[OpenLayers-Users] New WFS layer will draw until map is zoomto[problem trace to inacitve BBox object]

[Dave Potts]

On 27/12/11 13:13, Dave Potts wrote:
Problem discovered, my BBox stratgy was shared between two different
layers, with the result that its internal state got corrupted.
> On 26/12/11 20:00, Dave Potts wrote:
> After a lot off digging around in the source code, it seem my refresh
> attempt generates a moveend event.
>
> Which is then ignore by my BBOx stratgy, because the BBoxstratgy is not
> active, therefore it has not installed a callback handler
>
> Setting the BBoxstratgy to active results in an error 'this.layer' is
> null :-(
>
> So different question
>
> How do I ensure that the BBox stratgy is always in an active state?
>
>> HI List
>>
>> A slight problem with the WFS layer functions
>>
>> I am trying to add a new WFS layer to my map when I hit a gwt  button, I
>> am using openlayers via the gwt plugin in.
>>
>> I add a single wfs layer, when my button selected I make another request
>> to load a wfs layer.
>>
>> I get the callbacks to say that layer has been loaded, but nothing is
>> displayed on the screen. If I zoom in, a update event occurs, and the
>> missing layer is drawn.
>>
>> Q. When I load a 2nd WFS layer shown it be drawn then the endloading
>> callback is fired ?
>> Q. What is the offical way of refreshing a screen after a layer has been
>> loaded?
>>
>> So far I have attempt to refresh the screen by
>>
>> 1. Calling the redraw call on the new layer.
>> 2. Zooming to the maxevents of the new layer.
>> 3. Using a refresh stratgy
>> 4. Zoom to the current maginfcation.
>> None of this attempts worked.
>>
>> The only proven way of doing it seems to be zoom in one increment. 
>>
>> Dave
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