We have actually used it in 2 applications to great success. Though we did have to get some help from the author to properly configure some of the parameters on a near polar projection system. There was no significant difference in performance between this and any other pre-rendered tile retrival layer. Matt Priour Kestrel Computer Consulting
Christopher Schmidt-4 wrote: > > On Fri, May 16, 2008 at 07:38:26AM -0700, Yeroc wrote: >> >> Hi... >> >> Did this patch make it into OpenLayers? I'm interested in this >> functionality and wonder if it's now a standard part of OpenLayers and if >> not, why not? I didn't see any followups to this initial email...? > > I never had a server I could test against, or anyone who confirmed it > worked other than stvn, and with only that reassurance, I wasn't > prepared to put it in trunk. > > It was in a sandbox of stvn's somewhere, I think, but I don't know > where. The FAQ might mention it. > > -- Chris > >> Thanks, >> Corey >> >> >> Steven M. Ottens-3 wrote: >> > >> > Hi all, >> > >> > With some help of Chris I've managed to access the tiles generated by >> > ArcGIS server 9.2. >> > There's a public accessible server at: >> > http://serverx.esri.com/antialiasingexamples/ >> > ArcGIS server stores its prerendered tiles in a directory structure >> > similar to TMS: >> > layername/zoomlevel/rownumber/columnnumber.filetype: >> > >> http://serverx.esri.com/arcgiscache/DG_County_roads_yesA_backgroundDark/Layers/_alllayers/L03/R0000147b/C0000138d.png >> > It also has an XML providing some extra data: >> > >> http://serverx.esri.com/arcgiscache/DG_County_roads_yesA_backgroundDark/Layers/conf.xml >> > >> > The row number and column number are stored in hexadecimal and are >> > calculated from the TileOrigin (upper left). >> > >> > attached is a zip with two files and one patch: >> > ags2.html goes into examples and provides an example with the data of >> > above mentioned site >> > AGS.js goes into lib/OpenLayers/Layer and provides the logic for the >> > tile-url calculation >> > openlayers.diff adds AGS.js to OpenLayers.js >> > >> > There's one major issue: you need specify the correct maxExtent to make >> > sure that no tiles are requested outside the realm of the cache. Also >> > this maxExtent should be a perfect fit for the tiles otherwise a weird >> > offset is shown when zooming in and out. (I haven't calculated the >> > proper extent yet, so one can see this erratic behavior). >> > >> > Regards, >> > Steven >> > >> > >> >> -- >> View this message in context: >> http://www.nabble.com/ArcGIS-server-9.2-support-for-OL-tp9691195p17276333.html >> Sent from the OpenLayers Dev mailing list archive at Nabble.com. >> >> _______________________________________________ >> Dev mailing list >> [email protected] >> http://openlayers.org/mailman/listinfo/dev > > -- > Christopher Schmidt > MetaCarta > _______________________________________________ > Dev mailing list > [email protected] > http://openlayers.org/mailman/listinfo/dev > > -- View this message in context: http://www.nabble.com/ArcGIS-server-9.2-support-for-OL-tp9691195p17278757.html Sent from the OpenLayers Dev mailing list archive at Nabble.com. _______________________________________________ Dev mailing list [email protected] http://openlayers.org/mailman/listinfo/dev
