Questions tagged [holes]
The holes tag has no summary.
47 questions
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Efficiently remove holes from complex polygons while preserving geometry
Problem
I have a polygon dataset containing many features with holes of various sizes. For my downstream modeling workflow, I need polygons without any holes. The challenge is to remove these holes ...
- 21
4
votes
1
answer
74
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Creating new and separate layer from hole(s) in multiple layers in QGIS
I am trying to create a new layer that fits perfectly into the hole in the picture below. All of the orange shapes are different layers.
2
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1
answer
247
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After importing KMZ/KML holes do not show up in QGIS
I have a KMZ of a land area, a polygon. That polygon has holes.
When I load the file into QGIS, the holes disappear. This issue was addressed back in 2018 but with no real solution. I also tried the ...
- 575
0
votes
1
answer
87
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Removing true holes in a doughnut polygon
I want to create small cuts to open the holes in a shapefile, while the cuts should be contiguous without affecting the main shape and size of the polygons. The goal is not to have any true holes in a ...
2
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1
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100
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gdaldem hillshade leaves holes in map at hill shadows
I have followed the install guide for OpenTopoMap exactly, this can be found here: https://github.com/der-stefan/OpenTopoMap/blob/master/mapnik/README.md#compile-and-install-mod_tile
When I view the ...
- 21
2
votes
1
answer
253
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How to identify holes of missing geometry enclosed within a polygon in QGIS?
I want to locate or highlight all the holes (invalid interior rings that do not connect at all vertices and edges) and redundant geometry in a polygon shapefile in QGIS so that I can go back and ...
- 407
-1
votes
2
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980
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Locate or find holes tool in QGIS for polygon shapefiles [closed]
I want to locate or highlight all the holes (invalid interior rings that do not connect at all vertices and edges) and redundant geometry in a polygon shapefile in QGIS so that I can go back and ...
- 407
0
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0
answers
347
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Fill hole in a raster
I'm currently using ArcGIS Pro to process my Maxent output (habitat suitability). There's a hole in it and I'm planning to fill it with the nearest data. I've tried using the "Fill" tool but ...
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2
votes
2
answers
248
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Fixing holes in the buffered polygon using PyQGIS
My script uses a buffer and dissolves to create polygons around my points. However, there are holes in between the points. I do not want to increase the distance because then it will also cover the ...
- 163
-1
votes
1
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378
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Create one continuous polygon from many polygons with holes in QGIS
How can I create one single continuous polygon from many polygon and the gaps will be preserved? So whole polygon will be connect into one big single polygon.
Using the dissolve tool will not connect ...
- 15
1
vote
0
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210
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QGIS Delete holes "Remove holes with an area less than" is not working
In QGIS, both Windows 7 and Ubuntu, older and latest versions, I have used r.to.vect to create a GPKG polygon layer. When I try to delete holes below a certain value, all the holes are deleted, even ...
0
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464
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Identifying (spotting) holes (pits, depressions) on surface using DTM and highlight them
Is there any way to identify all the ”holes” on a surface (DEM, DTM) - (pits, depressions) and highlight them using ArcGIS Pro?
I need for example to highlight all the ”holes” that are more deep than ...
0
votes
0
answers
618
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How to fix hole lies outside shell; error fix geometries
I have been working with different shapefiles and used the difference tool which changed the geometries of the different polygons. For some polygons it changed into Lines, so I had to change it to ...
- 103
15
votes
4
answers
3k
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Deleting small holes in polygons specifying the size with PostGIS
I have a big MultiPolygon layer in which I want to delete holes smaller than 100m².
QGIS do it well and fast with the algorithm "native:deleteholes", but I need to use it as part of a SQL ...
- 725
2
votes
1
answer
1k
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Filling holes and gaps in shapefile using QGIS [duplicate]
I converted a RBG to a raster then created a vector based on the values I wanted. The file looks good but there are some 'gaps' between the polygons. I tried the delete holes function but it doesn't ...
- 553