[Qgis-user] Help with Ordnance Survey SLD's for OS Mastermap

[David James]

If Guiseppe is right that variable expansion in the SLD file is not
supported by QGIS, then the set of SLD files you pointed me at will have
the same problem as the OS MM SLD's (the topographicarea file references
osmmstyle_name instead of os_cat and contains a similar construct:
xlink:href="osmmsymbols/${osmmstyle_name}.svg"/>)

Perhaps I need to ask on the developers' list if this is likely to be
supported in the future.

I've not had a chance to try the QML files yet.

David

On 01/09/2014 11:26, McDonaldR wrote:
>
> You can grab QGIS styles for OSMM here:
>
>  
>
> https://github.com/mixedbredie/QGIS-styles/tree/master/OSMM
>
>  
>
> and here:
>
>  
>
> https://github.com/QGIS-UK/Styles/tree/master/OSMM
>
>  
>
> The QML and SLDs depend on the schema of the source data (GML,
> shapefiles) and how they are loaded into the database (Loader!,
> GoLoader, Productivity Suite).  Usually descriptiveterm,
> descriptivegroup and make are used for the styles.
>
>  
>
> These SLD files for OSMM are based on the OS styles but without the
> reference to os_cat field.
>
>  
>
> https://github.com/mixedbredie/Geoserver-OS-SLDs
>
>  
>
> hope that helps a bit.
>
>  
>
> Ross
>
>  
>
> *From:*qgis-user-bounces at lists.osgeo.org
> [mailto:qgis-user-bounces at lists.osgeo.org] *On Behalf Of *Thomas Colley
> *Sent:* 01 September 2014 09:35
> *To:* Giuseppe Sucameli; David James
> *Cc:* qgis-user ML
> *Subject:* Re: [Qgis-user] Help with Ordnance Survey SLD's for OS
> Mastermap
>
>  
>
> os_cat is a field used for styling in OS layers. The complication is
> (at least last I checked) the field doesn’t exist in the data as
> shipped. There are some SQL files on the OS website for creating
> os_cat (calculated from a combination of other fields) in PostGIS, but
> I’m not sure how that would be applied to shapefiles.
>
>  
>
> I’m sure that OS have released proper QGIS Style Files now as well as
> SLDs. I can’t find them at the minute (too early on a Monday morning)
> but I’ll let you know when I do.
>
>  
>
> Cheers
>
>
> Tom
>
>  
>
> *From:*qgis-user-bounces at lists.osgeo.org
> <mailto:qgis-user-bounces at lists.osgeo.org>
> [mailto:qgis-user-bounces at lists.osgeo.org]
> <mailto:[mailto:qgis-user-bounces at lists.osgeo.org]> *On Behalf Of
> *Giuseppe Sucameli
> *Sent:* 01 September 2014 08:34
> *To:* David James
> *Cc:* qgis-user ML
> *Subject:* Re: [Qgis-user] Help with Ordnance Survey SLD's for OS
> Mastermap
>
>  
>
> Hi David,
> IIRC that kind of variables are not supported by QGIS neither by the
> SLD standard.
>
> You must replace it with the correct SVG filename.
>
> Anyway, what is "os_cat" supposed to be? Is it a layer's field name?
>
> Regards.
>
> Sent from mobile. Sorry for being short.
> --
> Giuseppe Sucameli
>
> Il 01/set/2014 00:01 "David James" <david at djames.org.uk
> <mailto:david at djames.org.uk>> ha scritto:
>
> I'm very much a beginner with QGIS and I'm trying to run long before I
> can crawl ...
>
> I'm trying to use the Ordnance Survey MasterMap Topography layer SLD's
> (from
> http://www.ordnancesurvey.co.uk/docs/styled-layer-descriptors/topography-sld.zip)
> to style the sample OS MasterMap data.
>
> Initially, I found that when I loaded the SLD file into QGIS, only the
> first rule was being picked up, but eventually I found tjmgis's answer
> in
> http://gis.stackexchange.com/questions/69854/styling-os-vectormap-local-in-qgis
> (that all the <FeatureTypeStyle> and </FeatureTypeStyle> except the
> first and the last in the SLD files need removing) and now I'm making
> progress.
>
> I'm struggling with one problem: there's a rule called
> <Name>Vegetation (pattern) - 1:35 to 1:3,496</Name>
> which specifies the SVG file as
> xlink:href="osmmsymbols/${os_cat}.svg"/>
>
> QGIS is showing me question marks in these areas (which I think means it
> is not finding the SVG file).
>
> Does QGIS support this use of ${os_cat} (and if so, what do I need to do
> to make it work?) or do I have to replicate the rule with explicitly
> named SVG files for all the different vegetation types?
>
> David
>
> --
> David James
> david at djames.org.uk <mailto:david at djames.org.uk>
>
>
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-- 
David James
david at djames.org.uk

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