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

gingerbbm stuart.jones at jacobs.com
Mon Oct 27 10:46:32 EDT 2008


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.
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