Re: [OpenMap Users] Openmap as a server (but not image server?)

From: Denny Lee <dennylee60_at_yahoo.com>
Date: Tue, 17 Jan 2006 08:23:14 -0800 (PST)

 Hello Carsten,
Could you possibly post some source code for the
backend? We are interested in doing something similar
to what you have done but is having a hard time
getting the shp feature layers to show up. Thanks.

Denny

--- "Carsten . Madsen" <com_at_navicon.dk> wrote:

> Hi Chris
>
> It is easy to embed OM in , e.g, a servlet and
> extend the protocol. We
> have used this approach to decorate a map with
> target info obtained from
> a web service. Our URLs looks like this:
>
>
?REQUEST=map&PROJTYPE=Mercator&SCALE=3421874.8&LAT=50.8542&LON=-1.3491&HEIGHT=600&WIDTH=800&name0=RED
>
OSPREY&SOG0=12.8&COG0=128.9&latx0=30512520&lonx0=-809460
>
> Of course one have to fix the problems related to
> long URLs etc for this
> to work but using another protocol like SOAP would
> eliminate this problem.
>
> Check
>
>
http://navicon.dk/trkserver/AisTrackServer?format=html
>
> and
>
> http://navicon.dk/trkserver/displaytag.jsp
>
> for demos.
>
>
> regards
> /carsten
>
> Esposito, Christopher wrote:
>
> >Hello All,
> > I'm working on an interactive Openmap GUI (for
> adding, deleting, and
> >moving items on the map) that will wind up as part
> of a distributed
> >agent-based system that is mostly written in
> Python, although some of
> >the pieces the GUI will talk to are also in Java.
> After much searching,
> >discussion, and evaluation of a few alternatives it
> appears that
> >directly interfacing Java and Python is quite
> problematic, to say the
> >least, partly because the java-based pieces are in
> a subordinate role -
> >we would be trying to "wrap" the java pieces in a
> Python layer so that
> >they look just like the other Python-based agents.
> From what the local
> >Python developers tell me, this rules out things
> like Jython, which is a
> >python interpreter embedded in Java.
> >
> >As an alternative we are now looking at messaging
> approaches like SOAP
> >to be able to cross the language barrier; the
> various agents send
> >messages to the GUI piece when they need it to
> update something, and
> >user interaction is converted into messages that go
> out to the various
> >agents as appropriate. Two questions:
> >
> >1) has anybody used Openmap in this fashion? Any
> tips, tricks, gotchas
> >to pass along?
> >
> >2) In digging through the mailing list archives I
> see references to
> >Openmap as an `Image server', but I also get back
> hundreds of hits from
> >the archives from this search. I have found the
> javadocs for some of the
> >relevant classes here, and it sounds like the
> functionality provided is
> >narrowly defined to responding to requests for
> pieces of a map rendered
> >as JPEG images, or something similar. Have I
> correctly understood the
> >function of the ImageServer-related classes?
> >
> >Thanks,
> >Chris
> >
> >Chris Esposito, Ph.D.
> >Associate Technical Fellow
> >Boeing
> >(425) 865-5322
> >
> >
> >--
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>
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Received on Tue Jan 17 2006 - 11:31:36 EST

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