QGIS Clipping Raster ERROR Cutline polygon is invalid

Question

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.

              Fig.1

             Fig.2

Answer 1

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

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