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. _______________________________________________ Dev mailing list d...@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/openlayers-dev
