Map algebra functions did not work in V 10.2
This map algebra function was working successfully in v 9.3 but does not in v 10.2, the function is used to convert raster to polygon
Gridshape({raster}, weed)
Also
con($$rowmap mod 20 eq 0 and $$colmap mod 20 eq 0, [FlowDir_Fill2])
the function is used to generate raster points from a raster layer