Don't forget to also use the experimental CSS theme for OpenLayers since it adds stuff needed for GPU acceleration (afaik):
https://github.com/ahocevar/openlayers/blob/mobile-wmts-vienna/theme/default/style.css https://github.com/ahocevar/openlayers/blob/mobile-wmts-vienna/theme/default/style.mobile.css 2012/12/21 Andreas Hocevar <ahoce...@opengeo.org> > For those of you who want to test, the live example site also provides > all examples that OpenLayers ships with, and you can test > http://ahocevar.github.com/openlayers/mobile-wmts-vienna/lib/OpenLayers.js > with your own applications. Note that the TileManager is not enabled > by default. To add it, configure your map with the following option: > > tileManager: new OpenLayers.TileManager() > > The whole source code is available at > http://github.com/ahocevar/openlayers/tree/mobile-wmts-vienna. > > Andreas. > > On Fri, Dec 21, 2012 at 12:46 PM, Andreas Hocevar <ahoce...@opengeo.org> > wrote: > > I added another pull request that is used in my mobile-wmts-vienna > > branch and in the live exymple now: > > > > https://github.com/openlayers/openlayers/pull/810 > > Use transitionend listeners where available. Should be easy to review. > > > > Andreas. > > > > On Wed, Dec 19, 2012 at 9:41 AM, Andreas Hocevar <ahoce...@opengeo.org> > wrote: > >> Hey fellow developers, > >> > >> I don't know if you saw the enthusiastic tweets (e.g. > >> https://twitter.com/19_norte/status/281134258725199875), but > >> > http://ahocevar.github.com/openlayers/mobile-wmts-vienna/examples/mobile-wmts-vienna.html > >> shows the improvements in tile rendering we can get with four pull > >> requests. All these pull requests have been thoroughly tested, and are > >> the result of client work at OpenGeo. To bring these improvements into > >> master, I am asking for reviews: > >> > >> http://github.com/openlayers/openlayers/pull/702 > >> New tile image cache and tile queue improvements. This pull request > >> gets rid of the current tile queue, which I know many people were > >> unhappy with. It adds a new TileManager class, which delays tile > >> loading for panning (replacement for previous tileLoadingDelay in > >> Layer.Grid) and zooming to avoid unnecessary tile image requests. It > >> also keeps references to image elements, so they can be reused when > >> the user pans or zooms back to regions or zoom levels that were > >> already visited. > >> > >> http://github.com/openlayers/openlayers/pull/800 > >> Use translate3d to enable GPU support where available. This introduces > >> an applyTransform method on the map, which will use an appropriate > >> positioning method for the layerContainerDiv. Without any transform3d > >> styles on the layerContainerDiv, style.left and style.top will be used > >> just like we currently do, and scale transforms will be used for > >> scaling. But with a translate3d style on the layerContainerDiv, all > >> positioning is made with translate3d, and scaling is done with > >> scale3d. By doing so, the GPU kicks in and brings greatly improved > >> dragging and pinch-zooming performance. > >> > >> http://github.com/openlayers/openlayers/pull/503 > >> Animated zooming. This depends on #800, and I will rebase it when #800 > >> is in. For now, it is best to look at the three commits mentioned in > >> https://github.com/openlayers/openlayers/pull/503#issuecomment-11495176 > . > >> This change includes some improvements to the MouseWheel handler, and > >> better mousewheel defaults for the Navigation control, to allow for > >> usable and predictable wheel zooming on touch pads. > >> > >> http://github.com/openlayers/openlayers/pull/803 > >> Tween: skip frames when minimum frame rate is not reached. We use > >> requestAnimationFrame for tween already, but we have no control over > >> the frame rate. This change introduces a new minFrameRate option. When > >> set, frames will be skipped if the animation gets too slow. The effect > >> of this can best be seen when zooming with #503 applied in Firefox: > >> instead of the 20 frames (which work fine in Chrome), about half of > >> the frames will be skipped because Firefox can not scale the > >> layerContainer fast enough. The visual effect of animated zooming > >> still works fine, and users do not have to wait too long for the zoom > >> to finish. > >> > >> Thanks for any reviews! With these changes in, the visual appearance > >> and performance of OpenLayers will be on par with Leaflet. > >> Andreas. > >> > >> -- > >> Andreas Hocevar > >> OpenGeo - http://opengeo.org/ > >> Expert service straight from the developers. > > > > > > > > -- > > Andreas Hocevar > > OpenGeo - http://opengeo.org/ > > Expert service straight from the developers. > > > > -- > Andreas Hocevar > OpenGeo - http://opengeo.org/ > Expert service straight from the developers. > _______________________________________________ > Dev mailing list > d...@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/openlayers-dev >
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