[OpenLayers-Users] Sort of Feature switcher

darrepac pascal.darre at laposte.net
Thu Oct 23 11:47:20 EDT 2008


Now it works!! crazy debugging session to find a stupid mistake.

Now I have to understand why my GML layer doesn't display under IE.....



darrepac wrote:
> 
> Arnd
> 
> I have a strange things:
> With your online example, everything works ok but with my local version I
> got "error" text every time I check one radio button...So I cannot select
> from the list, the feature I want (always got "error") but the rest works
> ok.
> 
> Any clue of where it could come from? I am with FF
> 
> 
> 
> 
> 
> Arnd Wippermann wrote:
>> 
>> Sorry,
>> 
>> I have not tested the page with IE. There was some console.log which only
>> understand by FF. Now I have updated the page. I had to clear the IE
>> cache
>> to get the page correct loaded.
>> 
>> The checkboxes should toggle between visibility of the features and the
>> radiobuttons are for selecting a feature.
>> 
>> Arnd Wippermann
>> 
>> -----Ursprüngliche Nachricht-----
>> Von: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org]
>> Im
>> Auftrag von darrepac
>> Gesendet: Freitag, 17. Oktober 2008 23:19
>> An: users at openlayers.org
>> Betreff: Re: [OpenLayers-Users] Sort of Feature switcher
>> 
>> 
>> Hi Arnd,
>> 
>> I am still playing with your example.
>> What I do not understand perfectly is the role of the checkbox beside the
>> feature name. It should be to toggle between visible and unvisible but it
>> works only if first I select on the map the feature. If not unchecking
>> many
>> elements is doing nothing...like if there was a missing call to redraw
>> feature.
>> Same if I succeed to make one feature invisible, I can't get it visible
>> again...
>> 
>> I think there is one detail missing which doesn't make it work, but I
>> like
>> the concept
>> 
>> thanks!
>> 
>> 
>> 
>> 
>> 
>> Arnd Wippermann wrote:
>>> 
>>> Hi Pascal,
>>> 
>>> Interesting problem. I have added some functionality to the last
>>> example.
>>> Perhaps it helps.
>>> 
>>> I use a stylemap with addUniqueValueRules for the gml layer with a 
>>> rule for attribute visibility.
>>> If the attribute visibility = "visible" the feature is visible.
>>> To change the visibility, I change the attribute of the feature to 
>>> "hidden"
>>> and redraw the feature.
>>> 
>>> I'm not sure, if it's the straight way, to change the visibility of 
>>> features.
>>> 
>>> http://gis.ibbeck.de/ginfo/apps/OLExamples/OL26/examples/select-featur
>>> e-with
>>> -function.html
>>> 
>>> Arnd Wippermann
>>> 
>>> 
>>> -----Ursprüngliche Nachricht-----
>>> Von: users-bounces at openlayers.org 
>>> [mailto:users-bounces at openlayers.org] Im Auftrag von darrepac
>>> Gesendet: Donnerstag, 16. Oktober 2008 20:48
>>> An: users at openlayers.org
>>> Betreff: [OpenLayers-Users] Sort of Feature switcher
>>> 
>>> 
>>> Hello,
>>> 
>>> Thanks to Arnd, I have implemented a GML layer with some polygons on 
>>> top of an other layer (now WMS). Some polygons are one over an other 
>>> and sometimes, it is simply not possible to select one polygon as it 
>>> is behind some others.
>>> For this reason and also to ease the User Experience, I would like to 
>>> have a sort of Feature Switcher:
>>> Like the current layer switcher but instead of just viewing/uviewing 
>>> the different layer, I would like also to view/unview each feature of 
>>> my GML file.
>>> So the user would be able to view only some specific polygon features.
>>> 
>>> Is there some way to do this?
>>> thanks
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Sort-of-Feature-switcher-tp20016172p20016172.htm
>>> l Sent from the OpenLayers Users mailing list archive at Nabble.com.
>>> 
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>>> 
>> 
>> --
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>> 
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>> 
> 
> 

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