Linked Questions
17 questions linked to/from Selecting features within polygon from another layer using QGIS
6
votes
3
answers
2k
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QGIS Select points within ONE polygon in a different layer
I have a set of points, which are located in the same area where the other, polygon layer is located.
I would like to have all the points selected, but ONLY within the one polygon belonging to the ...
- 4,087
6
votes
2
answers
3k
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Lines and polygons intersection with tolerance in QGIS
I have a layer with polygons and a layer with polylines.
I am looking for the list of polygons crossed by the polylines.
Just here it's relatively simple: intersection function.
That said, the layout ...
- 61
6
votes
2
answers
15k
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How to select only polygons that overlap with another layer?
I have two shapefile layers created from different thresholds from a predictive model (Pink=80; Yellow=95).
Is there a way to create a new layer of only those pink polygons that contain yellow ...
- 61
2
votes
2
answers
5k
views
Selecting features within polygon from another layer using R or Python? [closed]
For Selecting features within polygon from another layer using QGIS? the solution was to:
use the "Vector->Research tools->Select by Location"
However, I would like to know how to do the same ...
- 403
4
votes
2
answers
3k
views
Dissolving only selected features in a layer?
I am curious to know if it is possible to dissolve only the selected features in a layer in QGIS. In ArcGIS this is the default behaviour (which was actually someone annoying most of the time), but ...
- 3,548
4
votes
1
answer
4k
views
Selecting features intersecting a selection from another layer in QGIS
I have two large WFS layers in QGIS (2.16.3): one with polygons and the other with points. I've selected some of the features from the polygon layer and now I'd like to select all the features from ...
- 43
5
votes
2
answers
566
views
Moving two layers with different geometry at once with snapped vertices in QGIS
I would like to be able to move two layers that look like you see below:
Basically, when I move the polygon object, to which the lines are snapped as a separate layer I want them to be intact at the ...
- 4,087
2
votes
1
answer
2k
views
Delete points inside a polygon
I am working under QGis 3.4.8 Madeira under Windows 10.
I have uploaded two layers on my project.
Layer A is a points layer. Layer B is a polygons layer.
Some points of layer A are located in the ...
- 617
1
vote
1
answer
3k
views
How to remove vector grid cells that don't overlap with features from a certain layer in QGIS?
I am working on displaying a road network with QGIS (2.4). Doing this I have a couple of layers, including a base network of roads, and my modified layer. All in all they become a huge network. ...
- 111
2
votes
2
answers
2k
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Selecting points within buffer using PostGIS?
I have approx 73,000 locations. For each location, I need to know which of the other locations is within a 1km radius from it. I would like this result to be in a table (so perhaps using a PostGIS ...
- 33
1
vote
0
answers
772
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Add an attribute to polygon layer based on if it intersects with another layer
I have a layer of buildings and want to give it each polygon an attribute of 1 or 0, based on if it intersects a flood extent. Basically, a flooded or not flooded attribute.
- 113
2
votes
2
answers
218
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How to overlay subset of one data set onto another
I have two data sets: one for Thurston County, Washington and one for all of Washington state. I created a map of hydrology features in Thurston County, and now I want to take the data from the ...
- 673
0
votes
2
answers
462
views
Using QGIS Difference with Point and Polygon
After installing a fresh QGIS 3.10 version on a Windows computer I recently saw an unexpected behavior of the "Difference" feature from QGIS. (on one of my old computer with QGIS 3.4 it is different)
...
- 21
3
votes
1
answer
351
views
Null values in polygon intersection results
I am using 2.8.3-Wien to analyse two polygon layers, one with many more polygons (layer A) than the second. (layer B)
I need to know which of the polygons in A overlap with each of the polygons in B, ...
- 61
1
vote
1
answer
478
views
Polygons overlapping points (not points within the polygon)
I use QGIS 2.14. I have one layer for the points and one layer with many polygons.
I'm having trouble finding the polygons that overlapped with the points.
Is there a way to do this?
I'm not asking ...
- 13