Questions tagged [slivers]
Questions related to identifying or removing polygon slivers.
53
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Why are there so many slivers in my polygon shapefile?
I georeferenced a map and then traced a vector polygon shapefile over it, but when I dissolve it I am left with an enormous amount of slivers. All the vertices are snapped as far as I'm aware. What ...
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1
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328
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Resolving gaps between polygons
I have a large global shapefile with thousands of small gaps/sliver polygons between joined polygons (shared borders of countries). I joined the shapefiles using the sf R package, and have attempted ...
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1
answer
300
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Automatically Eliminate slivers so that they follow boundaries of background layer, instead of having them merged with the largest polygons
The Eliminate tool offers a useful way of getting rid of thousands of small gaps and overlaps (slivers) automatically.
According to its description, it "eliminates polygons by merging them with ...
2
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0
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237
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Tiny slivers and overlaps, even when using snapping when digitizing
I am in the process of creating several large shapefiles of administrative divisions in Europe. I digitized them using the snapping feature as well as the tracing feature. There are no visible ...
2
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1
answer
559
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Closing thin gaps created by the boundary of a polygon in QGIS
I am working in QGIS 3 and I have a shape file containing many polygons. Several of the polygons have very thin gaps created by the bounding line of the polygon and they do not penetrate the entire ...
2
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1
answer
204
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Spatial join sum error using ArcMap
I'm working with two political boundary shapefiles from Brazil. One is a municipality shapefile, and the other is the broader micro region, which contains all the municipalities. I'm trying to ...
7
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2
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766
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Removing elongated, "thin" parts of shapes using R
I have a dataset with a lot of polygons, of which some are long and thin in shape (see image). I'd like to remove their "extremities".
Is there a tool/method to remove thin parts of a ...
0
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3
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504
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Deleting sliver parts of single polygon using QGIS
The polygon highlighted in red is a single polygon that has slivers directly attached to it.
I used the Difference tool on two polygon layers which lead to slivers / fuzzy polygon parts (see picture). ...
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V.Clean is not giving output In QGIS 3.14 Pi
I was trying to clean by removing sliver lines between set of polygons in my KML file. But unfortunately I am getting following error:
QGIS version: 3.14.15-Pi
QGIS code revision: d5114d2cfa
Qt ...
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1
answer
1k
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Removing slivers from merged polygon using ArcGIS
I have a merged shapefile composed of 3 polygon classes (sand, water, vegetation) from where users have traced over a satellite image.
There a few slivers I need to remove. These are very slim ...
4
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106
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Why QGIS/PostGIS makes Sliver / small polygon when using erase (difference) tool unlike ArcGIS (QGIS vs ArcMap)?
When erasing b polygon from a, sliver(or small) polygons occured along the a polygon boundary in QGIS(3.4.5).
But ArcMap(10.3) does not make any slivers at all. I don't know which difference between ...
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Confirm presence of Slivers / gaps between geometries
Working on ArcGIS 10.7
I have a layer in which, when looking from a certain distance, some aligned white dots appear between two entities (in the image below, the black entity - a road - is formed by ...
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1
answer
849
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Eliminating sliver polygons automatically [closed]
I have thousands of sliver polygons outside of my study area. What is the best way to eliminate them automatically? In ArcGIS or QGIS.
Those polygon islands are an example of the slivers.
Note: I can´...
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1
answer
28
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Exporting Data from Layer Export introducing slivers in coincident data
I am seeing odd behaviour in Arcmap 10.6 where I select a layer and export its data and then choose to import the exported data and when it comes in I see slivers in areas which are coincident in the ...
2
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3
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282
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Removing polygon sliver other than by using graphic-to-feature
I often have to edit the edges of polygons to match or be cut by the edges of other polygons with complex shapes. This sometimes leaves disconnected slivers.
Is there a simpler/faster way to remove ...