You cannot. All I was saying was that the tileloaded event is also fired for tiles that come from the cache. Why would you want to know which tiles come from the browser cache?
Andreas. On Thu, Feb 16, 2012 at 4:15 PM, [email protected] <[email protected]> wrote: > Hi Adreas, how is possible capture this information? > > I use this code: > > > layer.events.register("tileloaded", layer, function() { > if (document.getElementsByClassName("olImageLoadError"). > length) { > error+=1; > } > }); > By this way i count the number of tiles that aren't loaded. How can capture > the tiles coming from the cache? > > Thanks in advance > > Francesco > > >>----Messaggio originale---- >>Da: [email protected] >>Data: 16/02/2012 16.08 >>A: "[email protected]"<[email protected]> >>Cc: <[email protected]>, <[email protected]> >>Ogg: Re: Re: Re: Re: [OpenLayers-Users] Capture Tile information >> >>No, this is not possible. But the tileloaded event will also fire when >>the image comes from the cache. >> >>Andreas. >> >>On Thu, Feb 16, 2012 at 2:56 PM, [email protected] >><[email protected]> wrote: >>> Good solution.. the last question is: >>> i can capture if an error is occurs during the tile loading > (olImageLoadError) >>> , but is possible to check if the tile is already present in my cache (304 >>> response from server)? >>> Thanks again .. >>> >>> Francesco >>> >>>>----Messaggio originale---- >>>>Da: [email protected] >>>>Data: 16/02/2012 14.48 >>>>A: "[email protected]"<[email protected]> >>>>Cc: <[email protected]>, <[email protected]> >>>>Ogg: Re: Re: Re: [OpenLayers-Users] Capture Tile information >>>> >>>>So if you had an OSM layer. >>>> >>>>Register an event on tileloaded on it >>>> OSMM.events.register("tileloaded", function (e) { >>>> var myVar= e; >>>>} >>>> >>>>and then somewhere in "myVar" you need to check if "olImageLoadError" >>>>is present. One area could be myVar.element.childNodes[0].innerHTML >>>> >>>>for me that is: >>>>"<img id="OpenLayersDiv77" style="position: relative; width: 256px; >>>>height: 256px; " class="olTileImage olImageLoadError" src=....>" >>>> >>>>You can do a text comparison to find if olImageLoadError is in there >>>>and report something back accordingly. >>>> >>>>I have not ever implemented this nor do I think it is a particularly >>>>good solution, but it should do what you are after. >>>> >>>>Toby >>>> >>>> >>>> >>>>On 16 February 2012 13:08, [email protected] >>>><[email protected]> wrote: >>>>> Hi, can you tell me how look at the css class? can you explain it more >>> clear? >>>>> Can you write a simple example ? >>>>> Thanks in advance... >>>>> >>>>> Francesco >>>>> >>>>>>----Messaggio originale---- >>>>>>Da: [email protected] >>>>>>Data: 16/02/2012 14.02 >>>>>>A: "[email protected]"<[email protected]> >>>>>>Cc: <[email protected]>, <[email protected]> >>>>>>Ogg: Re: Re: [OpenLayers-Users] Capture Tile information >>>>>> >>>>>>No I understand what you are trying to do, but you can, >>>>>>programatically, look at the css class of every tile that comes in >>>>>>apparently. >>>>>> >>>>>>On 16 February 2012 12:53, [email protected] >>>>>><[email protected]> wrote: >>>>>>> ye..with firebug i can see all requests .. but i'd like to capture the >>>>> response >>>>>>> from the server if i'm using the tile from my cache or from server > (fresh >>>>> tile). >>>>>>> I don't know if is possible but it will be very interesting.Maybe we > have >>>>> to >>>>>>> work into openlayers code. Thanks >>>>>>> >>>>>>> Francesco >>>>>>> >>>>>>>>----Messaggio originale---- >>>>>>>>Da: [email protected] >>>>>>>>Data: 16/02/2012 13.38 >>>>>>>>A: <[email protected]> >>>>>>>>Ogg: Re: [OpenLayers-Users] Capture Tile information >>>>>>>> >>>>>>>>Hi Imran, >>>>>>>> >>>>>>>>> You can see your http request using FireBug, if you are using > FireFox. >>>>>>>> >>>>>>>>Yes, but I thought a check during runtime from JavaScript. So that >>>>>>>>instead of displaying pink tiles, I would write a message about the >>>>>>>>problem with X layer. >>>>>>>> >>>>>>>>best regards: Balázs >>>>>>>>_______________________________________________ >>>>>>>>Users mailing list >>>>>>>>[email protected] >>>>>>>>http://lists.osgeo.org/mailman/listinfo/openlayers-users >>>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Users mailing list >>>>>>> [email protected] >>>>>>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >>>>>> >>>>> >>>>> >>>> >>> >>> >>> _______________________________________________ >>> Users mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >> >> >> >>-- >>Andreas Hocevar >>OpenGeo - http://opengeo.org/ >>Expert service straight from the developers. >> > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/openlayers-users -- Andreas Hocevar OpenGeo - http://opengeo.org/ Expert service straight from the developers. _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users
