PGPLOT > Documentation > Device Manual > Null device

PGPLOT: Null Device

The “null” device can be used to suppress all graphic output from a program.

Device type code
/NULL.
Default device name
None (the device name, if specified, is ignored).
Default view surface dimensions
Undefined (the device pretends to be a hardcopy device with 1000 pixels/inch and a view surface 8in high by 10.5in wide.)
Resolution
Undefined.
Color capability
Color indices 0-255 are accepted.
Input capability
None.
Environment variables
PGPLOT_DEBUG : if this environment variable is defined, with any value, some statistics are reported on standard output.