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Questions tagged [grass]

GRASS GIS, commonly referred to as GRASS (Geographic Resources Analysis Support System), is a free and open source Geographic Information System (GIS) software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization.

GRASS GIS, commonly referred to as GRASS (Geographic Resources Analysis Support System), is a free and open source Geographic Information System (GIS) software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization. GRASS GIS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies. It is a founding member of the Open Source Geospatial Foundation (OSGeo).

http://grass.osgeo.org/

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neo4j Grass documentation? Trying to set node size from a property

Is this possible using .grass? I made a property called diameter and set it to "50px" on a node, but it doesn't work. The nodes just disappear. "node.User": { "color": "#FB95AF", "border-color": "#E0849B", "text-color-internal":…
JamEnergy
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Unity3D Procedural Generation : Grass?

Since yesterday I have been trying to create a procedural infinite world generation and for my new game and for the moment everything goes pretty well, except that I can't figure out how to add grass to my mesh. My world is generated using…
No Braves Studio
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Error occurred when python function calling GRASS GIS module and another python function of the same kind

I wrote a python funciton A to call a GRASSGIS module from outside, and it ran fine. I wrote another python function B containing statement calling another GRASSGIS module and python function A, error occurred. function A: import os import…
Heinz
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errors with python script using GRASS GIS API

i have standalone install GRASS from official web site, and i using python 2.7 32b and windows 10. i trying to works with python api from GRASS GIS 7.0.4. but i have import errors. some imports work i can import in the python ide and some imports…
Chris Papas
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GRASS parser() error

I'm trying to use GRASS on python 2.7, but I'm having some problems at setting my script on IDLE, then I'm getting an error at parser() function: Here is my script: import os import sys gisbase = os.environ['GISBASE'] = 'C:\Program Files…
João Paulo
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GRASS g.gui.animation: change resolution and add text

I'm using the comand "g.gui.animation" in GRASS 7.0 to plot some raster maps (with no time information) that represent the timing evolution of a physical experiment. In detail, I'm using the instruction "g.gui.animation raster=map1,map2,map3" and…
Dalmo1991
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Can't run grass tools from python script (grass 6.4, python 2.7, win7)

I am new to GRASS, and i do not manage to get started. I am trying to write a python script that will call grass tool (at that point it does not really matter what tool) I created the location and mapset interactively, and set all the definitions.…
Dror Paz
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Grass commands to Web services

this question focuses more on Web services then Grass software. Do you have some suggestions on how to allow a command (Linux) to be accessed as a Web service? I am actually working with NodeJS, but other solutions are welcome. Thank…
Sofiane
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How to use the function r.cost to get the least-cost path between two polygons?

I am a beginner in GRASS but I would like to get the least-cost path between two polygons. More exactely, I would like to get the smallest cost from any point situated at the edge of one polygon (polygon A) to any point situated at the edge of…
Pierre
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I'm having a problem I can't solve error with initGRASS code. This is the error I get:

Error in system(paste("g.dirseps.exe -g", shQuote(Sys.getenv("GISRC"))), : 'g.dirseps.exe' not found In addition: Warning messages: 1: Package rgrass7 transitioning to package rgrass for GRASS 7+. 2: Package rgrass7 transitioning to package…
Bayes Rule
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GRASS v.overlay return "ERROR: Attribute not found"

I am trying to intersect two shapefiles. I was successful in doing so in QGIS by calling v.overlay. I want to do the same task on HPC using the command line. I am trying the following: module load grass/7.8.4 grass78 -c rivs_slice.shp -e…
ShGh
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I can't generate watershed stream order by the whitebox package in R

I'm having trouble generating the drain order by the whitebox package in R. Could you help me? When I run the wbt_strahler_stream_order function, the result is not limited to the drainage networks but is generated for the entire watershed with…
Heitor Carvalho
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Issues while interfacing R with GRASS GIS using rgrass package

I want to use some GRASS-GIS tools in R and I am using the rgrass package to interface R to GRASS GIS installed on my windows machine. When I run initGRASS(gisBase = "C:/Program Files/GRASS GIS 8.2", home = tempdir()) to initialize the environment,…
Faustin Gashakamba
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Getting error with derive_stream function of OpenSTARS R package

I'm trying to derive a stream network using the OpenSTARS R package with the command derive_stream() but I'm facing with this error: Conditioning DEM ... Error in system(cmd0, intern = TRUE) : 'r.hydrodem.exe' not found In addition: Warning…
valentina
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What does the result of r.hazard.flood show?

I am using the GRASS GIS software to research where a potential site could be for a new recycling centre. I have used the command r.hazard.flood to analyse where potential areas are likely to flood. This command will return 2 data layers in the…
Amrik Ahluwalia
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