[OpenLayers-Users] Generated icons in a vector layer based on KML

[Slawomir Messner]

Hi again,
it seems that Chome has the same problem, all images have 0/0 
dimensions. But in Chrome dims are also 0/0 when you call the layer 
again and the images are already generated at the first call.

Am 19.04.2010 13:27, schrieb Slawomir Messner:
> Hi,
> I want to add a vector layer with a generated KML file with generated
> icons. Both are generated together and then the KML-file is sent to the
> client. Then when the kml-file is loaded as a layer OL tries to get the
> icon files form a ASP handler, they are not generated by the handler
> they are already existing at the time when OL requests them. The
> icon-files are generated only once on a second call the already existing
> files are sent to the client.
> So, now the problem: When I first call the layer no icons are visible on
> the second and the next tries the icons are visible.
> 1. I looked into firebug and all the icons are sent to the client.
> 2. Firebug tells me that the icons are there but the width and height
> are 0 when I change them the icon is visible.
> 3. I looked into the Format.KML and Renderer.SVG and they told me the
> width is 32x32 in the setStyle-function, I suppose it's the default
> value of OL my icons are smaller.
> 4. I saw in 3 you parse the w/h tags of icon in kml so I set them, but
> it doesn't help the w/h in firebug says it's both 0.
> 5. When I tried 3 and 4 I used some alerts and when I paste them into
> setStyle like this:
>                   //if(this.test<  10)
>                   //alert("1 : "+style.graphicWidth +" :
> "+style.graphicHeight);
>                   var width = style.graphicWidth || style.graphicHeight;
>                   var height = style.graphicHeight || style.graphicWidth;
>                   //if(this.test<  10)
>                   //alert("2 : "+width+" : "+height);
>                   width = width ? width : style.pointRadius*2;
>                   height = height ? height : style.pointRadius*2;
>                   //if(this.test<  10)
>                   //alert("3 : "+width+" : "+height);
>                   this.test++;
> a random number of icons appeared on the map.
> 6. I tried to delay the sending of the kml-file but no change.
> 7. I tried all if the icon-files are locked or something but it doesn't
> seem so and if you remember firebug says the files are ok.
> 8. I debugged the handler, but the files are ok and no hidden exception
> and the icons are not visible after a breakpoint, not like with the alert.
> So that's all from me, anyone an idea?
> Thanks
> Slawomir
>
>    


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Slawomir Messner
Forschungszentrum "Deutscher Sprachatlas"
06421-28-24981