Black and White Figure with No Rivers
Syntax:
Field
dup
X Y fig: contours grey land black contours :fig
Examples:
Climatology
of Dec-May 300 mb U
Troubleshooting:
If figure still looks too crowded try removing the zero line (example below), smoothing, or setting the contour
interval with DATA (value) STEP or DATA (value) (value) (value) (value) VALUES.
Syntax:
Field
dup
X Y fig: nozero contours grey land black nozero contours :fig
Examples:
Same
as above with no zero lines