New answers tagged overlapping-features
3
votes
Accepted
Creating new polygons from intersecting polygon and polylines in QGIS
Use the "Split with lines" geoalgorithm.
Before:
After:
Afterwards the application of the "Remove null geometries" and "Delete duplicate geometries" geoalgorithms is ...
- 23k
0
votes
Displaying only points within polygon I created in QGIS
Use symbolgy and assign the function 'geometry' as below:
pole_of_inaccissibilty($geometry,1)
or
use the plugin Point sample tools.
1
vote
'union' between spatial polygons and spatial points in R
I found out how to do it.
Two ways:
applying point.in.poly(grid, acled). So x= polygons, y=points.
applying point.in.poly(ACLED, grid) in the right way then merging with the initial grid.
grid....
- 41
0
votes
Counting stacked polygons in PostGIS
Let's assume there is a polygon layer called 'poly_test', see image below.
Extending the idea from @geozelot it is possible to count the polygons via grouping by their geometry.
With the following ...
- 23k
0
votes
Count overlapping features using Geopandas
A better solution based on Parker Devine's answer
def count_overlapping_features(gdf):
#generating all of the split pieces
import shapely
bounds = gdf.geometry.exterior.unary_union
...
- 1
1
vote
Filter by bounding box in GeoPandas
A quick solution to this if the shape you want to clip by is a box:
from shapely.geometry import box
bbox = box(*df_sussex.total_bounds)
df_clipped = gpd.mask(df, mask=bbox)
It uses the shapely....
- 11
3
votes
Calculating mean value for points within polygon in QGIS
Solution 1
Using the data you provided, I get meaningful results using Join Attributes by Location (Summary), see screenshot below and be sure to make settings accordingly.
Solution 2
Another option ...
- 40.1k
4
votes
Calculating mean value for points within polygon in QGIS
There is a possibility using a "Virtual Layer" through Layer > Add Layer > Add/Edit Virtual Layer....
Let's assume there are two layers one with points called 'points_example' (green) ...
- 23k
1
vote
Looking for QGIS equivalent of ArcMap's "Selection by Location" tool with "Have their centroid in" option
You can use multiple steps:
Create centroids of the layer you want to select from
Extract the centroids within the selection polygon layer
Extract the polygons intersecting the extracted centroids:
- 51.3k
9
votes
Accepted
Drawing lines that overlap inside the perimeter using QGIS
Set your border to simple line and check Only draw the line inside the polygone (or something like that)
- 753
8
votes
Drawing lines that overlap inside the perimeter using QGIS
One option is to set an offset that is 1/2 the stroke width.
You can adjust this offset if the thin white space between the polygons bother you. You can also change the join style to make the ...
- 34.3k
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