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<p class=MsoNormal><span style='color:#1F497D'>I don’t know what the cause of
the behavior could be, but is it possible that the same Windows Updates have
not been applied to the machines sending 2 requests?<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Dave<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Haris
Kurtagic<br>
<b>Sent:</b> Friday, October 31, 2008 3:23 PM<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> [mapguide-users] two requests<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>In Autodesk
MapGuide Enterprise Update 1 Readme, I found this interesting:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-family:"Arial","sans-serif"'>“■
FDO Oracle trace showed two sets of queries for a single layer when there<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-family:"Arial","sans-serif"'>should
have been only one. Web browsers were sending a second render<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-family:"Arial","sans-serif"'>map
request because of PNG transparency issues with the map image.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-family:"Arial","sans-serif"'>Internet
Explorer 7, Firefox 2 and Firefox 3 now only send one request,<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-family:"Arial","sans-serif"'>improving
performance. Internet Explorer 6 and Safari 3 still send two<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-family:"Arial","sans-serif"'>requests
to render the map, because they do not properly support PNG<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>transparency.”<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>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.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>So it makes
map rendering twice slower as it should be.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>FF 2 sends
only one request from that machine.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>From couple
of other PCs, IE 7 is sending only one request.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Is this only
PNG transparency issue or there are some other issues?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Haris<o:p></o:p></span></p>
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