ENH: add get accessor

Code/Projections/otbTileMapTransform.h

@@ -79,8 +79,8 @@ public :
   itkStaticConstMacro(SpaceDimension, unsigned int, NInputDimensions);
   itkStaticConstMacro(ParametersDimension, unsigned int,NInputDimensions*(NInputDimensions+1));
 
-  void SetLevel(unsigned char level);
-
+  void SetLevel(unsigned int level);
+  unsigned int GetLevel() const;
 
   OutputPointType TransformPoint(const InputPointType &point) const;
   virtual InputPointType Origin();

Code/Projections/otbTileMapTransform.txx

@@ -128,11 +128,19 @@ TileMapTransform<TTransformDirection, TScalarType, NInputDimensions, NOutputDime
 template<InverseOrForwardTransformationEnum TTransformDirection, class TScalarType,
 unsigned int NInputDimensions, unsigned int NOutputDimensions>
 void TileMapTransform<TTransformDirection, TScalarType, NInputDimensions, NOutputDimensions>
-::SetLevel(unsigned char level)
+::SetLevel(unsigned int level)
 {
   m_TileMapTransform->setDepth(level);
 }
 
+template<InverseOrForwardTransformationEnum TTransformDirection, class TScalarType,
+unsigned int NInputDimensions, unsigned int NOutputDimensions>
+unsigned int TileMapTransform<TTransformDirection, TScalarType, NInputDimensions, NOutputDimensions>
+::GetLevel() const
+{
+  return m_TileMapTransform->getDepth();
+}
+
 } // namespace otb
 
 #endif