[GRASS-user] d.nviz : Can this GRASS module be used with lat/lon raster data?

[Nagesh Bhatkar]

Looking at the source code of d.nviz , I assume d.nviz can only be used 
with UTM data.

 e1 = D_d_to_u_col((double) screen_x);
 n1 = D_d_to_u_row((double) screen_y);

Is there a d.nviz add-on module available for use with lat/lon raster data?
or will i need to modify the code myself for use with lat/lon data




Thanks and Regards

Nagesh