EHN: Adding image convertion utility

Utils/otbConvert.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
+
+#include "otbVectorImage.h"
+#include "otbImageFileReader.h"
+#include "otbImageFileWriter.h"
+#include "otbVectorRescaleIntensityImageFilter.h"
+#include "itkCastImageFilter.h"
+
+#include "otbCommandLineArgumentParser.h"
+
+template<typename OutputPixelType>
+int generic_main_convert(otb::CommandLineArgumentParseResult* parseResult)
+{
+  try 
+  { 
+    typedef long int InputPixelType;
+    typedef otb::VectorImage<InputPixelType, 2> InputImageType;
+    typedef otb::VectorImage<OutputPixelType, 2> OutputImageType;
+    typedef otb::ImageFileReader<InputImageType> ReaderType;
+    typedef otb::ImageFileWriter<OutputImageType> WriterType;
+    typedef otb::VectorRescaleIntensityImageFilter<InputImageType, OutputImageType> RescalerType;
+  //   typedef itk::CastImageFilter<InputImageType, OutputImageType> RescalerType;
+    
+    ReaderType::Pointer reader=ReaderType::New();
+    WriterType::Pointer writer=WriterType::New();
+    
+    reader->SetFileName(argv[1]);
+    
+    
+    OutputImageType::PixelType minimum,maximum;
+    minimum.SetSize(3);
+    maximum.SetSize(3);
+    minimum.Fill(0);
+    maximum.Fill(255);
+    RescalerType::Pointer rescaler=RescalerType::New();
+    rescaler->SetOutputMinimum(minimum);
+    rescaler->SetOutputMaximum(maximum);
+    rescaler->SetInput(reader->GetOutput());
+    
+    writer->SetFileName(argv[2]);
+    //writer->SetInput(rescaler->GetOutput());
+    writer->SetInput(reader->GetOutput());
+  
+  
+    writer->Update();
+    
+  }
+  catch( itk::ExceptionObject & err ) 
+  { 
+    std::cout << "Exception itk::ExceptionObject levee !" << std::endl; 
+    std::cout << err << std::endl; 
+    return EXIT_FAILURE;
+  } 
+  catch( std::bad_alloc & err ) 
+  { 
+    std::cout << "Exception bad_alloc : "<<(char*)err.what()<< std::endl; 
+    return EXIT_FAILURE;
+  } 
+  catch( ... ) 
+  { 
+    std::cout << "Exception levee inconnue !" << std::endl; 
+    return EXIT_FAILURE;
+  } 
+  return EXIT_SUCCESS;
+}
+
+
+int main(int argc, char ** argv)
+{
+  try
+  { 
+    // Parse command line parameters
+    typedef otb::CommandLineArgumentParser ParserType;	
+    ParserType::Pointer parser = ParserType::New();
+
+    parser->AddOption("--XCarto","X cartographic value of desired point","-x");
+    parser->AddOption("--YCarto","Y cartographic value of desired point","-y");
+    parser->AddOptionNParams("--MapProjectionType","Type (UTM/LAMBERT/LAMBERT2/LAMBERT93/SINUS/ECKERT4/TRANSMERCATOR/MOLLWEID) and parameters of map projection used","-mapProj");				
+
+    typedef otb::CommandLineArgumentParseResult ParserResultType;
+    ParserResultType::Pointer  parseResult = ParserResultType::New();
+				
+    try
+    {
+      parser->ParseCommandLine(argc,argv,parseResult);
+    }
+    catch( itk::ExceptionObject & err ) 
+    { 
+      std::string descriptionException = err.GetDescription();   
+      if(descriptionException.find("ParseCommandLine(): Help Parser") != std::string::npos) 
+      {
+        std::cout << "WARNING : output file pixels are converted in 'unsigned char'" << std::endl;
+        return EXIT_SUCCESS;
+      }
+      if(descriptionException.find("ParseCommandLine(): Version Parser") != std::string::npos) 
+      {
+        return EXIT_SUCCESS;
+      }
+      return EXIT_FAILURE;
+    }	
+    // Code
+    
+  }
+  catch( itk::ExceptionObject & err ) 
+  { 
+    std::cout << "Exception itk::ExceptionObject levee !" << std::endl; 
+    std::cout << err << std::endl; 
+    return EXIT_FAILURE;
+  } 
+  catch( std::bad_alloc & err ) 
+  { 
+    std::cout << "Exception bad_alloc : "<<(char*)err.what()<< std::endl; 
+    return EXIT_FAILURE;
+  } 
+  catch( ... ) 
+  { 
+    std::cout << "Exception levee inconnue !" << std::endl; 
+    return EXIT_FAILURE;
+  } 
+  return EXIT_SUCCESS; 
+}