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I need to display an RGB raster on QGIS, with Multiband Color render type. After I set the Contrast Enhancement option to No enhancement, this is how the image is displayed.

enter image description here

No issues so far, since it is the correct visualisation. Unfortunately, when I set the transparency to 50% the colours are totally altered, as you can see in the following image.

enter image description here

There is not a transparency band, therefore I have set the Transparency Band option to None. Also trying to assign specific transparency band the result is basically the same.

  • Which QGIS version is this? – ndawson Nov 24 '15 at 21:37
  • I'm experiencing this issue in two different environments: QGIS 2.6 Brighton on Ubuntu 14.04 LTS and QGIS 2.8.1 Wien on Windows 7 In both cases the issue remains. – Andreampa Nov 25 '15 at 7:53
  • The reason I asked is that I seem to recall reading that this issue was fixed in newer versions. I'd give 2.8.3 a try. – ndawson Nov 25 '15 at 8:11

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