[OpenLayers-Users] Quickly hiding and showing features
Nicholas Bergson-Shilcock
nicholasbs at openplans.org
Thu Apr 30 14:25:16 EDT 2009
Excerpts from Heidt, Christopher M.'s message of Wed Apr 29 13:00:48 -0400 2009:
> You can also play with the feature style.
> You can make a 'hidden' style that turns the opacity down to 0.
> Then your slider could change the render intent on certain features.
>
Thanks for the suggestions guys. I'm just adding and removing the features for now,
but I may experiment with breaking them on to separate layers and changing
their visibility later
> It really just depends on if your are trying to hide a bunch at once or a few
> at a time.
>
> -----Original Message-----
> From: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org] On Behalf Of Stefan Lischke
> Sent: Wednesday, April 29, 2009 12:51 PM
> To: 'Nicholas Bergson-Shilcock'; 'OpenLayers users mailing list'
> Subject: Re: [OpenLayers-Users] Quickly hiding and showing features
>
> Hi Nicholas,
>
> I had the same problem some minutes ago and i put my features on different layers and for every "slider step" i hide/show a corresponding layer. I did this whith calling layer.setVisibility()
>
> Hth
>
> Stefan
>
> -----Ursprüngliche Nachricht-----
> Von: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org] Im Auftrag von Nicholas Bergson-Shilcock
> Gesendet: Mittwoch, 29. April 2009 18:11
> An: OpenLayers users mailing list
> Betreff: [OpenLayers-Users] Quickly hiding and showing features
>
> I have a slider whose value I would like to link directly to what vector features appear on my map (i.e., as the user moves the slider, I would like certain features to appear/disappear).
>
> Is the best way to do this to simply call add/removeFeatures on the layer, or is there a way for me to only toggle their visibility?
>
> Thanks,
> -Nicholas
> _______________________________________________
> Users mailing list
> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users
>
> _______________________________________________
> Users mailing list
> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users
> _______________________________________________
> Users mailing list
> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users
More information about the Users
mailing list