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

Wed Apr 18 08:15:13 EDT 2012

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<mailto: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<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<mailto: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<mailto: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
>
>
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