Class order in mapfile

[Bart van den Eijnden (OSGIS)]

Sortshp can do this for shapefiles, see:

http://mapserver.gis.umn.edu/docs/reference/utilityreference/sortshp

Best regards,
Bart

--
Bart van den Eijnden
OSGIS, Open Source GIS
http://www.osgis.nl


--------- Oorspronkelijk bericht --------
Van: Gregor Mosheh <gregor at HOSTGIS.COM>
Naar: MAPSERVER-USERS at LISTS.UMN.EDU <MAPSERVER-USERS at LISTS.UMN.EDU>
Onderwerp: Re: [UMN_MAPSERVER-USERS] Class order in mapfile
Datum: 26/04/07 08:51

> > If I understand correctly, classes in a layer are not rendered in the
> > order they appear in the layer, but as they are encountered in the
> > dataset, e.g. a shapefile.
> 
> Correct. Features are rendered in the order they appear in the data
> source. The selection of class for a feature is a first-match based on the
> classes' criteria.
> 
> 
> > A workaround could for instance be seperating classes into layers.
> > Any other workarounds?
> 
> Another could be to sort your dataset to fit your classes. Using
> PostgreSQL, the CLUSTER command will physically sort a table by the given
> criteria. There may or may not be something you could do with shapefiles
> to accomplish this same goal. (in a pinch, I suppose you could shp2pgsql,
> cluster, pgsql2shp)
> 
> 
> 
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