Find answers to your questions about Geographic Information Systems or help others by answering their Geographic Information Systems questions.
I wish to create a model in QGIS 3, that can delete a specific polygon that has been selected in a layer. Is it possible to do this? I go...
Asked on 12/31/2021
2 answerI want to read an imageCollection, reduce all images in the collection by the region. and save the result. However, when I save the result, the properties of the...
Asked on 12/31/2021
1 answerI am attempting am building a map data React app using GIS data. I am accessing public GIS endpoints. The endpoint is http://gis.infrastructure.gov.au/infrastructure/rest/services/KeyFreightRoute/KFR/MapServer/0 On local development, it...
Asked on 12/31/2021
1 answerI want to add attributes, without features, that exists in one layer but not in the other using the code below. I see that I am not obtaining the "QVariant"...
Asked on 12/31/2021
1 answerIn QGIS 3.14 there's a new feature "Snapping to the currently digitized feature". This feature is demonstrated within a gif on the QGIS website (also shown below). How can this...
Asked on 12/31/2021
2 answerI tried to connect CesiumJS to ArcGIS by using ArcGisImageServerTerrainProvider.This works OK if I have a map in simple format BUT:ArcGIS 10 now supplies data in LERC compression and...
Asked on 12/29/2021
1 answerI have point layers of bird observations, and I want to symbolize certain areas by the number of bird observations in each polygon. Each point in the point layer has...
Asked on 12/29/2021
1 answerI'm using CSS and wanted to know how to set the min and max scale for a given layer. I see many solutions referencing SLD, but want to do...
Asked on 12/29/2021
1 answerI have set some metadata for my layer that I would like to export. I export the layer using the following:_writer = QgsVectorFileWriter.writeAsVectorFormat(layer,"path/layer.shp",'utf-8',driverName='ESRI Shapefile')However the saved layer does not...
Asked on 12/29/2021
1 answerI am using this file. I wrote this code.import rioxarrayimport xarrayxds = xarray.open_dataset("LIS_HIST_201401010000.d01 copy.nc")floodFraction = xds.FloodedFrac_tavg.transpose('east_west','north_south')floodFraction.rio.set_spatial_dims(x_dim="north_south", y_dim="east_west", inplace=True)floodFraction.rio.write_crs("EPSG:4326", inplace=True)floodFraction.rio.to_raster('floodFraction.tif')After running this script, my terminal shows...
Asked on 12/29/2021
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