Unidata - To provide the data services, tools, and cyberinfrastructure leadership that advance Earth system science, enhance educational opportunities, and broaden participation. Unidata
    •      
  advanced  
 
Table of contents Previous: Global Keywords TWIN Next: Julian Day Calendar

VIRT

This keyword specifies a virtual graphics number. It applies only to commands that generate graphics. To list your virtual graphics files, use DMAP VIRT.

VIRT=

number A

appends the graphics to the specified virtual graphics number, the range is 1 to 9999

 

number R

replaces the graphics in the specified virtual graphics number, the range is 1 to 9999 (default)

Graphics are simultaneously drawn on a graphics frame and saved to a designated file. The file name is of the form VIRTxxxx where xxxx is the number specified in the keyword. Below are three examples.

MAP USA VIRT=1

This entry draws a map of the USA on the graphics frame and writes the output to file VIRT0001, which can later be restored using the SHOWVG command.

MAP USA X LALO VIRT=1 A

This entry draws a map of the USA on the graphics frame, appending it to the output in file VIRT0001. It can later be restored using the SHOWVG command.

MAP MID VIRT=1 R

This entry replaces the USA map above with a map of the Midwest United States.


Table of contents Previous: Global Keywords TWIN Next: Julian Day Calendar
 
 
  Contact Us   •   Site Map   •   Search   •   Terms and Conditions   •   Privacy Policy   •   Participation Policy
 
National Science Foundation (NSF) UCAR Office of Programs University Corporation for Atmospheric Research (UCAR)   Unidata is a member of the UCAR Office of Programs, is managed by the University Corporation for Atmospheric Research, and is sponsored by the National Science Foundation.
P.O. Box 3000   •   Boulder, CO 80307-3000 USA   •   Tel: 303-497-8643   •   Fax: 303-497-8690