ENH: Added GDALOverviewsBuilder::CountResolutions() alias.

Modules/IO/IOGDAL/include/otbGDALOverviewsBuilder.h

@@ -98,6 +98,9 @@ public:
   unsigned int
   CountResolutions( unsigned int factor, unsigned int n =0 ) const;
 
+  unsigned int
+  CountResolutions( unsigned int n =0 ) const;
+
   void ListResolutions( SizeVector &, unsigned int factor, unsigned int count );
 
   void ListResolutions( SizeVector & );

Modules/IO/IOGDAL/src/otbGDALOverviewsBuilder.cxx

@@ -126,6 +126,14 @@ GDALOverviewsBuilder
   return count;
 }
 
+/***************************************************************************/
+unsigned int
+GDALOverviewsBuilder
+::CountResolutions( unsigned int n ) const
+{
+  return CountResolutions( m_ResolutionFactor, n );
+}
+
 /***************************************************************************/
 void
 GDALOverviewsBuilder