<!--Copyright (C) 1988-2005 by the Institute of Global Environment and Society (IGES). See file COPYRIGHT for more information.--> <html> <head> <title>GrADS Command: set datawarn</title> </head> <body bgcolor="e0f0ff" text="#000000"> <h2><b>set datawarn</b></h2> <p> <code>set datawarn on | off</code> <p> If set to "on" (the default), when the user tries to display a variable that consists entirely of undefined values GrADS will print the message "Entire Grid Undefined" in the display window. <p> <h3>Usage Notes</h3> <ol> </ol> <p> <h3>Examples </h3> </body> </html>