TYPEMAP
	ral_grid * T_PTROBJ
	ral_layer * T_PTROBJ
	ral_pixbuf * T_PTROBJ
	ral_visual_layer * T_PTROBJ
	ral_visual_feature_table * T_PTROBJ
	OGRDataSourceH T_PTROBJ
	OGRLayerH T_PTROBJ
	OGRwkbGeometryType T_INT
