DOC: added file for mean shift example

Examples/BasicFilters/MeanShiftVectorImageFilterExample.cxx

+/*=========================================================================
+
+  Program:   ORFEO Toolbox
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See OTBCopyright.txt 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
+
+#ifdef __BORLANDC__
+#define ITK_LEAN_AND_MEAN
+#endif
+
+//  Software Guide : BeginCommandLineArgs
+//    INPUTS: {}
+//    OUTPUTS: {}, {}
+//  Software Guide : EndCommandLineArgs
+
+//  Software Guide : BeginLatex
+//
+
+#include "itkExceptionObject.h"
+#include "otbVectorImage.h"
+#include "otbImageFileReader.h"
+#include "otbStreamingImageFileWriter.h"
+#include "otbMeanShiftVectorImageFilter.h"
+
+int main(int argc, char * argv[])
+{
+   if(argc != 10)
+    {
+      std::cerr<<"Usage: "<<argv[0]<<" infname filteredfname clusteredfname labeledclusteredfname clusterboundariesfname spatialRadius rangeRadius minregionsize scale"<<std::endl;
+      return EXIT_FAILURE;
+    }
+
+  const char *       infname                = argv[1];
+  const char *       filteredfname          = argv[2];
+  const char *       clusteredfname         = argv[3];
+  const char *       labeledclusteredfname  = argv[4];
+  const char *       clusterboundariesfname = argv[5];
+  const unsigned int spatialRadius          = atoi(argv[6]);
+  const double       rangeRadius            = atof(argv[7]);
+  const unsigned int minRegionSize          = atoi(argv[8]);
+  const double       scale                  = atoi(argv[9]);
+
+  const unsigned int Dimension = 2;
+  typedef float PixelType;
+  typedef otb::VectorImage<PixelType,Dimension> ImageType;
+  typedef otb::ImageFileReader<ImageType> ReaderType;
+  typedef otb::StreamingImageFileWriter<ImageType> WriterType;
+  typedef otb::MeanShiftVectorImageFilter<ImageType,ImageType> FilterType;
+  typedef FilterType::LabeledOutputType LabeledImageType;
+  typedef otb::StreamingImageFileWriter<LabeledImageType> LabeledWriterType;
+
+  // Instantiating object
+  FilterType::Pointer filter = FilterType::New();
+  ReaderType::Pointer reader = ReaderType::New();
+  WriterType::Pointer writer1 = WriterType::New();
+  WriterType::Pointer writer2 = WriterType::New();
+  LabeledWriterType::Pointer writer3 = LabeledWriterType::New();
+  LabeledWriterType::Pointer writer4 = LabeledWriterType::New();
+
+
+  reader->SetFileName(infname);
+  writer1->SetFileName(filteredfname);
+  writer2->SetFileName(clusteredfname);
+  writer3->SetFileName(labeledclusteredfname);
+  writer4->SetFileName(clusterboundariesfname);
+
+  filter->SetSpatialRadius(spatialRadius);
+  filter->SetRangeRadius(rangeRadius);
+  filter->SetMinimumRegionSize(minRegionSize);
+  filter->SetScale(scale);
+
+  filter->SetInput(reader->GetOutput());
+  writer1->SetInput(filter->GetOutput());
+  writer2->SetInput(filter->GetClusteredOutput());
+  writer3->SetInput(filter->GetLabeledClusteredOutput());
+  writer4->SetInput(filter->GetClusterBoundariesOutput());
+
+
+  writer1->Update();
+  writer2->Update();
+  writer3->Update();
+  writer4->Update();
+
+  return EXIT_SUCCESS;
+}