Output raster file extensions now given by the implementation Grid classes.

impls/hexagonal-cell/1-levels/simple/HexAsciiGrid.hpp

@@ -57,6 +57,7 @@ namespace CA {
 		static const char* key_yll;
 		static const char* key_side;
 		static const char* key_nodata;
+		static const std::string file_extension;
 
 	  //! Read token and value pair from a line of the header of an hexagonal ASCII raster file.
 	  //! .
@@ -180,7 +181,7 @@ namespace CA {
 			//Clock total_timer;
 
 			// Open file
-			std::ofstream onfile(filename.c_str());
+			std::ofstream onfile((filename + file_extension).c_str());
 
 			// Check if the file was open.
 			if (!onfile)
@@ -240,7 +241,8 @@ namespace CA {
 	const char* HexAsciiGrid<T>::key_side   = "side";
 	template<typename T>
 	const char* HexAsciiGrid<T>::key_nodata = "no_data";
-	
+	template<typename T>
+	const std::string HexAsciiGrid<T>::file_extension = ".hasc";
 
 
 }// end of namespace

impls/square-cell/vn-neighbours/1-levels/simple/ESRI_ASCIIGrid.hpp

@@ -184,6 +184,9 @@ namespace CA {
 			// Get starting time.
 			//Clock total_timer;
 
+			// Add file extension
+			filename += ".asc";
+
 			// Open file
 			std::ofstream onfile(filename.c_str());