[OpenLayers-Users] Updating Text Layer - flickering markers

[Andreas Hocevar]

Ran Manor wrote:
> Sorry, but I got the same flicker with the bbox strategy.
> 
> As far as I can see, the flicker comes from the merge function where the 
> features are being destroyed and re-created.

Sorry Ran for all these wrong directions. I could have sworn that the 
BBOX strategy was recommended before to solve this issue, but looking at 
the merge function reveils that you are absolutely right.

> Maybe I should subclass a new strategy that first checks for changes in 
> the features before destroying them.

In the simplest case, it would probably be enough to draw all new 
features, and then ditch all the old ones. If you want to create a patch 
for the BBOX and Fixed strategies' merge function, I'll be glad to 
review that.

If it turns out that this simple approach does not solve your issue, you 
may want to create a new reload strategy indeed, which could even be 
configured with the interval that you want to reload your features.

Regards,
Andreas.

-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.