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

[Jim Klassen]

Cool!

The list is always a good place to start for problems/questions/feedback.

At one point I thought there was a fallback to the old MapServer mode, but I'm not seeing it in the code now.  Maybe I missed it.  Dan?

On Apr 16, 2012, at 8:08 PM, Johan Forsman 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 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?
> 
> 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
> >
> >
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> 
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