6
votes
Accepted
Random buffering in QGIS
You can use different expressions such as project() or translate() together with rand() (random integer) or randf() (random float). For example:
with_variable('min',100, -- minimum distance for the ...
- 25.7k
6
votes
Random buffering in QGIS
Using v.perturb from the processing toolbox on the points you can move the points to a random location within a given distance.
Buffering the resulting points after this would achieve the same the ...
- 1,738
4
votes
Accepted
Artifacts in buffer
Zooming in reveals...
...that the artefacts are due to butt-ends on line segments, because cap_style=2. When you do the buffer it creates flat ends at the end of each feature, so where you have two ...
- 52.1k
3
votes
Accepted
Buffer Polygons without overlapping regions of neighbouring boundaries in ArcGIS Pro
The simplest buffer would be a buffer ignoring state division along the coastal edge and this can be achieved with the buffer tool and setting the Dissolve Type parameter to Dissolve all output ...
- 39k
2
votes
Creating buffers around points with lines as border
A possible solution which may not meet your needs is to use the Euclidean Allocation tool and set your river network to be the barrier layer. Below is an example of some points where maximum distance ...
- 39k
2
votes
Accepted
Calculating the joint area of two circles centered by two coordinates with 1 kilometer radius
As these points are in UTM 50 China zone, you can use following code for calculating corresponding overlapping area (by the way, unary_union method is preferred instead cascaded_union):
import pyproj
...
- 26.3k
2
votes
Randomly sample points within polygons
You can achieve this using a virtual layer.
Go to the menu Layer > Add Layer > Add/Edit Virtual Layer... and enter the following query. Feel free to add/remove any field of interest from the two ...
- 34.7k
1
vote
Accepted
Extraction of time series simultaneously on different radius bufferpoint on Google Earth Engine
You only have to define a buffers list object and modify your script as follows for mapping it. In this case, I only used two distances (250, 500) for saving compute time. I defined an arbitrary point ...
- 26.3k
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