Questions tagged [buffer]
A region enclosing a point, line, or polygon at a specified distance.
1,498
questions
39
votes
6
answers
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Creating square buffer around point feature using ArcMap
I would like to create a square buffer from a point feature but I do not understand the code that goes into it.
Similar questions have been asked on the forums.esri website but that was over 10 ...
37
votes
11
answers
114k
views
Performing reverse clip in ArcMap
Is there a way to perform a 'reverse' of the clip function in ArcMap?
I am not exactly sure how to explain this so here is a diagram:
31
votes
6
answers
5k
views
How to buffer raster pixels by their values?
The pixels to the left represent tree locations and their associated crown radii (i.e. pixel values ranging from 2 - 5). I would like to buffer these raster pixels by their crown radius value. The ...
28
votes
5
answers
5k
views
Buffer neighbouring polygons without overlap using QGIS
Is it possible to create a buffer around neighbouring polygons, so that the new polygons do not overlap?
Preferably in QGIS but any other tool will do.
So instead of the first result I would like ...
25
votes
1
answer
38k
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Geopandas buffer using geodataframe while maintaining the dataframe
The objective is to create a geoDataFrame with buffered geometries AND with all the "attributes" of the original geodataframe.
I am able to perform a buffer on my geoDataFrame using:
gdfHybasBuffer ...
25
votes
1
answer
30k
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Understanding QGIS buffer tool units
I have had no luck getting the buffer tool to accept anything but degrees as units of measure.
I have found lots of stuff saying the layer needs to be reprojected and saved but it hasn't worked at ...
24
votes
4
answers
99k
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Creating buffer in meters
Objective
Given a list of coordinates in longitude/latitude, stored as a .csv file, I want to create a buffer with distance of x km around those coordinates. (In case this is relevant, these ...
19
votes
4
answers
7k
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Creating one-sided buffers or parallel lines in PostGIS?
I'm looking for a way to create so-called one-sided buffers or parallel lines in PostGIS. Example: 1. buffer, 2. one-side, 3. both-sides
I've found some discussion on the mailing list from 2009 and ...
17
votes
4
answers
17k
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Buffering in PyQGIS
I'm looking for some examples to do simple python scripts in QGIS. How would I do a buffer analysis on a dataset?
I can't seem to find much in the manual and QGIS python that quite matches the ESRI ...
16
votes
5
answers
4k
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Seeking Python library (other than ArcPy) for geoprocessing such as buffer? [closed]
Excluding ArcPy, is there any python library which can do geoprocessing, such as buffer/intersect, with shapefiles?
16
votes
3
answers
4k
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What does buffer mean in QGIS Voronoi dialog?
Could you explain what "buffer" does in the Voronoi dialog i.e. what does the number stand for?
16
votes
2
answers
21k
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Creating "Inner Buffer" using ArcGIS for Desktop?
I am currently searching for how to create an "Inner Buffer" in ArcGIS for Desktop?
I have a lot of polygons (houses) in one feature class, and one big polygon (in another feature class).
I want so ...
16
votes
2
answers
12k
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Buffering in meters/km using WGS84 layers using QGIS
I am using QGIS 1.7.4-Wroclaw and working with an SHP layer in WGS84. I want to buffer out to a certain number of kilometers from this layer using the ftools buffer tool.
I understand that the buffer ...
15
votes
2
answers
812
views
Creating equally split buffers between points in QGIS
I want to create buffers for every health facility, but they end up overlapping.
How can I create buffers that split equally between the distance of 2 health facilities?
Example of the result wanted ...
15
votes
3
answers
5k
views
Achieving Flat-End line buffers in QGIS?
I need to buffer a series of lines by 40m, however I only want the buffer to come off the sides and not off either end of the line.
I know in ArcGIS there is a "flat-ends" tickbox that achieves ...