[mapguide-users] two requests

Haris Kurtagic haris at sl-king.com
Fri Oct 31 17:23:06 EDT 2008

In Autodesk MapGuide Enterprise Update 1 Readme, I found this interesting:


"■ FDO Oracle trace showed two sets of queries for a single layer when there

should have been only one. Web browsers were sending a second render

map request because of PNG transparency issues with the map image.

Internet Explorer 7, Firefox 2 and Firefox 3 now only send one request,

improving performance. Internet Explorer 6 and Safari 3 still send two

requests to render the map, because they do not properly support PNG




I noticed that ajax viewer on one of my PCs is sending two requests to Mapguide 2.0.2. even when I am using IE 7.

So it makes map rendering twice slower as it should be.

FF 2 sends only one request from that machine.

>From couple of other PCs, IE 7 is sending only one request.


Is this only PNG transparency issue or there are some other issues?



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