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I want to do following transformations to my land use poly line. Is there any way to do this process in QGIS? I have tried v.clean tool in QGIS, but it is not working properly.
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Padmanabha
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maiyourathaan
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    What are the options you used in the v.clean tool ? What is the coordinate system of your line layer ? Can you give WKT on a sample of lines to "process" ? – J. Monticolo Oct 15 '21 at 12:59
  • v.clean--> input featur type:line, cleaning tool: break, snap, rmline thrshold:0,1,1 coordinate system:UTM32 – maiyourathaan Oct 15 '21 at 13:14
  • what is WKT? do you need a sample polyl line layer? if yes, how can i upload my shape file here ? – maiyourathaan Oct 15 '21 at 13:28
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    You can edit your question to add details. For WKT : https://en.wikipedia.org/wiki/Well-known_text_representation_of_geometry. It's a geometry as a text format so you can paste it here. The entire shapefile is not needed, just some cases to try. – J. Monticolo Oct 15 '21 at 13:56
  • i have converted my lines as csv format and i think i have selected geometry type as wkt format. how can i add this here – maiyourathaan Oct 15 '21 at 14:06
  • At the bottom of the question post, below the qgis tag, you have links : "Share" / "Edit" / "Follow" ..., click on Edit. – J. Monticolo Oct 15 '21 at 14:33
  • There are 2 possibilities in this older question: https://gis.stackexchange.com/questions/206595/seeking-conflation-tool-for-qgis you're looking for conflation tools. – mkennedy Oct 15 '21 at 15:16
  • I suggest you ask for each feature in a different thread – GforGIS Aug 04 '23 at 04:19

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The only way to do this is using the Topology Checker plugin. First define rules, such as near or coincide for example, then the plugin would either correct them or show you where a problem is found. An elaborate instruction exists on the webpage that I've attached.

Ash
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