Add comment to describe where the lat/lon calculation is coming from

Author: ukmo-juan-castillo

model/src/w3oacpmd.F90

@@ -300,7 +300,7 @@ SUBROUTINE CPL_OASIS_GRID(LD_MASTER,ID_LCOMM)
         ALLOCATE ( AREA(NNODES,1), CORLON(NNODES,1,4), CORLAT(NNODES,1,4) )
         ALLOCATE ( MASK(NNODES,1) )
         DO I=1, NNODES
-          ! lat/lon
+          ! lat/lon (see e.g. ww3_ounf)
           LON(I,1) = X0 + (IJKCel(1,I) + IJKCel(3,I)*0.5 - 1.0)*DLON
           LAT(I,1) = Y0 + (IJKCel(2,I) + IJKCel(4,I)*0.5 - 1.0)*DLAT
           ! corners