[Geomoose-users] Changes to mapserver-type layer handling in GM 2.6?

Wed Apr 18 08:59:23 EDT 2012

Should be a nightly update.  We recently upgraded the GeoMOOSE server from Debian 5.0 to 6.0 and we've experienced some "fall out."


>________________________________
> From: Johan Forsman <Johan.Forsman at LA.GOV>
>To: "eadam at co.lincoln.or.us" <eadam at co.lincoln.or.us> 
>Cc: "geomoose-users at lists.osgeo.org" <geomoose-users at lists.osgeo.org>; Bob Basques <Bob.Basques at ci.stpaul.mn.us> 
>Sent: Wednesday, April 18, 2012 7:15 AM
>Subject: RE: [Geomoose-users] Changes to mapserver-type layer handling in GM 2.6?
> 
>
>I am not yet seeing your changes to the documentation at the end of those links. Perhaps it’s still a little while before changes are reflected?
> 
>Thanks,
>Johan.
> 
>From:Eli Adam [mailto:eadam at co.lincoln.or.us] 
>Sent: Tuesday, April 17, 2012 3:17 AM
>To: Johan Forsman
>Cc: Bob Basques; Jim Klassen; geomoose-users at lists.osgeo.org
>Subject: Re: [Geomoose-users] Changes to mapserver-type layer handling in GM 2.6?
> 
>Johan,
>     
>On Mon, Apr 16, 2012 at 6:08 PM, Johan Forsman <Johan.Forsman at la.gov> wrote:
>Success!
>The fastest method I could think of to test all layers was a bulk Find of “STATUS ON” and Replace with “GROUP ‘all’” which indeed allows the layers to display as intended using <layer name="all"/> in the mapbook. 
>I think this topic needs to be documented front and center in the migration guide as it represents a fundamental change in the way the application works. I am sure there are many instances of legacy GM/MapServer  installations that may require significant 
>
>I have updated documentation here, http://geomoose.org/trunk/releases/2.6.html#release and here, http://geomoose.org/trunk/docs/faq.html#why-doesn-t-layers-all-work-anymore (should show updates in a while)  Please review it to confirm that it is sufficient.  
> 
>retooling to work with the new version, especially if they are not configured to serve WMS already.
>>Thanks for the tips and for a really great product.
>>I am curious about Jim’s “in the default case”  statement. Does this mean there is a case where the MapServer layers are *not* translated to WMS calls?
>>Incidentally, I may have discovered a few other items that may not be as intended. If they are not user error, where is appropriate to report them?
>
>The email list is always a great place to confirm things. Once you are certain, a Trac Ticket is usually the best route, http://trac.osgeo.org/geomoose/newticket
> 
>Bests, Eli
>Thanks again,
>>Johan.
>>From:Bob Basques [mailto:Bob.Basques at ci.stpaul.mn.us] 
>>Sent: Monday, April 16, 2012 3:07 PM
>>To: Jim Klassen; Johan Forsman
>>Cc: geomoose-users at lists.osgeo.org
>>Subject: Re: [Geomoose-users] Changes to mapserver-type layer handling in GM 2.6?
>> 
>>All (of you), 
>> 
>>Just adding the desired layers to a GROUP called "all", should fix things (I think) 
>> 
>>bobb 
>> 
>>
>>
>>>>> Jim Klassen <klassen.js at gmail.com> wrote:
>>It was intentional to migrate to using WMS over the MapServer specific calls in the default case as it eases interoperability with other servers and simplifies the code in many cases.
>>
>>I don't think it was intentional to loose the layers=all trick (which was implemented inside MapServer not GeoMoose).  Do any of the suggestions in the MapServer ticket referenced by Bob work as a workaround for you?
>>
>>While 2.6 is near to release, one of the bigger tasks left is finishing up documentation.  Thank you for testing and bring this to our attention.
>>
>>On Apr 16, 2012, at 2:24 PM, Johan Forsman wrote:
>>
>>> All:
>>>
>>> I am slowly migrating a GM 2.2 site with some minor customizations to 2.6 and am wondering if what I am observing with my mapserver layers is by design or an error on my part.
>>>
>>> On 2.6 it appears that all mapserver layers are requested as WMS which appears to result in
>>>
>>> 1) any mapserver-type layer returns an error if the map file does not at least contain something like 'ows_enable_request' '*', and
>>>
>>> 2) using the "all" parameter in the layer definition in the mapbook returns an error.
>>>
>>> For example, in the 2.2 environment I have a "roads" source defined in the mapbook very simply as such:
>>>
>>> <map-source name="roads_simple" type="mapserver" >
>>> <file>./sdwp/roads/webmaps_osm_lahwys.map</file>
>>> <layer name="all"/>
>>>
>>> <layer title="Roads" src="roads_simple/all" status="off" legend="true" show-legend="true" fade="false" unfade="false"/>
>>>
>>> The forwarded URL request is:
>>>
>>> http://oph-isb-gis01/cgi-bin/mapserv.exe?map=/mapserver/apps/geomoose2/maps//sdwp/roads/webmaps_osm_lahwys.map&layers=all&mode=map&mapext=-10879743+3088767+-9475743+4200267&imgext=-10879743+3088767+-9475743+4200267&map_size=1404+1111&imgx=702&imgy=555.5&imgxy=1404+1111
>>>
>>> The map file contains many scale-dependent line- and annotation layers and renders beautifully.
>>>
>>> In the 2.6 environment the same mapbook definition and mapfile results in this call:
>>>
>>> http://oph-isb-gis01/cgi-bin/mapserv.exe?
>>> MAP=/mapserver/apps/geomoose26/maps//sdwp/roads/webmaps_osm_lahwys.map&FORMAT=image/png&TRANSPARENT=TRUE&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&LAYERS=all&SRS=EPSG%3A3857&BBOX=-10706687.23566,3214635.152984,-9648798.7643401,4074398.847016&WIDTH=865&HEIGHT=703
>>>
>>> which returns:
>>>
>>> <ServiceException code="LayerNotDefined">
>>> msWMSLoadGetMapParams(): WMS server error. Invalid layer(s) given in the LAYERS parameter.
>>> </ServiceException>
>>>
>>> I have unsuccessfully searched for documentation on this topic. Please advise.
>>>
>>> Thanks!
>>> Johan Forsman
>>> Geologist
>>> Engineering Services
>>> LDHH-OPH-CEHS
>>> 225.342.7309
>>>
>>>
>>> _______________________________________________
>>> Geomoose-users mailing list
>>> Geomoose-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/geomoose-users
>>
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