Hi Paolo,
1. For labelling using two different names (endonym = name in the language of
the country, exonym = name in foreign language) you could use the following SLD
if you have the two labels in separate columns in your data:
<TextSymbolizer>
<Label><ogc:PropertyName>endonym</ogc:PropertyName>
<![CDATA[
]]><ogc:PropertyName>exonym</ogc:PropertyName>
</Label>
</TextSymbolizer>
The CDATA part will give you a carriage return so the two names appear on
different lines.
2. The look and feel for rendering height on the TriMet website, that appears
to have been achieved using a drop shadow as discussed at
http://docs.geoserver.org/stable/en/user/styling/sld-extensions/geometry-transformations.html.
We're curently working on Tele Atlas MultiNet for one of our clients. A lot of
work is spent in actually reworking the data in the database before setting up
the SLD rules.
Kind regards,
Edward
------------------------------------------
E. Mac Gillavry (Edward)
------------------------------------------
[t] +31 (0)30-26 72 225
[m] +31 (0)6-45 608 910
------------------------------------------
[e] [email protected]
------------------------------------------
Date: Fri, 6 May 2011 11:15:21 +0200
From: [email protected]
To: [email protected]
Subject: [Geoserver-users] GeoServer usage with commercial vendors data
Hi,
I work for an LBS based company, we have our own proprietary
rendering engine for producing maps, and we work mainly with data
from Navteq and TomTom. Presently our rendering engine is behind the
competition in terms of visual quality (we have a bad support for
antialiasing, label names with both native and transliterate names
are missing, and so on). Introducing new features in our current
rendering architecture would require quite a lot of coding and
re-engineering, so we are looking for alternative renderers,
possibly open sourced. During this research project I first came
across Mapserver, then I studied GeoServer and its several features.
I like very much the extensive built in support for open services
like WMS and the other OGC standards, and in terms of render quality
GeoServer would suit very much our needs.
I still have some questions I would like to ask.
In regards to rendering:
1) Is there any way to align labels in different encondings for the
same city? I mean something like writing Москва́ and Moskvá vertically
aligned, like on Google Maps. In Mapserver I can have this behaviour
both with Mapfile sintax and working with the labels on the DB side,
is it the same for GeoServer?
2) I examined the maps of the Portland city project (Trimet), they
are really stilish, and I noticed the buildings are represented in a
prospective-like fashion, as in Google Maps. Is this feature built
in in GeoServer?
In regards to working with high loads of data:
1) We render our maps from data provided by vendors like Navteq, and
they have a lot of details and features. Is there anyone working in
the same field, who could share some of his experience?
2) I examined the case studies cited in the documentation, it seems
to me that the hardware requirements for GeoServer to run smoothly
with high loads of data are higher then with Mapserver. Currently we
are able to provide all our services (mapping, geocoding,
routing...) with just two dual quad core Xeon servers, with 16G ram
and a SAS array for data (file based). Would this be sufficient to
run GeoServer with a PostGis or Spatial backend, or would we need to
buy more hardware?
Thanks in advance for any feedback.
Regards,
Paolo Crosato
--
Paolo Crosato
Ubiest SPA
http://www.ubiest.com
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