Jeje,

Funny. In OGC they are also considering splitting WFS into several levels of complexity and to not force the use of GML, I wonder when they are going to start talking about WFS Lite.

Cheers.


Begin forwarded message:

From: "Panagiotis (Peter) A. Vretanos" <pvretano@cubewerx.com>
Date: 2 de noviembre de 2006 20:44:25 GMT+01:00
To: Raj Singh <rsingh@opengeospatial.org>
Cc: wfsbasic.users@opengeospatial.org, wfs-dev@opengeospatial.org
Subject: Re: [wfs-dev] name change

Well,

Not quite a FULL WFS without transactions.

The WFS includes the capabilities and filter capabilities to allow 
servers to declare what the are capable of.

This means that servers can declare that they support very little.  For 
example, the following filter capabilities:

<ogc:Filter_Capabilities  xmlns:ogc="http://www.opengis.net/ogc">
   <ogc:Spatial_Capabilities>
     <ogc:GeometryOperands xmlns:gml="http://www.opengis.net/gml">
       <ogc:GeometryOperand>gml:Point</ogc:GeometryOperand>
     </ogc:GeometryOperands>
     <ogc:SpatialOperators>
       <ogc:SpatialOperator name="BBOX" />
     </ogc:SpatialOperators>
   </ogc:Spatial_Capabilities/>
   <ogc:Id_Capabilities>
     <ogc:EID />
   </ogc:Id_Capabilities>
</ogc:Filter_Capabilities>

indicates that this server only supports BBOX on gml:Point types.

So the most complex request you could form (on as single feature type) 
would be something like:

http://www.server.com/wfs/wfs.cgi?service=WFS&version=1.1.0&request=GetCapabilities&typeName=myns:PointsOfInterest&BBOX=10,10,20,20

I would prefer that this work (WFS Simple I mean) be rolled back into 
the WFS specification as a level 0 conformance class rather than having 
two independent specifications that do similar things ... even if this 
means making GML a preferred but not mandatory output format for the 
GetFeature operation.

The WFS already allows other formats, other than GML, to be supported so 
something like KML is well within the scope of the current spec..

Ciao.

Raj Singh wrote:
In the WFS specification the idea of a 'Basic WFS' is mentioned that  
pertains to a full WFS that is read-only--no transactional support.  
This is quite different from the intent of this effort, so the  
working name has been changed to 'WFS Simple'.
---
Raj


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-- 
Panagiotis (Peter) A. Vretanos          CubeWerx Inc.
Big Kahuna (Senior Database Developer)  http://www.cubewerx.com
Tel. 416-701-1985 Fax. 416-701-9870     pvretano@cubewerx.com

"If you want to make an apple pie from scratch, you must first
  create the universe." -- Carl Sagan
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