I put together a little Graphviz[1] diagram which I hope captures what's
been discussed so far.  Maybe it will be useful:
http://dev.opengeo.org/~dwinslow/architecture.png

I made a Github gist with the Graphviz source:
https://gist.github.com/4606384

Eventually it might be nice to include something like this diagram on the
index page that Justin mentioned.  We might be able to use the Sphinx
plugin for embedded graphviz diagrams.
http://sphinx-doc.org/ext/graphviz.html

[1]: http://www.graphviz.org/

--
David Winslow
OpenGeo - http://opengeo.org/


On Wed, Jan 23, 2013 at 8:05 AM, Andrea Aime
<andrea.a...@geo-solutions.it>wrote:

> On Wed, Jan 23, 2013 at 1:35 PM, Federico Cacco
> <federico.ca...@gmail.com> wrote:
> > Ok, thank you very much!
> >
> > I have another question (I hope the last one for today).
> >
> > I realized that GeoServer is composed of several modules that perform
> > various functions, including the one for the WMS service.
> > But I wanted to ask if that module also performs graphic rendering of
> > maps requested by the GetMap operation,
> > and if it takes care of all operations that involve the creation of a
> > graphical map.
> >
> > In other words it is true that the WMS module takes care of all the
> > operations for the service WMS, that WFS module takes care of all the
> > operations for the service WFS etc. ?
>
> It is true that each takes care of whatever the protocol demands, but lower
> level operations such as painting the actual map, accessing raster
> and vector data, reprojecting data if necessary and so on, those
> are done by the GeoTools libraries.
> Other specific needs are sometimes addressed by other external libraries,
> e.g., SVG handling is done by Batik, GeoJSON is done by json-lib,
> REST basic support is done by Restlet, and so on.
>
> Cheers
> Andrea
>
> --
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