[ARDF] Question

bruce brucep at netspace.net.au
Tue Sep 19 17:24:05 PDT 2006


Hi Vadim,

In the past I have used oziexplorer itself to do just this.

1st step: (I imagine you already do) is to read the track data directly or
indirectly from your GPS. Oziexplorer talks directly to my Garmin 201.

2nd Step: Rough registration. Find an existing registered road or
topographic map of the region containing your O map. This might be tricky,
but actually google earth will do fine. Either it is already registered, or
you can register it easily using coordinates. Once it's there in
oziexplorer, you can also turn on your tracks. Choose about 5 or 6 obvious
landmarks (eg track junctions, buildings) which all all on your O map too,
preferably near the corners (but at least around the area of your track.
Write down/save in a text file the coordinates (lat/long WGS-84 is easiest)
of the points.

Fine registration: Using the points register your scanned-in/Ocad->jpeg O
map. You may need to adjust the registration a bit to make your track line
up along landmarks you know you followed. Sometimes this isn't possible I've
found; some O map tracks are more artistic impressions than reality, or
juggled a bit to make it clearer (more real?) than real.

I guess there are better ways...but it works !

Cheers,
Bruce
 

> -----Original Message-----
> From: ardf-bounces at kkn.net [mailto:ardf-bounces at kkn.net] On 
> Behalf Of Vadim Afonkin (Comcast)
> Sent: Wednesday, 20 September 2006 5:55 AM
> To: ardfteamusa at yahoogroups.com; Joe Moell
> Cc: Ardf at Kkn. Net; Ardfteamusa at Yahoogroups. Com
> Subject: [ARDF] Question
> 
> Hi Team,
> 
> I would like to post maps from training camp along with GPS 
> data I recorded, however cannot find site where I can get 
> coordinates for maps we runned on.
> Does anybody know any resources to get scanned maps  
> "pinpointed" to GPS? I think I can convert data to show it on 
> GoogleEarth as well, but never try it before. It would be 
> interesting to see how did we run.
> 
> I use OziExplorer.
> 
> Any help appreciated.
> 
> Vadim
> 
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