, with the contents of three lines changed to
v1= 35.00 ; Low value for isopleths, disregarded when nv is 0 or 1 v2= 35.085; High value for isopleths, disregarded when nv is 0 or 1 nv= 17 ; No. of isopleths, there will be nv+1 colors
in order to specify the use of contours and colors.
The figure below was made by issuing the same command as in Example 3, after the file userdef.ncl was copied from