[ka-Map-users] PNG transparency not supported in internet explorer
taatuut at planet.nl
Thu Aug 4 02:26:22 EDT 2005
PNG transparency not supported in internet explorerHello Jacob,
At the moment IE 5.5+ does not properly support PNG transparancy (IE7 beta
does, see http://blogs.msdn.com/ie/archive/2005/07/29/445242.aspx)
However, there are some hacks to provide PNG transparancy for 24/32 bit
PNG's in IE 5.5+, some are listed at
A good one is the hack at webfx
Of course do not forget to question yourself if using hacks for this is what
you want. On the other hand if you want to support PNG transparancy for IE
this is a nice solution.
From: ka-map-users-bounces at lists.maptools.org
[mailto:ka-map-users-bounces at lists.maptools.org]On Behalf Of Delfos, Jacob
Sent: donderdag 4 augustus 2005 4:32
To: ka-map-users at lists.maptools.org
Subject: [ka-Map-users] PNG transparency not supported in internet
Just figured out why Internet Explorer keeps coming up with a blank map,
but not sure how to fix it. It would appear that Internet Explorer does not
support the PNG transparency that mapserver outputs. So my transparent
vector layers come out perfectly white where there's no data. Firefox does
support it, though. In the screenshot you can see a normal tile and a
transparent tile next to one another. The tile comes out transparent in
firefox, but not in internet explorer. Has anyone else had this? And....
anything I can do about it?
Not sure of this is in Bugzilla. Seems bugzilla for Ka-Map is down......
SPATIAL INFORMATION ANALYST
Maunsell Australia Pty Ltd
629 Newcastle Street, Leederville, WA 6007
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jacob.delfos at maunsell.com
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