[mapguide-users] render service

Maciej Skorczewski maciej.skorczewski at procad.pl
Thu Mar 8 02:22:07 EST 2007


hi Andy!

I try yours solution but in TileCache (after delete it before) MGOS 
still generate PNG files.

maciek

Andy Morsell napisał(a):
> You can greatly improve the speed of a site by having MapGuide server
> generate JPG maps rather than PNG.  Unfortunately, this must be done on a
> server global basis and JPG does not look nearly as nice as PNG.  This has a
> particularly favorable affect when using imagery layers in your map.  In my
> non-scientific tests, I saw individual map requests go from 1 MB PNG's to 75
> KB JPG's.  
> 
> There are cases where you simply cannot make this setting (since it's
> global) particularly if you are using base layer tiles in your maps since
> the JPG images are not transparent and will cover your PNG tiles.  There is
> an RFC in the works that will allow the configuration of base layer tiles to
> be output as JPG images.  The map overlays would remain transparent PNG's
> but this should yield good performances since the PNG's are only rendered
> with your vector information.
> 
> To try this, edit the RequestMapImage() function of the ajaxmappane.templ
> file and change the FORMAT parameter to JPG instead of PNG 
> 
> 
> Andy Morsell, P.E.
> Spatial Integrators, Inc.
> http://www.SpatialGIS.com
> 
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of alucas
> Sent: Wednesday, March 07, 2007 3:39 AM
> To: mapguide-users at lists.osgeo.org
> Subject: [mapguide-users] render service
> 
> 
> Hello,
> 
> I'm testing mapguide server performance with sql server 2005 through FDO.
> One of the tasks that get more time to do is to render the png image. So, I
> think this task would be better enabling apache compression for png images.
> 
> What do you think about?
> 
> --
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> 
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