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Mapguide Tile Cache Seeder Tool
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Mapguide Tile Cache Seeder Tool
by zspitzer
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I just added a code sample to the mapguide wiki which can be used to
seed the tile cache for a tiled map. It's purely client side javascript which makes it very simple to setup http://zacster.blogspot.com/2008/07/mapguide-tile-cache-seeder.html http://trac.osgeo.org/mapguide/wiki/CodeSamples/Tiles/TileCacheSeeding -- Zac Spitzer - http://zacster.blogspot.com (My Blog) +61 405 847 168 _______________________________________________ mapguide-users mailing list mapguide-users@... http://lists.osgeo.org/mailman/listinfo/mapguide-users |
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RE: Mapguide Tile Cache Seeder Tool
by Maksim Sestic
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Hi Zac,
Related to tile seeding, I went down three different roads until I hit the wall of MG server locking up or crashing for reasons unknown (see setup params below): 1) Your approach, purely client-side based 2) Server service, calling MG tiling service via HTTP 3) Server service, calling MG tiling service managed wrappers "directly" Testing platform(s): 1) Windows Server 2003 / IIS7 2) MGOS 1.2.0 / 2.0.0 / 2.0.1, also MGE 2008 / 2009 3) ECW raster imagery, lots of it 4) Base layer with several predefined zoom scales MG locks up/crashes on smaller scales (meaning more tiles). I suspect that the lockup is caused by the underlying FDO, after some 30.000 or more perpetual queries. The issue has been already addressed (forum, tickets) many times. Regards, Maksim Sestic -----Original Message----- From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Zac Spitzer Sent: Saturday, July 19, 2008 05:47 To: MapGuide Users Mail List Subject: [mapguide-users] Mapguide Tile Cache Seeder Tool I just added a code sample to the mapguide wiki which can be used to seed the tile cache for a tiled map. It's purely client side javascript which makes it very simple to setup http://zacster.blogspot.com/2008/07/mapguide-tile-cache-seeder.html http://trac.osgeo.org/mapguide/wiki/CodeSamples/Tiles/TileCacheSeeding -- Zac Spitzer - http://zacster.blogspot.com (My Blog) +61 405 847 168 _______________________________________________ mapguide-users mailing list mapguide-users@... http://lists.osgeo.org/mailman/listinfo/mapguide-users __________ NOD32 3281 (20080718) Information __________ This message was checked by NOD32 antivirus system. http://www.eset.com _______________________________________________ mapguide-users mailing list mapguide-users@... http://lists.osgeo.org/mailman/listinfo/mapguide-users |
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Re: Mapguide Tile Cache Seeder Tool
by zspitzer
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I also see the same problems on both linux and windows, seeding
requires a lot of restarts That was in fact why I got motivated to get the apache based serving working for tiles It is much better on linux because the process does exit, where on windows it get very stuck and I need to use zerowave to kill the service On Sat, Jul 19, 2008 at 7:46 PM, Maksim Sestic <max@...> wrote: > Hi Zac, > > Related to tile seeding, I went down three different roads until I hit the > wall of MG server locking up or crashing for reasons unknown (see setup > params below): > > 1) Your approach, purely client-side based > 2) Server service, calling MG tiling service via HTTP > 3) Server service, calling MG tiling service managed wrappers "directly" > > Testing platform(s): > > 1) Windows Server 2003 / IIS7 > 2) MGOS 1.2.0 / 2.0.0 / 2.0.1, also MGE 2008 / 2009 > 3) ECW raster imagery, lots of it > 4) Base layer with several predefined zoom scales > > MG locks up/crashes on smaller scales (meaning more tiles). I suspect that > the lockup is caused by the underlying FDO, after some 30.000 or more > perpetual queries. The issue has been already addressed (forum, tickets) > many times. > > > Regards, > Maksim Sestic > > > -----Original Message----- > From: mapguide-users-bounces@... > [mailto:mapguide-users-bounces@...] On Behalf Of Zac Spitzer > Sent: Saturday, July 19, 2008 05:47 > To: MapGuide Users Mail List > Subject: [mapguide-users] Mapguide Tile Cache Seeder Tool > > I just added a code sample to the mapguide wiki which can be used to seed > the tile cache for a tiled map. > > It's purely client side javascript which makes it very simple to setup > > http://zacster.blogspot.com/2008/07/mapguide-tile-cache-seeder.html > > http://trac.osgeo.org/mapguide/wiki/CodeSamples/Tiles/TileCacheSeeding > > -- > Zac Spitzer - > http://zacster.blogspot.com (My Blog) > +61 405 847 168 > _______________________________________________ > mapguide-users mailing list > mapguide-users@... > http://lists.osgeo.org/mailman/listinfo/mapguide-users > > __________ NOD32 3281 (20080718) Information __________ > > This message was checked by NOD32 antivirus system. > http://www.eset.com > > > _______________________________________________ > mapguide-users mailing list > mapguide-users@... > http://lists.osgeo.org/mailman/listinfo/mapguide-users > -- Zac Spitzer - http://zacster.blogspot.com (My Blog) +61 405 847 168 _______________________________________________ mapguide-users mailing list mapguide-users@... http://lists.osgeo.org/mailman/listinfo/mapguide-users |
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Re: Mapguide Tile Cache Seeder Tool
by gmclean@gorge.net
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I ran into this problem as well on XP SP2 with MG 1.2
I ended up writing a php script to build tiles. I pass in start and end columns and rows and a zoom level as arguments. I then called the script from a batch file, stopping and re-starting MG before I called the script. It is a hack but it got me through building some pretty big tile sets. George McLean Zac Spitzer wrote: > I also see the same problems on both linux and windows, seeding > requires a lot of restarts > > That was in fact why I got motivated to get the apache based serving > working for tiles > > It is much better on linux because the process does exit, where on > windows it get very stuck > and I need to use zerowave to kill the service > > > On Sat, Jul 19, 2008 at 7:46 PM, Maksim Sestic <max@...> wrote: > >> Hi Zac, >> >> Related to tile seeding, I went down three different roads until I hit the >> wall of MG server locking up or crashing for reasons unknown (see setup >> params below): >> >> 1) Your approach, purely client-side based >> 2) Server service, calling MG tiling service via HTTP >> 3) Server service, calling MG tiling service managed wrappers "directly" >> >> Testing platform(s): >> >> 1) Windows Server 2003 / IIS7 >> 2) MGOS 1.2.0 / 2.0.0 / 2.0.1, also MGE 2008 / 2009 >> 3) ECW raster imagery, lots of it >> 4) Base layer with several predefined zoom scales >> >> MG locks up/crashes on smaller scales (meaning more tiles). I suspect that >> the lockup is caused by the underlying FDO, after some 30.000 or more >> perpetual queries. The issue has been already addressed (forum, tickets) >> many times. >> >> >> Regards, >> Maksim Sestic >> >> >> -----Original Message----- >> From: mapguide-users-bounces@... >> [mailto:mapguide-users-bounces@...] On Behalf Of Zac Spitzer >> Sent: Saturday, July 19, 2008 05:47 >> To: MapGuide Users Mail List >> Subject: [mapguide-users] Mapguide Tile Cache Seeder Tool >> >> I just added a code sample to the mapguide wiki which can be used to seed >> the tile cache for a tiled map. >> >> It's purely client side javascript which makes it very simple to setup >> >> http://zacster.blogspot.com/2008/07/mapguide-tile-cache-seeder.html >> >> http://trac.osgeo.org/mapguide/wiki/CodeSamples/Tiles/TileCacheSeeding >> >> -- >> Zac Spitzer - >> http://zacster.blogspot.com (My Blog) >> +61 405 847 168 >> _______________________________________________ >> mapguide-users mailing list >> mapguide-users@... >> http://lists.osgeo.org/mailman/listinfo/mapguide-users >> >> __________ NOD32 3281 (20080718) Information __________ >> >> This message was checked by NOD32 antivirus system. >> http://www.eset.com >> >> >> _______________________________________________ >> mapguide-users mailing list >> mapguide-users@... >> http://lists.osgeo.org/mailman/listinfo/mapguide-users >> >> > > > > _______________________________________________ mapguide-users mailing list mapguide-users@... http://lists.osgeo.org/mailman/listinfo/mapguide-users |
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