function  [dim_in_pix] = MoBi_prop2dim(misure_schermo, propX, propY)

%transform proportions of the 2 screen axes in actual pixels
dim_in_pix(1) = round(propX*misure_schermo(3), 0);
dim_in_pix(2) = round(propY*misure_schermo(4), 0);



end