Running and Verification
Procedure
- Use PuTTY to log in to the server as the root user.
- Set the environment variables.
export PATH=/path/to/grads-2.2.1/bin:$PATH export LD_LIBRARY_PATH=/path/to/grads-2.2.1/lib:$LD_LIBRARY_PATH export GADDIR=/path/to/grads-2.2.1/data export GASCRP=/path/to/grads-2.2.1/src export GAUDPT=/path/to/grads-2.2.1/udpt
- Create a configuration file.
vim /path/to/grads-2.2.1/udpt
Add the following content to the file:
# Type Name Full path to shared object file # ---- ---- ------------------------------- gxdisplay Cairo /path/to/grads-2.2.1/lib/libgxdCairo.so gxdisplay X11 /path/to/grads-2.2.1/lib/libgxdX11.so gxdisplay gxdummy /path/to/grads-2.2.1/lib/libgxdummy.so * gxprint Cairo /path/to/grads-2.2.1/lib/libgxpCairo.so gxprint GD /path/to/grads-2.2.1/lib/libgxpGD.so gxprint gxdummy /path/to/grads-2.2.1/lib/libgxdummy.so * #function dothis /home/username/grads/udp/dothis.so
- Decompress the test case file.
tar -zxvf example.tar.gz
- Run GrADS.
grads
After you log in to the system, the system asks you whether to use the Landscape mode. Press Enter.
In GrADS, run the following command to open the test file:
open model.ctl query file d ps
If the following information is displayed, the running is successful.

If the preceding information is displayed, GrADS is successfully installed.
Parent topic: GrADS 2.2.1 Porting Guide (CentOS 8.2)