GRASS GIS
GRASS (Geographic Resources Analysis Support System) is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
Available
GRASS is available with following versions:
- GRASS 7.8.7 with qgis/3.31 module in Puhti and LUMI
- GRASS 7.8.5 with qgis/3.22 module in Puhti
Usage
GRASS GIS Command Line Interface
In Puhti, GRASS GIS is included in QGIS module. GRASS GIS command line tools can be used in an interactive session or batch jobs. See examples for using GRASS GIS commands in Puhti with GRASS bash scripting, Python scripting or PyGRASS. See also the references section at the end of this page.
GRASS GIS Graphical User Interface
GRASS in Puhti
The easiest option for using GRASS GIS is to open it in Puhti web interface as Desktop app.
- Log in to Puhti web interface.
- Open Remote desktop: Apps -> Desktop, choose Desktop:
xfce
. - After launcing the remote desktop, double-click GRASS GIS icon for the newest version.
If you want to use older version, open Host Terminal
(Desktop icon) and start GRASS GIS:
module load qgis/3.22
grass
GRASS in LUMI
Until LUMI web interface is available, GRASS needs to be used with SSH X11 forwarding.
module use /appl/local/csc/modulefiles
module load qgis
grass
License and acknowledgement
Geographic Resources Analysis Support System (GRASS) is Copyright, 1999-2020 GRASS Development Team, and licensed under the terms of the GNU General Public License (GPL). This includes all software, documentation, and associated materials. Full GRASS GIS license
Please acknowledge CSC and Geoportti in your publications, it is important for project continuation and funding reports. As an example, you can write "The authors wish to thank CSC - IT Center for Science, Finland (urn:nbn:fi:research-infras-2016072531) and the Open Geospatial Information Infrastructure for Research (Geoportti, urn:nbn:fi:research-infras-2016072513) for computational resources and support".
References
- GRASS GIS homepage
- GRASS GIS manuals
- Parellel GRASS jobs
- GRASS GIS tutorials
- GRASS database, location, mapset and region, the basic concepts always needed with GRASS GIS.
In case of using parallel computation, be extra careful with
region
. - Anna Petrasova, GRASS GIS workshop at FOSS4G, part 5: parallelization