[OpenLayers-Users] ol2.13 and old ticket 3621 calculateResolutions

[Bart van den Eijnden]

Also Steve, what version of OpenLayers do you run now where you don't have this issue?

Best regards,
Bart

-- 
Bart van den Eijnden
OpenGeo - http://opengeo.org
Expert service straight from the developers.



On Jun 10, 2013, at 7:35 PM, Steve.Toutant at inspq.qc.ca wrote:

> 
> This problem is happening since we have more than 450 wms layers. It is difficult to create a test case since we are using a complex application built with extjs/geoext and OL. We are using a geoext layertree, not a layer switcher. 
> The crash happens in openlayers/Layer.js 
> 
> What would be a good test case? Should I create just an OL map with 450 layers in the layerswitcher? 
> thanks 
> steve
> 
> 
> 
> Bart van den Eijnden <bartvde at opengeo.org>
> 2013-06-10 02:42
> 
> A
> Steve.Toutant at inspq.qc.ca
> cc
> openlayers-users at lists.osgeo.org
> Objet
> Re: [OpenLayers-Users] ol2.13 and old ticket 3621 calculateResolutions
> 
> 
> 
> 
> 
> 
> 
> Steve, 
> 
> can you show us an example to reproduce this? 
> 
> Best regards, 
> Bart 
> 
> -- 
> Bart van den Eijnden
> OpenGeo - http://opengeo.org
> Expert service straight from the developers. 
> 
> 
> 
> On Jun 7, 2013, at 9:45 PM, Steve.Toutant at inspq.qc.ca wrote: 
> 
> 
> Hi, 
> We have a problem with OL2.13 in Google Chrome only. 
> Here is the error message: Uncaught RangeError: Invalid array length 
> Layer.js line 1050 
> 
> It seems to be related to this issue http://trac.osgeo.org/openlayers/ticket/3621 
> 
> it fails because numZoomLevels is NaN 
> But this code at line 1042 should manage that.... 
> 
> // are we able to calculate resolutions? 
>        if(typeof numZoomLevels !== "number" || numZoomLevels <= 0 ||   (typeof maxResolution !== "number" &&     typeof minResolution !== "number")) { 
>            return; 
>        } 
> 
> 
> I fix it adding isNaN(numZoomLevels) 
> // are we able to calculate resolutions? 
>        if(isNaN(numZoomLevels) || typeof numZoomLevels !== "number" || numZoomLevels <= 0 || 
>           (typeof maxResolution !== "number" && 
>                typeof minResolution !== "number")) { 
>            return; 
>        } 
> 
> I went on github but could not find the issue. 
> So I submit here 
> Steve_______________________________________________
> Users mailing list
> Users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/openlayers-users 
> 
> 
> 
> 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/openlayers-users/attachments/20130610/563d6270/attachment.html>