[bug #2491] (thuban) Shape layers over WMS layer fails

[Martin Schulze]

Request Tracker wrote:
> Silke and myself analysed the problem that shape layers (or other WMS layers)
> can't be rendered ontop a WMS layer.
> 
> An exception is thrown:
> Traceback (most recent call last):
>   File "Thuban/UI/view.py", line 206, in _do_redraw
>     if self.render_iter.next():
> ValueError: generator already executing
> 
> 
> We tracked the source of this exeption down to the 
> call of ThubanEndBusyCursor()
> in Extensions/wms/layer.py (WMSLayer.GetMapImg()).
> 
> Commenting out the BusyCursor-frame solves the problem as a workaround ...

See also

http://intevation.de/pipermail/thuban-devel/2004-April/000098.html

Regards,

	Joey

PS: Off to LinuxTag, see you there.

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