[Loadstone] Relative degrees does work
shawn at odyssey.cm.nu
Tue Jan 29 01:29:01 GMT 2008
I'd guess there's a glitch with the 5 key in exploration mode. Settings
other than clock face aren't well tested with this key. I'll have to have a
look and see what's going on with this one, it's not supposed to be doing
that. On the other hand it might be a good start to the relative degrees
On Mon, 28 Jan 2008, Paul Shelton wrote:
> Hi Shawn,
> Given that this feature has not been coded, I'm having trouble explaining
> the behaviour I am seeing.
> I've intentionally selected a point that is quite distant from my GPS
> location so that drift is not an issue. The point I have navigated to is
> 3700 miles from my home and when I actually go to it in exploration mode, it
> always says it is at 256 degrees. This is what I would expect. However,
> when I hit the 5 key, if I'm sitting still, the heading is all over the
> place but if I start moving, it seems to lock in on a heading that looks
> like a relative heading. That is, if I'm approaching the POI, it shows that
> it is around 360 degrees and if I'm moving away it appears to be around 180
> I haven't had the opportunity to try this in a car yet, but this is what I'm
> I wouldn't think that any amount of drift should change my absolute heading
> to a point that is 3700 miles away.
> Any ideas?
> ----- Original Message -----
> From: "Shawn Kirkpatrick" <shawn at odyssey.cm.nu>
> To: <loadstone at loadstone-gps.com>
> Sent: Sunday, January 27, 2008 6:56 PM
> Subject: Re: [Loadstone] Relative degrees does work
>> This is absolutely not the way things work. Depending on your heading it
>> look like it's working but it does not do anything with the heading for
>> degrees or cardinal modes. In those modes the heading is set to north.
>> goes for exploration mode, the heading is locked to north. In navigation
>> mode hitting select will tell you the closest point with the heading
>> relative to north, same with 5 in exploration mode. So if your heading is
>> northerly direction then this might seem to be working but will quickly
>> change if your heading in another direction.
>> On Sun, 27 Jan 2008, Paul Shelton wrote:
>>> Ok, looks like you were right. If I'm in navigation mode and hit the
>>> (select) button on the joystick, I will get a relative heading. It's
>>> exactly what I was asking for, i.e., it's not right 20 degrees or left 20
>>> degrees, but it is a relative heading. In other words, whatever
>>> direction I
>>> am traveling becomes North so that if I am told the point is at 90
>>> I know it is off to my right. The same thing seems to be true in
>>> exploration mode. Whatever point is my current position, if I hit the 5
>>> key, the points position is given relative to my direction of travel.
>>> All other points in navigation mode seem to give absolute headings. So
>>> that I've stirred up all this traffic on the list, I think I can just
>>> this the way it is.
>>> Loadstone mailing list
>>> Loadstone at loadstone-gps.com
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