[MLB-WIRELESS] Tool for checking LOS between nodes

[Daurnimator]

We also have a shared 'wisp' account for http://wisp.heywhatsthat.com/

I'll email you some creds off-list.

On 2 January 2017 at 17:49, Morgan Reed <morgan.s.reed at gmail.com> wrote:
> Ah, I presume you mean this;
> http://www.heywhatsthat.com/profiler.html
>
> I feel less bad about how ugly my tool is now ;)
>
> On Mon, Jan 2, 2017 at 5:14 PM, Morgan Reed <morgan.s.reed at gmail.com> wrote:
>>
>> Rummaged around the website a bit only thing I've found is broken links,
>> care to point me in the right direction?
>>
>> On Mon, Jan 2, 2017 at 5:09 PM, Morgan Reed <morgan.s.reed at gmail.com>
>> wrote:
>>>
>>> Would've been nice if I'd have found that yesterday...
>>>
>>> On Mon, Jan 2, 2017 at 5:04 PM, Mitch Kelly <mitchkelly24 at gmail.com>
>>> wrote:
>>>>
>>>> The hey what's that path profiler does all of that and more including
>>>> frequency and fresnel zone
>>>>
>>>> On 2 Jan 2017 2:02 PM, "Morgan Reed" <morgan.s.reed at gmail.com> wrote:
>>>>>
>>>>> Hi All,
>>>>>
>>>>>        I was a MW member some many (10+) years ago, but never actually
>>>>> got around to doing anything about setting up a node (Partially lack of
>>>>> funds, but mostly because there wasn't anything in LOS from that place.)
>>>>>
>>>>> Many years on, the other day I was reminded by the DuxTel website that
>>>>> MW exists. Figured I'd stick my head back in, though I'm not sure how much
>>>>> activity there is in the community these days (the Website and Mailing List
>>>>> archives seem to suggest it's a bit of a ghost town).
>>>>>
>>>>> In anticipation of perhaps finally setting up a node I did some
>>>>> rummaging around to try to determine what nodes were within LOS from my
>>>>> current location, after an initial aborted attempt with Google Earth
>>>>> (seriously, who the hell implements a pathing function which DOESN'T snap to
>>>>> markers, oh and the elevation profile of a path ignores the elevation of the
>>>>> coordinates provided...), I spent a bit of time cooking this up today;
>>>>>
>>>>> https://tools.darkglade.com/mwLos/
>>>>>
>>>>> It's pretty ugly and the code is horrible (I might fix it one day), but
>>>>> it pretty much works.
>>>>>
>>>>> The only nodes it loads automagically are the ones in the Geelong
>>>>> region because that's where I live (if somebody wants to give me a full list
>>>>> of the active nodes, ideally in this format
>>>>> https://tools.darkglade.com/mwLos/nodes.json (or access to a database that
>>>>> has the data in it) I'll happily stuff that in the back).
>>>>>
>>>>> The chart down the bottom shows LOS (red), actual ground level
>>>>> elevation (blue), the two green traces are the ground level elevation lifted
>>>>> 4m (nominal height of a single storey building) and 7m (nominal height of a
>>>>> double-storey building) so you can tell more or less if you actually have
>>>>> LOS over surrounding buildings (at least if you're not surrounded by
>>>>> highrises).
>>>>>
>>>>> I arbitrarily picked two nodes in Geelong city for the initial
>>>>> start/end point, but if you plug your lat/long/alt (height of your antenna
>>>>> above ground) into the "Start" fields and hit "Update" you can then click
>>>>> around the other nodes to see the terrain profile between you and them. The
>>>>> "End" fields will allow you to plot to arbitrary coordinates if you want to
>>>>> see something that's not already on the map.
>>>>>
>>>>> One warning though, it won't be terribly accurate over long distances,
>>>>> as the Elevation API is limited to 512 points per request, as such long
>>>>> distances may be problematic (should be pretty good to ~5km though), if I
>>>>> can be bothered (and assuming there's a decent path splitting algorithm
>>>>> available in the APIs) I might fix that by breaking the paths down into
>>>>> smaller chunks and querying them separately.
>>>>>
>>>>> Figured it might be useful for other people.
>>>>>
>>>>> Morgan
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Melbwireless mailing list
>>>>> Melbwireless at lists.wireless.org.au
>>>>> https://lists.wireless.org.au/mailman/listinfo/melbwireless
>>>>>
>>>
>>>
>>>
>>> --
>>> "They that can give up essential liberty to obtain a little temporary
>>> safety deserve neither liberty nor safety."
>>> -- Benjamin Franklin, 1759
>>
>>
>>
>>
>> --
>> "They that can give up essential liberty to obtain a little temporary
>> safety deserve neither liberty nor safety."
>> -- Benjamin Franklin, 1759
>
>
>
>
> --
> "They that can give up essential liberty to obtain a little temporary safety
> deserve neither liberty nor safety."
> -- Benjamin Franklin, 1759
>
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