[email protected] ha scritto:
Hi,
There are differences, like (as you note below) if you require WFS-T
then mapserver will not be of much use. Most differences are due to the
java vs cgi underlying approaches. The config gui for geoserver is nice,
but a bit of experience scribbling (or cut'n pasting) mapfiles means the
gui is not that big a difference (IMHO)
The fundamental difference for me is that every mapserver mapfile
effectively instantiates a new OGC service provider with its own set of
layers, geoserver, however, is a single monolithic service providing all
defined layers in the one URL.
I want a single server providing lots of custom WMS/WFS services, from
mostly PostGIS databases, but also raster tilesets, shapefiles, etc...
Mapserver provides this (at present) far more easily than geoserver - so
my choice is simple.
Yup, true. GeoServer is starting to have something like that with
namespace filters:
http://geoserver.org/display/GEOS/GSIP+44+-+Virtual+services+with+workspaces
(available only in trunk builds).
Also, last time I looked, Mapserver works more effectively than
Geoserver with PostGIS. For example, the mapserver pre-processor with
variable substitution allows me to provide a mapfile with a single
layer, say querying a table of recorded species locations with 1200
species, in a single query: " ... where species ='%SPP%' ...". The URL
querying the service can pass in the value mapserver will use in place
of SPP when the query is passed to Postgis.
So a single query (layer) in a mapfile provides access to 1200 available
layers. AFAIK, geoserver cannot provide this sort of functionality &
flexibility with both embedded SQL queries specifying a layer content &
runtime variable substitution.
I think you're talking about a combination of available functionality:
http://docs.geoserver.org/stable/en/user/styling/sld-extensions/substitution.html
and soon to be available one:
http://jira.codehaus.org/browse/GEOT-2123
http://jira.codehaus.org/browse/GEOS-3922
But yeah, GeoServer has been quite lacking in this respect for a lot
of time.
Cheers
Andrea
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