[Interop-dev] NetJSON + geographic coordinates

[Henning Rogge]

Nobody else having an opinion on this?

Henning
On Fri, May 11, 2018 at 6:21 AM Henning Rogge <(spam-protected)> wrote:

> The fact that we have the "NetworkCollection" Object makes the "different
> Geo Object" approach much more flexible.

> You want to deliver Coordinates AND Graph at the same time (e.g. because
of
> a hack in the routing agent that transports coordinates)? Just return a
> Network Collection with both.

> You have two different agents who supply Graph and Geo data? Just use a
> small "webserver" that plays multiplexer for the two queries...

> Henning
> On Thu, May 10, 2018 at 11:56 AM nemesis <(spam-protected)> wrote:

> >   On Tue, 08 May 2018 13:29:16 +0000, Henning Rogge <(spam-protected)>
> >   wrote:
> > > Hi,
> > >
> > > I don't think this should be a part of the network graph...

> >   Why not? Geographic coordinates can be optional but are important if
> >   you want to create a network graph with pre-determined positions on a
> >   geographic map or on a background image (imagine a floorplan).

> >   By adding them so they would be optional we'd also maintain backward
> >   compatibility.

> > > we could easily use the same "node-id" values and just post it with a
> > > different netjson command.
> > >
> > > something like this:
> > >
> > > {
> > >      "type": "GeoPosition",
> > >      "nodes": [
> > >          {
> > >              "id": "172.16.40.24",
> > >              "geometry": {
> > >                  "type": "Point",
> > >                  "coordinates": [
> > >                      13.7457753718,
> > >                      43.2589744573
> > >                  ]
> > >              },
> > >      },
> > > }

> >   There's no need to reinvent a GeoJSON collection:
> >   http://wiki.geojson.org/GeoJSON_draft_version_6#GeometryCollection

> >   We need a network graph that has also GeoJSON coordinates, if we don't
> >   offer a standard way to do this developers will again reinvent their
own
> >   incompatible way.

> >   Fed

> > > On Tue, May 8, 2018 at 2:59 PM nemesis <(spam-protected)> wrote:
> > >
> > >>   Many people have asked for a way to show geographic coordinates in
> > >>   NetJSON.
> > >
> > >>   I'm proposing a simple solution based on GeoJSON that should work
> > >> well,
> > >>   you can find it here:
> > >>   https://github.com/netjson/netjson/issues/62
> > >
> > >>   Note: I've been working a lot on NetJSON implementations in
> > >> OpenWISP
> > >>   (monitoring and configuration in particular) and I have not had a
> > >> lot of
> > >>   time to write here nor update the spec but the work is moving
> > >> forward.
> > >>   I'm at the meshup event in Berlin right now and I've been told by
> > >> Axel
> > >>   Neumann that Bmx7 now has a netjson plugin.
> > >
> > >>   Cheers
> > >>   Federico