[GRASS-user] d.mon vs g.gui

Veronica Andreo veroandreo at gmail.com
Wed May 15 18:38:13 PDT 2019


Hi Tyler,

Yes, if you use d.mon plus d.vect or d.rast commands it takes a while to
load each map, you should do it one by one... indeed, d.mon interface is
not so cool for scripting visualizations, unless you use is as in
https://grass.osgeo.org/grass76/manuals/cairodriver.html. See also here:
https://gitpitch.com/veroandreo/grass-gis-conae/master?p=slides/05_temporal&grs=gitlab#/14/3.
Still if maps are heavy to load, I'm not sure how it will work. Others will
know better.

Another option for high quality cartography is ps.map or g.gui.psmap. You
can check the manual pages and grass wiki for examples. It is scriptable
and it provides nice features for creating maps. You spend time the first
time setting everything where you want it to be, but then just replace map
names and done (well, at least for rasters, that works nicely :)).

You cannot control de main Map Display from the GUI with d.vect and d.rast
from the terminal. It does work to run them from the Console tab in the
Layer Manager window, though.

HTH,
Vero

El vie., 10 may. 2019 a las 23:48, Tyler Smith (<tyler at plantarum.ca>)
escribiĆ³:

> Hi,
>
> I'm an occasional GRASS user, currently working with GRASS 7.6 on Debian.
> Since I often go months between GRASS sessions, I like to work in text mode
> with scripts.  My scripts are useful 'cheatsheets' to figure out how to
> reproduce my work.
>
> However, I've noticed that the display that's available via `d.mon
> start=wx0` doesn't work as well as the visually identical display I can get
> with `g.gui`. For example, plotting large vector maps on `wx0` I often find
> I can't get multiple maps to display at once, or if I zoom or pan the
> display stops refreshing and I'm stuck with a blank screen. These problems
> don't occur with the g.gui system.
>
> Having just tediously transferred several complex `d.vect` commands from
> my script to the gui "add a vector map", I was hoping there was a way I
> could continue to enter my scripts at the terminal prompt, and have the
> display commands directed to the g.gui map window. If I open `g.gui` and
> try that, I get the following error:
>
> ERROR: Neither MONITOR (managed by d.mon command) nor
>        GRASS_RENDER_IMMEDIATE (used for direct rendering) defined
>
> Is there anyway to combine the convenience of scripting at the terminal
> with the reliability of the g.gui display windows?
>
> Thanks,
>
> Tyler
>
> --
> plantarum.ca
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