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I'm tryng to clip a raster with a shapefile using the tool in QGIS 2.18: Raster--> Extraction--> Clip.

Since I want not only to clip the raster layer, but also clip the dataset in order to have a lighter file (using the shape as a mask and checking the box "clip also the dataset" as you can see from the image [forgive me, in the image everything is in Italian]).

I tried to solve my problem with previuos discussion but nothing. In fact, the most similar was this one Rasterfile clipping error: Cannot compute bounding box of cutline, where the solution was to set the same CRS to the raster and the shape. I checked and it was the same CRS, but the error continued to appear.

If I try to clip the layer without checking the box for clipping also the dataset, it works.

Any suggestion?

enter image description here

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  • This may be an overkill, but will you save your input file (OUTPUT_cum_curmap.asc) as an GeoTiff file before this clipping operation? It will be a good opportunity to ensure your CRS, too.
    – Kazuhito
    Nov 1, 2018 at 11:36
  • Oh yes! (Sorry for the delay). This is also quite strange but it worked. I mean, it is strange because the layer had its CRS, and also trying to assign it again (using raster-->projection-->assign projection) it didn't work. But doing has @Kazuhito said it worked. First, thank you! Second, can you explain me why it happened?
    – Franza
    Nov 9, 2018 at 9:41
  • To be honest I do not know why. There are occasions QGIS operations are influenced by data source, so I will convert KML to Shapefile and Ascii to GeoTiff whenever I encounter errors. Sorry I have no answer, but glad it worked out for you.
    – Kazuhito
    Nov 9, 2018 at 10:46

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