Find answers to your questions about Geographic Information Systems or help others by answering their Geographic Information Systems questions.
I have a shapefile that contains building footprints with multiple addresses with different functions (with each an usable area).I would like to calculate the sum of the usable area,...
Asked on 08/09/2021
2 answerI have created a classification using Google Earth Engine following the tutorial using ee.Algorithms.Landsat.simpleComposite.I know the algorithm only uses raw scenes (as the...
Asked on 08/09/2021 by Petr Janoš
0 answerThe following PostGIS query involving ST_Relate gives FFFFFF102 as its result:SELECT ST_Relate( ST_GeomFromText('POLYGON EMPTY'), ST_GeomFromText('MULTILINESTRING((0 0,0 1),(0 1,1 1,1 0,0 0))'), 1);I would...
Asked on 08/08/2021 by Peter Stace
1 answerIt is necessary that the labels are evenly spaced relative to each other and do not clump together. Where can I specify the parameter in the settings: the distance between...
Asked on 08/08/2021
0 answerI just downloaded QGIS (3.0.2) and trying to create minimum convex polygon around points using minimum bounding geometry (convex hull). The videos and help documents I see online appear to...
Asked on 08/08/2021 by Phil Allman
7 answerI am trying to export aerial images of a city in Japan. I have specified a polygon geometry of the location and also specified it as region in export. But...
Asked on 08/08/2021 by stalker_of_the_stack
1 answerI calculated NDVI using Sentinel 2 image collection by mapping a function over the image collection and then returning the expression inside the function as a band .addBands(expression).rename('NDVI') Upon printing,...
Asked on 08/08/2021 by user173819
1 answerI found a way that should allow to use (Geo-)JSON flies with GeoServer: An unsupported GeoTools GeoJSON Datastore (thanks to this answer) Here is a link to the jar:...
Asked on 08/08/2021 by jonsken
2 answerI'm working with QGIS version 3.16.0-Hannover on both Mac and Windows OS and I encounter the same problem with using map tip. I added images and videos to point location...
Asked on 08/08/2021 by giulio89
0 answerI have this layer that came from a CAD software and was converted to KMZ so I can use in GIS (somehow the DWG and DXF doesn't import properly in...
Asked on 08/08/2021
0 answerGet help from others!
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