Hey Björn, did you test on iOS 6 with the hosted mobile-wmts-vienna.html example, or with your own installation? If the latter, did you clear the cache first for the new css to apply? According to http://indiegamr.com/ios6-html-hardware-acceleration-changes-and-how-to-fix-them/, we are using the correct techniques to turn on GPU support on iOS 6.
Andreas. On Tue, Jan 8, 2013 at 1:23 PM, Björn Harrtell <bjorn.harrt...@gmail.com> wrote: > Initial tests on Desktop Chrome and built in browser on Android 4.0+ is > promising and does seem quite smooth, comparable to leaflet. > > Initial tests on iPad (iOS 6) unfortunately isn't as nice though, I'm > experiencing significantly worse performance with the experimental example > compared to the stable 2.12 version :( > > > 2013/1/8 Björn Harrtell <bjorn.harrt...@gmail.com> >> >> 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 >> >> > > > _______________________________________________ > Dev mailing list > d...@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/openlayers-dev > -- 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
