Questions tagged [duplicates]

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Remove multiple lines in close proximity in QGIS

I have a set of lines which are in close proximity to each other. I would like to retain only one line (or create a new single line) & remove all the other lines. Rule to remove unwanted lines can ...
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2 votes
0 answers
36 views

Deleting large number of duplicates in attribute table in QGIS

In QGIS 3.22 I have a vector file with about 9000+ objects and for some reason, each of them has duplicates. Which way can I find on QGIS to remove duplicates which have the same object "ID" ...
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1 answer
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Removing repeated commas with ArcGIS Survey123

I have created a form in ArcGIS Survey123. I have several field where you can enter multiple numbers from a select_multiple question. I then want to put all of those numbers into a single string. So I ...
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3 votes
2 answers
104 views

Comparing two different layers with duplicates in QGIS

I'm trying to compare 'layer A' with 'layer B'. Layer B is the result of the intersection between layer A and another layer C, so the elements in B are all contained in A. My goal is to create a new ...
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  • 161
6 votes
2 answers
385 views

Removing duplicates from string in QGIS

In QGIS 3.18 in a shapefile attribute table, I have some fields with concatenated values (with commas , as the delimiter). Some of the values are duplicate, and I would like to remove them. For ...
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Count then remove similar polygon features

Is there a feature, preferably in OGR, that will remove duplicate polygons and add a count of duplicates to the remaining features attribute field?
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