The editor of the WFS spec (Peter Vretanos) should be able to clarify.
Peter, should startIndex start at 0 or at 1? See also the discussion below.
TIA.
Best regards,
Bart
--
Bart van den Eijnden
OSGIS - http://osgis.nl
On Jan 4, 2012, at 3:14 PM, Even Rouault wrote:
> Selon Bart van den Eijnden <[email protected]>:
>
>> Hi Even,
>>
>> but if you look at the schema [1], a value of 0 makes more sense to me
>> (default value is 0 and not 1):
>>
>> <xsd:attribute name="startIndex" type="xsd:nonNegativeInteger" default="0"/>
>>
>> [1] http://schemas.opengis.net/wfs/2.0/wfs.xsd
>
> Yes, I agree, but the example in the PDF contradicts that, no ? It is a shame
> that there is no clear text saying somehow "Index 0 means first feature".
>
> Who could confirm the "correct" interpretation ?
>
>>
>> Best regards,
>> Bart
>>
>> --
>> Bart van den Eijnden
>> OSGIS - http://osgis.nl
>>
>> On Jan 4, 2012, at 2:57 PM, Even Rouault wrote:
>>
>>> Hi,
>>>
>>> I read with interest
>>>
>>
> http://geo-solutions.blogspot.com/2011/12/wfs-for-masses-adding-support-for.html
>>> and decided to play with GeoServer 2.1.3 and its paging support a bit, with
>> the
>>> OGR WFS driver.
>>>
>>> I've tested on the samples (tiger:poi layer) and discovered that GeoServer
>> takes
>>> as convention that STARTINDEX=0 is the first feature. The issue is that
>>> MapServer 6 took the convention that STARTINDEX=1 is the first feature, and
>> this
>>> is the convention I used to write the OGR WFS driver.
>>>
>>> I decided to read again the WFS 2.0 spec PDF and unfortunately I find it
>> quite
>>> ambiguous in the spec part, but in the "B.8.4.7 Example 7" section, it
>> reads :
>>>
>>> """
>>> Find the 5th highest mountain in the region around the Himalayas.
>>>
>>> http://www.someserver.com/wfs.cgi?
>>> SERVICE=WFS&
>>> VERSION=2.0.0&
>>> REQUEST=GetFeature&
>>> TYPENAMES=Mountains&
>>> BBOX=27.6669,86.4800,28.2709,87.2120&
>>> SORTBY=Elevation DESC&
>>> STARTINDEX=5&
>>> COUNT=1
>>> """
>>>
>>> which would confirm the interpretation of STARTINDEX=1 for the first
>> feature,
>>> and STARTINDEX=0.
>>>
>>> Any thoughts ?
>>>
>>> Best regards,
>>>
>>> Even
>>>
>>>
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>>
>
>
>
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