[Qgis-user] raster borders as a vector polygon file

[Giacomo Fontanelli]

Hi forum

I would like to extract the borders  of a raster file and save it as a
vector polygon.

I'm sure that QGIS (I use the 2.18 version) did it in previous versions,
but now I found that is possible only to extract the borders of a vector
file.


Thank you
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