[OpenLayers-Users] WFS vs. Vector

[2StepForward]

2StepForward wrote:
> 
> Hi List,
> 
> I have a beginners question to you.
> My problem is to understand how to work vector layers, especially how to
> work vector features.
> 
> What is base I have work:
> 
> - I have some features (point geometry) into a PostGIS-database.
> - At the moment I use a WFS layer with a subclassed featureClass to
> include custom icons.
>   This subclassed featureClass use a Marker-object to reference the icon.
> 
> Like this:
> 
> var wfs = new OpenLayers.Layer.WFS( "EM", "http://server/geoserver/wfs?",
> { typename: 'WFS:em'},
> 		{
> 		  featureClass: OpenLayers.Feature.Pic,
> 		  clientData: {picUrlRoot: "http://server/geoserver/prototyp/img/"}
> 		});
> map.addLayer(wfs);
> 
> this works fine. With a specific column in the database table (PostGIS) of
> the some feature I can describe which icon should be get to draw. The
> column hold a name, like "building" and additionaly there will be append a
> ".gif" to reference the picture on the server. 
> 
> My problem is:
> 
> - I will support that the pictures could be drag by the user and finally
> the changed possition of the point geometry, which was bind to the
> picture, will be write back (updated) to the geomety column in the
> database.
> I have read the Marker object couldn't be draggable but vector features
> into vector layers could be.
> 
> The question is:
> 
> - How is it possible to get the geometries of the features into the
> database and put them into vector features.
> - Is there no other way to get the features by wfs and write it to the
> vector features for build up?
> - Is this the right way to use Ajax to get the needed datas form the
> database?  
> 
> I hope I have discribed my problem in that way if you could understand it.
> 
> Thanks for every answer,
> Klaus    
> 

-- 
View this message in context: http://www.nabble.com/WFS-vs.-Vector-tp16606554p16608587.html
Sent from the OpenLayers Users mailing list archive at Nabble.com.