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I want to clip a raster tif image based on a shapefile. However,the error as Fig.2 popuped when I use the Clipper Toolbox.What's the reason?I can make it in ArcGIS by Clip function in Toolbox.Thanks.

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 Fig.1

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 Fig.2
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  • You're right.There are several self intersection indeed.I have solved the problem.Thanks. Commented Nov 3, 2017 at 8:06

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Obviously you are using a polygon which has a self intersection.

Check your geometries in QGIS with Vector > Geometry Tools > Check validity.

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