[OSM-newbies] Rendering on the PC
Thomas Meller
thomas.meller at gmx.net
Mon Apr 12 15:22:05 BST 2010
John,
a nice idea for a project to be implemented by a student.
See http://wiki.openstreetmap.org/wiki/Student_projects or http://wiki.openstreetmap.org/wiki/GSoC_Project_Ideas_2010
GSoC's input period is over since last week. So the first link would fit better.
Thomas
-------- Original-Nachricht --------
> Datum: Sun, 11 Apr 2010 19:35:36 -0400
> Von: john whelan <jwhelan0112 at gmail.com>
> An: newbies at openstreetmap.org
> Betreff: Re: [OSM-newbies] Rendering on the PC
> >We're generally a community of "doers". If you feel strongly about it
> needing to get done, then roll up your sleeves and work on it. We'll
> be here to help you.
>
> I had noticed it appears to be that way. Lots of people doing their own
> thing, often the same or very similar thing, who needs requirements for
> example, with documentation that often leaves much to be desired. I
> didn't
> expect it to be easy to do, I do have some computer system background.
>
> It would appear that Maperitive looks very promising and it can use a
> cached
> .osm file saved from JOSM. If any one wants to have a look at it the best
> documentation appears to be here
> http://wiki.openstreetmap.org/wiki/Maperitive.
>
> Cheerio John
>
> That's not as easy as it sounds.
> >
> > There's no current support in the API (the communication protocol
> > between the client and server) for a client to request updates to a
> > certain area by time. In other words, you can't ask for a bounding box
> > as per a certain date at this time.
> >
> > That's why there's no nice way to have an API cache (which is
> > essentially what you're asking for). There might be ways to get around
> > it, but you'd end up doing so much work that it would be significantly
> > more work on both the client and the server end in order to save what
> > would probably be a negligible amount of network traffic.
> >
> > > The program would also allow items to be selected for display, same
> > concept
> > > as Google Earth, place names, cycle routes etc. This would allow a
> > smaller
> > > packet to be returned to the PC if we only sent the requested
> > information.
> >
> > You can currently request only some data from the server, and since
> > you're using JOSM, I believe you can already use this functionality.
> >
> > > The advantages would be lower server and internet traffic.
> >
> > Traffic isn't the only measurement of "work", but as this would
> > require a significant amount of work to add to the API, I don't think
> > it'll happen soon.
> >
> > > So the question is is there such a program today?
> >
> > You can do most of what you describe now with JOSM, including the
> > rendering I believe.
> >
> > > If not how does one nudge someone to build it?
> >
> > We're generally a community of "doers". If you feel strongly about it
> > needing to get done, then roll up your sleeves and work on it. We'll
> > be here to help you.
> >
> > - Serge
> >
> > _______________________________________________
> > newbies mailing list
> > newbies at openstreetmap.org
> > http://lists.openstreetmap.org/listinfo/newbies
> >
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