4
votes
Accepted
Extracting raster cell values from Gridded World Population Dataset in R
A regular grid in lat-long has cells of varying area. So adding a population density while ignoring the cell area will lead to incorrect values of population.
Luckily there's a handy raster::area ...
- 51.1k
3
votes
Accepted
Remove the intersecting parts in a set of polygons
Using GeoPandas (as it was mentioned in a comment). Inspired by this question.
import geopandas as gpd
import itertools
# load data
gpkg = r'D:\OneDrive\geodata\misc.gpkg'
layer = r'...
- 7,261
3
votes
QGIS: Min & max buffer to cover features in another layer
Step 1: Make sure your sinks have a unique ID.
Step 2: Use extract vertices on your "sink" features.
Step 3: Run join attributes by nearest with your source features as first input and the ...
- 12.4k
2
votes
Accepted
WMS is for raster... What is for vector layers?
WFS. Web Feature Service would be the vector equivalent of WMS.
For tiles vectors there is vector tiles, which can be served through TMS. For example with GeoServer: https://docs.geoserver.org/latest/...
- 15.2k
1
vote
Remove the intersecting parts in a set of polygons
To find all the intersections in a GeoDataFRame, you can use libpysal, see geopandas self intersection grouping (you can create fuzzy contiguity weights matrix based on intersection and get labels of ...
- 50.7k
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