Hi Alexandre (second time), I've had it in front and did not see it, the "onLoad" is the PROBLEM!
I think I can prepare a Canvas.js patch... Xavier Xavier Mamano (jorix) wrote > Hi Alexandre, > >> but it would still be nice to nail the cause of the issue. > > See: http://jsfiddle.net/jorix/X77cw/ > (after returning from a week in the mountains offline... I extracted the > code from Canvas.js to set an example of the problem without using > OpenLayers) > > Try "d1" or "d2", so operates properly. > But "d1 & d2" not!, the result should be as "d2" (not as d1+d2) :( > > Regards, > > Xavier > Alexandre Dubé wrote >> Xavier, >> >> You're right. Thanks for sharing your solutions. I think using your >> workaround (locking the renderer on unselectAll) combined with a >> tolerance of 0 could do the trick for me, but it would still be nice to >> nail the cause of the issue. >> >> I'll update my example. >> >> Thanks again, >> >> Alexandre >> >> >> On 13-08-09 04:46 PM, Xavier Mamano (jorix) wrote: >>> Hi >>> >>> But the problem remains when the clickout has a little drag before (less >>> than 4 pixels --see clickTolerance on OpenLayers.Handler.Feature--) >>> >>> Try select the features, and unselect by: mousedown + mousemove (less >>> than 4 >>> pixels) + mouseup. Oops! >>> >>> Seems that "this.canvas.clearRect (0, 0, width, height);" on >>> Canvas.redraw >>> does not act a second time while the js code is still running. >>> >>> Xavier >>> >>> >>> Xavier Mamano (jorix) wrote >>>> Hi, >>>> >>>> >>>> I tried your workaround... >>>> >>>> It works on Chrome but not on FF. >>>> >>>> And tried this: >>>> select.unselectAll = function(options) { >>>> vectors.renderer.locked = true; >>>> >>>> OpenLayers.Control.SelectFeature.prototype.unselectAll.apply( >>>> this, arguments); >>>> vectors.renderer.locked = false; >>>> vectors.moveTo(null, true, false); // to force a >>>> vectors.redraw(); >>>> }; >>>> >>>> It works on FF & Chrome. >>>> >>>> Xavier >>>> Alexandre Dubé wrote >>>>> Hi, >>>>> >>>>> Here's a pretty dirty workaround: >>>>> http://dev5.mapgears.com/openlayers/2.12-canvas-issue/examples/canvas-issue-workaround.html?renderer=Canvas >>>>> >>>>> In summary, I redraw the layer after features were unselected. >>>>> >>>>> I'm still not sure what's the cause of the issue, but I noticed >>>>> that >>>>> when calling the unselectAll method of the select control, each >>>>> feature >>>>> are drawn (using layer.drawFeature method) separately, resulting in >>>>> redrawing the layer X times for each feature that were unselected. >>>>> Maybe if the renderer was locked while unselecting all these it could >>>>> do >>>>> the trick. >>>>> >>>>> Please, let me know if this should deserve an Issue opened. >>>>> >>>>> Alexandre >>>>> >>>>> >>>>> On 13-08-07 01:14 PM, Alexandre Dubé wrote: >>>>>> Thanks to everyone who tried the example. I'll try to can come up >>>>>> with a fix or a workaround asap. >>>>>> >>>>>> Alexandre >>>>>> >>>>>> >>>>>> On 13-08-07 11:02 AM, Xavier Mamano (jorix) wrote: >>>>>>> Hi, >>>>>>> >>>>>>> I can confirm seeing this using Windows Vista on Chrome, FF, IE9 and >>>>>>> Opera >>>>>>> and olso usign Ubuntu on Chome and FF. >>>>>>> >>>>>>> (using your canvas-issue.html) >>>>>>> >>>>>>> Xavier Mamano >>>>>>> >>>>>>> >>>>>>> Alexandre Dubé wrote >>>>>>>> Hi, >>>>>>>> >>>>>>>> I have an issue when I use Canvas as vector renderer in >>>>>>>> addition >>>>>>>> to >>>>>>>> having externalGraphic properties. I noticed the issue using >>>>>>>> OpenLayers >>>>>>>> 2.12, 2.13 and 2.13.1, with the 3 browsers I tested: Chrome, >>>>>>>> Firefox >>>>>>>> and >>>>>>>> IE9. >>>>>>>> >>>>>>>> I made a small demo to show the issue 'live': >>>>>>>> http://dev5.mapgears.com/openlayers/2.12-canvas-issue/examples/canvas-issue.html?renderer=Canvas >>>>>>>> >>>>>>>> >>>>>>>> Before trying to look deeper at the code to see what's going >>>>>>>> on >>>>>>>> wrong, I wonder if anyone already hit this same issue and came up >>>>>>>> with a >>>>>>>> fix / solution / workaround. >>>>>>>> >>>>>>>> Many thanks, >>>>>>>> >>>>>>>> Alexandre >>>>>>>> >>>>>>>> P.S. The example's html file can be downloaded and added to any >>>>>>>> local >>>>>>>> examples folder in order to test it locally with different versions >>>>>>>> of >>>>>>>> OpenLayers, i.e. the images and externalGraphic links are absolute, >>>>>>>> not >>>>>>>> relative. >>>>>>>> >>>>>>>> -- >>>>>>>> Alexandre Dubé >>>>>>>> Mapgears >>>>>>>> www.mapgears.com >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Users mailing list >>>>>>>> [email protected] >>>>>>>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> View this message in context: >>>>>>> http://osgeo-org.1560.x6.nabble.com/Canvas-issue-when-using-externalGraphic-tp5071099p5071319.html >>>>>>> Sent from the OpenLayers Users mailing list archive at Nabble.com. >>>>>>> _______________________________________________ >>>>>>> Users mailing list >>>>>>> >>>>> [email protected] >>>>>>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >>>>>> >>>>> >>>>> -- >>>>> Alexandre Dubé >>>>> Mapgears >>>>> www.mapgears.com >>>>> >>>>> _______________________________________________ >>>>> Users mailing list >>>>> [email protected] >>>>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >>> >>> >>> >>> >>> -- >>> View this message in context: >>> http://osgeo-org.1560.x6.nabble.com/Canvas-issue-when-using-externalGraphic-tp5071099p5071801.html >>> Sent from the OpenLayers Users mailing list archive at Nabble.com. >>> _______________________________________________ >>> Users mailing list >>> >> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >> >> >> -- >> Alexandre Dubé >> Mapgears >> www.mapgears.com >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/openlayers-users -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Canvas-issue-when-using-externalGraphic-tp5071099p5073053.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users
