From: Johannes Wolf (mp2100_at_mail-gw.estec.esa.int)
Date: Fri Aug 12 2005 - 01:57:40 PDT
Hi Michael,
I can assure you, I got the same impression when I started to build my first
own map.
But I tried and succeeded.
Finally it is not that complicated as it seems reading the instructions the
very first time.
If you try and go step by step you will see.
The very first thing to do is to find a good source for a Map covering the
area you are interested in.
The map needs to have a grid with the coordinates in lon/lat.
It has also been reported that people succeeded using web based maps.
You need to define 6 points on the Map that you can easily find back in the
picture file (preferably on the grid) and note the lat/lon position for each
of the points.
Next step is to prepare the picture file in greyscale, because the Newt can
only display 16 levels of grey.
For that file you determine the absolute pixel coordinates for your 6
points.
Using the little tool programs you calculate the numerical inputs for NTLK
map preparation.
NTLK with the map preparation template that you adapt to your needs will
produce the map container package that you can download to your Newt.
Do not give up so quickly, finally it is great to have your own map on the
Newt.
Cheers
Johannes
PS: On the Laptop I use MS Autoroute with my GPS mouse when on mission, but
of course that is not te cheepest solution you can think of. But for me it
always was very useful to have.
> -----Original Message-----
> From: newtontalk-bounce_at_newtontalk.net
> [mailto:newtontalk-bounce_at_newtontalk.net]On Behalf Of Michael Blazer
> Sent: Thursday, August 11, 2005 7:04 PM
> To: newtontalk_at_newtontalk.net
> Subject: [NTLK] GPS advice wanted
> (Apologies in advance if this has been covered -- I did look in
> the archives, FAQ,
> Wiki, etc.)
> Just received my AQ-300 and NewtNav (thanks, Adriano!) (wow, 4
> days from Italy to
> Canada!). It worked right out of the box with GPSMap2.1 and with
> TeleTypeGPS.
> I'm wondering if anyone has any maps they could share for use
> with GPSMap that would be
> useful to someone living in Eastern Canada, Southern Ontario, or
> the Toronto area.
> I've looked at the instructions for making your own maps just
> long enough to determine
> that it's way beyond my mental powers and available free time.
> I did d/l the Ontario towns db for TeleTypeGPS but I'm not sure
> how to use it. The
> names of the waypoints (is that the right term?) for the Toronto
> area seem to
> correspond only roughly with actual geographical names that
> anyone living here would
> recognize.
> As you can tell, this GPS stuff is quite new to me, so I'm pretty
> clueless about how to
> use it. So far, all I've done is get my co-ordinates, paste them
> into Google maps, and
> looked at the pretty satellite view of my house. It's cool, but
> I don't see how it can
> help me not get lost while traveling without internet access.
> (An [OT] addendum: Any suggestions for software to use on my
> PowerBook? I've got the
> USB adapter for the AQ-300 and it works fine with SimpleGPS, but
> I'm wondering what
> else is available software-wise, particularly without spending a fortune.)
> TIA!>
> Michael
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