Hi Paolo,
PNG 8bit, it's a degradation of the color palette to be stored in an 8
bit table.
The greying effect is a result of this compression. PNG 8bit has to be
used for a layer with no effect rendered with a grey palette or with a
reduce number of color.
For the lizmap plugin, you can open an issue to add alert.
Regards,
Le 24/12/2015 09:03, Paolo Cavallini a écrit :
Il 24/12/2015 09:01, Alessandro Pasotti ha scritto:
I don't think that png8 can have an alpha channel.
No transparencies are possible for that format.
That's what I expected, but the greying out effect is surprising, please
have a look to my example.
In fact, a warning on the Lizmap plugin could be useful.
Thanks.
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