R: Re: Re: Re: [OpenLayers-Users] Capture Tile information

[francescoboccacci at libero.it]

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: ramotswa at gmail.com
>Data: 16/02/2012 14.48
>A: "francescoboccacci at libero.it"<francescoboccacci at libero.it>
>Cc: <bamerbalazs at gmail.com>, <openlayers-users at lists.osgeo.org>
>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, francescoboccacci at libero.it
><francescoboccacci at libero.it> 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: ramotswa at gmail.com
>>>Data: 16/02/2012 14.02
>>>A: "francescoboccacci at libero.it"<francescoboccacci at libero.it>
>>>Cc: <bamerbalazs at gmail.com>, <openlayers-users at lists.osgeo.org>
>>>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, francescoboccacci at libero.it
>>><francescoboccacci at libero.it> 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: bamerbalazs at gmail.com
>>>>>Data: 16/02/2012 13.38
>>>>>A: <openlayers-users at lists.osgeo.org>
>>>>>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
>>>>>Users at lists.osgeo.org
>>>>>http://lists.osgeo.org/mailman/listinfo/openlayers-users
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.osgeo.org
>>>> http://lists.osgeo.org/mailman/listinfo/openlayers-users
>>>
>>
>>
>