Find answers to your questions about Geographic Information Systems or help others by answering their Geographic Information Systems questions.
I want to build weighted Voronoi diagram in R, as in How to draw weighted voronoi polygons (thiessen) from points in QGIS? or Create weighted Thiessen polygons?, but...
Asked on 11/28/2020 by Simone Bianchi
1 answerI have 2 raster datasets of temperature and precipitation from WorldClim. Is there any way to loop through 2 raster datasets at the same time and perform raster calculation on...
Asked on 11/28/2020 by coder_001
2 answerI am attempting to configure our internal GeoServer to cascade an external WMS server. The external server has some custom properties which need to be passed when making a...
Asked on 11/28/2020 by Paul Kennedy
2 answerI am trying to make an attribute to show the uneven spread of the crown of a tree using the four cardinal points. I can use a buffer to show...
Asked on 11/27/2020 by Island Lescure
2 answerI have a rainfall time series for 15 hours in increments of 0.250s, I need to convert it from a .txt-file to a raster. I've tried using r.mapcalc in GRASS,...
Asked on 11/27/2020 by Amrie Singh
1 answerI have 4 scanned maps in geotiff format and need to create a single map using OkMap with the 4 geotiff files. How can I add adicional map files to...
Asked on 11/27/2020 by pmatos
1 answerI was editing a polygon shapefile in QGIS (3.0.1) today when suddenly 966 out of 5382 polygons disappeared from the map. I had been changing attribute information in the table,...
Asked on 11/27/2020
2 answerI worked with a photo that is apparently a bit offset. Now I have more then 10,000 points with that offset. Now that I have the correct map I would...
Asked on 11/27/2020 by tristramit
2 answerUsing ArcGIS 10.0, is it possible to reorder the fields in a file geodatabase, and have the order persisted to the database? We considered exporting to XML, and writing a...
Asked on 11/27/2020 by Stephen Lead
14 answerI have two layers, one with ~100,000 points, and another with ~20 polygons. I'm trying to find:a. which polygon a point belongs tob. the distance from the point...
Asked on 11/27/2020
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