Class order in mapfile

[Gregor Mosheh]

> 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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