BUG: Mantis-1389: use uint32 for label type

Modules/Applications/AppImageUtils/app/otbColorMapping.cxx

@@ -46,6 +46,7 @@
 #include "otbStreamingStatisticsMapFromLabelImageFilter.h"
 
 #include "otbMacro.h"
+#include "otbStringUtils.h"
 
 namespace otb
 {
@@ -178,14 +179,14 @@ public:
   itkTypeMacro(ColorMapping, otb::Application);
 
   typedef FloatImageType::PixelType   PixelType;
-  typedef UInt16ImageType             LabelImageType;
+  typedef UInt32ImageType             LabelImageType;
   typedef LabelImageType::PixelType   LabelType;
   typedef UInt8VectorImageType        VectorImageType;
   typedef VectorImageType::PixelType  VectorPixelType;
   typedef UInt8RGBImageType           RGBImageType;
   typedef RGBImageType::PixelType     RGBPixelType;
 
-  typedef UInt16VectorImageType                       LabelVectorImageType;
+  typedef UInt32VectorImageType                       LabelVectorImageType;
   typedef LabelVectorImageType::PixelType             LabelVectorType;
 
   typedef itk::NumericTraits
@@ -196,7 +197,7 @@ public:
   typedef itk::ImageRegionConstIterator
     <FloatVectorImageType>                            IteratorType;
   typedef itk::ImageRegionConstIterator
-    <UInt16ImageType>                                 LabelIteratorType;
+    <LabelImageType>                                 LabelIteratorType;
 
   // Manual label LUT
   typedef otb::ChangeLabelImageFilter
@@ -783,7 +784,7 @@ private:
         if (nextpos == std::string::npos)
           continue;
         length = nextpos - pos;
-        LabelType clabel = atoi(line.substr(pos, length).c_str());
+        LabelType clabel = boost::lexical_cast<LabelType>(line.substr(pos, length).c_str());
         // Retrieve the color
         VectorPixelType color(3);
         color.Fill(0);

Modules/Applications/AppImageUtils/otb-module.cmake

@@ -23,6 +23,7 @@ set(DOCUMENTATION "Image utils and handling application.")
 otb_module(OTBAppImageUtils
   DEPENDS
     OTBApplicationEngine
+    OTBBoostAdapters
     OTBCarto
     OTBColorMap
     OTBCommon