display command is how you actually display data via the
graphics output window.
display when all dimensions are fixed, you get a
single value which is typed out in the command window. If you
display when one dimension varies, you get a 1-D line
graph (by default). If you
display when two dimensions
are varying, you get a 2-D contour plot (by default).
GrADS will automatically overlay the output from each successive
To clear the display, enter:
The simplest example of an expression to display would be a variable named by the default data file.