On Monday, May 9, 2011, lapinos03 <lapino...@free.fr> wrote: > Hi there ! > > This is not a Sencha conflict because I experience the same problem with my > website (desktop version) shown on the iPad 1 and I don't use Sencha at all > (only jquery). At very rare occasion, I had this phenomenum on Firefox 3.6 > as well and on somebody else's website. We both used OL 2.10. I'm glad that > it happens with the official Sencha example because I thought first I may > have done some wrong programming with OL. > > I have already spent a lot of time trying to fix this. Unsuccessfully so > far. For me it's a critical bug. I'd like to develop a webapp instead of a > native app, using OL and reuse almost all what i've done for the desktop > version. Also I'd like to use the Sencha framework. > > This bug is reproductible on the iOS Simulator (choose iOS 3.2 in the > settings of Dashcode to simulate the iPad). > > What happens exactly? > First click on the layer button, bottom right of the screen (or the Search > box, bottom-left button). A panel pops up, with a black translucent > background. At that time, you can notice that the map is redrawing. After > that (and only after that), during a dragging process, every time a new tile > is loaded and displayed, the map seems to jump back for a quick time to the > starting point of the dragging. I have also noticed that sometimes, tiles on > the right border are stretched as if the first column of pixels is repeated > along the horizontal axis. Moreover, since version 2.11 (from the trunk), > the map shakes around the current position while being dragged. Also noticed > on iOS Simulator (choose iOS 4.3 in Dashcode - simulates iPhone 4), the map > flickers after all tiles seem to be loaded (not always, rather after a > zoom-in). > > I ported the mobile-sencha.html example to Dashcode in order debug step by > step in the iOS environment. I put a lot of breakpoints in Layer.js, > Grid.js, Image.js, etc… So far, nothing found. When you put a transparent > <div> on top of the map, does the map receive an event? Which one? Which > handler? > > Digging into OL and trying to understand how the whole stuff works is quite > difficult to me. So if somebody is willing to help and guide me through the > debugging process, I am ready to spend more time.
Creating a minimal example without Sencha Touch involved would help a lot. -- Eric Lemoine Camptocamp France SAS Savoie Technolac, BP 352 73377 Le Bourget du Lac, Cedex Tel : 00 33 4 79 44 44 96 Mail : eric.lemo...@camptocamp.com http://www.camptocamp.com _______________________________________________ Dev mailing list d...@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/openlayers-dev