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I have many raster tif files (100+) I found this link to the MultiQml plugin very helpful, from this post: Can I change properties of several layers simultaneously?

However the 'No data' values does not seem to be saved with the style? Is there a way to do this? Any suggestions are very welcome.

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up vote 0 down vote accepted

I found a way to do it, although it is not via the QGIS styles.

By doing a translate (convert format) step in QGIS, one can assign the no data values, which can be done in batch mode.

When the images are opened, the no data values all appear transparent, which is what I aimed to achieve in the first place.

This could possible be added in the styles options, but there's possibly a good reason why it's in a separate tab within layer properties.

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