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I made several buffers around some points. Now I want to select all polygons that are completely within this buffer. My problem is that I also get the polygons that are partially outside of the buffer.

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  • how are you doing your selection? looks like you want a contains instead of an intersects operation
    – Ian Turton ♦
    Jan 7, 2016 at 17:12

3 Answers 3

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You should use "Vector->Research tools->Select by Location" and check the "Use selected features only" box. You will want to include ONLY:

Include input features completely within the selection features

https://docs.qgis.org/2.6/en/docs/user_manual/processing_algs/qgis/vector_selection_tools/selectbylocation.html

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  • Thnx ed.hankins! That works.
    – L. Grunn
    Jan 8, 2016 at 10:42
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Just to add to the already given great answers, you could also use the Select by location tool from the Processing Toolbox to give you more options on how you want to select your objects:

Select by location

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There is a spatial query plugin that makes this possible. It has a 'within' operation. You can see the QGIS docs on the plugin here.

Edit: to add that you'll have to add the plugin via the Plugin Manager. If you are unfamiliar with this in QGIS, here are the basic docs.

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  • I did use the spatial query plugin and selected the "within" feature. But i don't get all the polygons back that are within the buffer.
    – L. Grunn
    Jan 7, 2016 at 17:25

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