Bbox in GetCapabilies for PostGIS layer

Barend K ö bben kobben at ITC.NL
Fri Oct 26 03:46:03 EDT 2007


Hi Daniel and others,

We noticed that error also, and indeed setting the ows_extent on the layers
works. Note however that basically Mapserver is making a strange move: If it
cannot get the extent automatically out of one of its layers LAYER (, it
does 



On 25-10-2007 21:54, "Daniel Morissette" <dmorissette at MAPGEARS.COM> wrote:

> The postgis implementation in MapServer may not support reading the real
> data extents automatically (I just don't know), but you should be able
> to set the ows_extent metadata in your layer to tell MapServer which
> extents to use for the BoundingBox in capabilities. By default if
> ows_extent is not specified then MapServer tries to get the extents from
> PostGIS and it seems that it returns something that's way larger than
> the actual data.
> 
> Daniel
> 
> Bart van den Eijnden wrote:
>> Hi Yves,
>> 
>> unfortunately this is not implemented for PostGIS.
>> 
>> Best regards,
>> Bart
>> 
>> On 10/25/07, *Jacolin Yves* < yjacolin at free.fr
>> <mailto:yjacolin at free.fr>> wrote:
>> 
>>     Hi list,
>> 
>>     I am working on an application using only OGC standards. I am
>>     successfully
>>     create my list of layer from a GetCapabilities request. I would like
>>     to add
>>     an overview for each of this layer, and so I processed the bbox,
>>     scaleHint to
>>     send a GetMap.
>> 
>>     However, I have a problem with all postgis layer because the bbox
>>     for all of
>>     my bbox are something like this :
>>             <BoundingBox SRS="EPSG:27582" minx="-2.5e+07" miny="-2.5e+07"
>>     maxx="2.5e+07" maxy="2.5e+07" />
>> 
>>     which is obviously incorrect.
>> 
>>     My srid postgis layer is set to -1, but the data are in srid =
>>     27582. Do you
>>     think my problem come from this set up ? My projections are always
>>     set up to
>>     EPSG:27572 in my mapfile.
>> 
>>     Thanks,
>> 
>>     Y.
>>     --
>>     Yves Jacolin
>>     ---
>>     http://softlibre.gloobe.org
>> 
>> 
> 



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