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I am seeking a way, using QGIS, to automatically add polygon features identical to others on the layer. In this case, they are water valves on a water network. Anyone know of a user-friendly way to add new valves that visually line up with the pipes without needing to manually draw the polygons through editor mode?

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    Welcome to GIS SE, do you have a specific software in mind for this task?
    – artwork21
    Feb 14, 2014 at 20:30
  • thanks, artwork. Apologies for omitting that detail--i've now edited my post.
    – user25976
    Feb 14, 2014 at 21:49
  • Is this a spatial task? From your question and the comment below it sounds like a drawing job.
    – Simbamangu
    Feb 15, 2014 at 13:09
  • It's a drawing job with a programmatic approach.
    – user25976
    Feb 18, 2014 at 1:42

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You can simply start an edit session on the layer, select the feature that you want to re-use and on the Edit menu select Copy then Paste. This will put an identical feature on top of the selected feature which you may drag and move.

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  • This is our current solution, but ideally we would be able to automatically rotate the valve to line up with the pipe.
    – user25976
    Feb 14, 2014 at 22:07
  • This technique also copies the attribute data. Ideally, creating the new feature would incite a custom form.
    – user25976
    Feb 15, 2014 at 0:00

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