollectorBase.h"
#include "itkImage.h"
#include "itkOrientedImage.h"
#include "itkPoint.h"
#include "itkImageRegion.h"
#include "itkIndex.h"
#include "itkSize.h"
#include <iostream>
#include <fstream>
template <class T>
void TestTransformIndexToPhysicalPoint(T * image)
{
typename T::IndexType index3D;
typename T::PointType point3D;
for (int k = 0; k < 10; k++)
{
index3D[2] = k;
for (int j = 0; j < 1000; j++)
{
index3D[1] = j;
for (int i = 0; i < 1000; i++)
{
index3D[0] = i;
image->TransformIndexToPhysicalPoint(index3D, point3D);
}
}
if (k == 5) std::cout << point3D << std::endl;
}
}
template <class T>
void TestTransformPhysicalPointToIndex(T * image)
{
typename T::IndexType index3D;
typename T::PointType point3D;
for (double k = 0; k < 10; k++)
{
point3D[2] = k;
for (double j = 0; j < 1000; j++)
{
point3D[1] = j;
for (double i = 0; i < 1000; i++)
{
point3D[0] = i;
image->TransformPhysicalPointToIndex(point3D, index3D);
}
}
if (k == 5) std::cout << point3D << std::endl;
}
}
//-------------------------
//
// This file test the interface to the TimeProbe classes
//
//-------------------------
int itkTimeProbesTest(int, char* [] )
{
itk::TimeProbesCollectorBase collector;
const unsigned int N = 1000L;
const unsigned int M = 10000L;
collector.Start("Loop1"); // label that identify the range of the probe
// Do slow stuff here...
{
for(unsigned int i=0; i<N; i++)
{
char * dummy = new char [ M ];
for(unsigned int j=0; j<M; j++)
{
dummy[j] = j;
}
delete [] dummy;
}
}
collector.Stop("Loop1");
collector.Start("Loop2"); // label that identify the range of the probe
// Do other slow stuff here...
{
for(unsigned int i=0; i<M; i++)
{
char * dummy = new char [ N ];
for(unsigned int j=0; j<N; j++)
{
dummy[j] = j;
}
delete [] dummy;
}
}
collector.Stop("Loop2");
typedef itk::Image<float,3> Image3DType;
typedef itk::OrientedImage<float,3> OrientedImage3DType;
Image3DType::Pointer image3D = Image3DType::New();
OrientedImage3DType::Pointer orientedImage3D = OrientedImage3DType::New();
Image3DType::PointType point3D;
typedef itk::ImageRegion< 3 > Region3DType;
typedef Region3DType::IndexType Index3DType;
typedef Region3DType::SizeType Size3DType;
Region3DType region3D;
Size3DType size3D = {{ 1000, 1000, 1000 }};
region3D.SetSize( size3D );
collector.Start("i->TransformIndexToPhysicalPoint");
TestTransformIndexToPhysicalPoint<Image3DType> (image3D);
collector.Stop("i->TransformIndexToPhysicalPoint");
collector.Start("i->TransformPhysicalPointToIndex");
TestTransformPhysicalPointToIndex<Image3DType> (image3D);
collector.Stop("i->TransformPhysicalPointToIndex");
collector.Start("o->TransformIndexToPhysicalPoint");
TestTransformIndexToPhysicalPoint<OrientedImage3DType> (orientedImage3D);
collector.Stop("o->TransformIndexToPhysicalPoint");
collector.Start("o->TransformPhysicalPointToIndex");
TestTransformPhysicalPointToIndex<OrientedImage3DType> (orientedImage3D);
collector.Stop("o->TransformPhysicalPointToIndex");
// Print the results of the time probes
collector.Report();
// Test writing to a ostream
std::ofstream logfile;
logfile.open("itkTimeProbesTest.txt");
collector.Report( logfile );
logfile.close();
// Print to the standar error
collector.Report( std::cerr );
return EXIT_SUCCESS;
}
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