[mapguide-users] PNG/PNG8 question regarding overlay transparency

[Kenneth Skovhede, GEOGRAF A/S]

Ok, that must mean that PNG8 from AGG does not produce/support alpha 
values,
meaning that you can't get what you want :(

You should create an enhancement ticket for it.

Regards, Kenneth Skovhede, GEOGRAF A/S



gingerbbm skrev:
> I was using Firefox exclusively. But I just checked IE and there's no
> difference.
>
> It's easy to see the differences by finding the GETDYNAMICMAPOVERLAYIMAGE in
> Firebug and browsing that URL directly. Swap PNG to PNG8 to see how it
> changes.
>
> http://.../mapguide/mapagent/mapagent.fcgi?OPERATION=GETDYNAMICMAPOVERLAYIMAGE&FORMAT=PNG...
>
> In fact the PNG8 overlay looks terrible because the anti-aliasing
> disappears.
>