ENH : expose the ###SRID method in the GenericRSResampler class

Code/Projections/otbGenericRSResampleImageFilter.h

@@ -191,6 +191,19 @@ public:
   {
     return m_Transform->GetInputKeywordList();
   }
+
+  /** Set the input SRID to get the input projection ref */
+  void SetInputSRID(int srid)
+  {
+    m_Transform->SetOutputSRID(srid);
+    this->Modified();
+  }
+  /** Set the output srid to get the output projection ref*/
+  void SetOutputSRID(int srid)
+  {
+    m_Transform->SetInputSRID(srid);
+    this->Modified();
+  }
   
   /** Set/Get the DEMDirectory*/
   void SetDEMDirectory(const std::string&  dem)