Author Topic: Using a jpg image/camera pic as a map + onboard calibration  (Read 28629 times)

Offline InfX

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Well, obviously, this is may not be easy, but this forum dir is called a "wishlist", isn't it  ;)

How about using a jpg image from a camera (or any jpg image at all) as a map + letting the user calibrate it by marking a few known points while hiking ? This would allow one to take a picture of a map "in the field", for example, at the hiking trail entry, and use it straight away as a map.

PS: This is not a request, just a wish, a feature that would be really nice to have  ;)
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Offline marlar

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #1 on: March 21, 2011, 20:07:56 »
On my Nokia 6600 phone I had a few years ago, I had a program that was able to do this. So it is absolutely possible.
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Offline Menion

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #2 on: March 21, 2011, 20:28:03 »
hi,
  interesting idea but to be true - this feature use 1 user from 1000, maybe once per year :). So sorry, it's too much work for very little benefit ...
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Offline InfX

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #3 on: March 21, 2011, 21:16:15 »
Its not just possible, a program called "GPSTuner" on WM did that. I've only seen it long ago, though. But yea, as i already mentioned, it's just a wish. Kinda sounds like a bit too much work to implement, really. Still, isn't this directory called a "wishlist" ?  :D
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Offline Menion

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #4 on: March 23, 2011, 22:40:40 »
yes it is :) But not all wishes may come true, and this is one that will not.
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Offline golgot

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Create map from a picture
« Reply #5 on: April 13, 2011, 14:43:12 »
Long time ago, I used a similar product on Windows Mobile (don't remember the name) with a really nice function which enable to transform an image stored on the phone into a maps. It was only necessary to give 2 or 3 coordinates on the image and then I was able to use the map directly on the phone.
It it very useful for example when you're visiting a natural park with a map at the office, or when you want to use an old paper map without installing software on a computer.
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Offline marlar

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Re: Create map from a picture
« Reply #6 on: April 13, 2011, 15:59:43 »
I think it has been discussed before.

Anyway, +1 from me :-)
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Offline Menion

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Re: Create map from a picture
« Reply #7 on: April 13, 2011, 16:53:49 »
hey guys are you kidding :) this request was here once, as marlar say. I cannot find it now .. ah here viewtopic.php?f=13&t=377&hilit=map+camera

so merged
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Offline davr

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #8 on: July 26, 2011, 07:20:54 »
There's a couple apps on the android market that claim to do the map calibration on-phone from a picture. Some free ones even:

https://market.android.com/details?id=c ... Calibrator
https://market.android.com/details?id=c ... ika&rdot=1
https://market.android.com/details?id=c ... rch_result

Probably don't have all the features of locus, but if you want this one particular thing it might be good.
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Offline Ferretty

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #9 on: July 27, 2011, 23:42:34 »
Did you check if any of those is capable of exporting the calibrated map for use with Locus? From the descriptions, it does not look like  :(
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Offline gemeenaapje

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #10 on: September 20, 2011, 23:15:38 »
+1 from me.  Really need to scan an aviation chart and set my coorinates on it then export to Locus readable format
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Offline Khaytsus

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #11 on: October 02, 2011, 21:53:01 »
Quote from: "davr"
There's a couple apps on the android market that claim to do the map calibration on-phone from a picture. Some free ones even:

https://market.android.com/details?id=c ... Calibrator
https://market.android.com/details?id=c ... ika&rdot=1
https://market.android.com/details?id=c ... rch_result

Probably don't have all the features of locus, but if you want this one particular thing it might be good.
Maprika  works really well for this.  You can calibrate directly in the app against Google Maps.  I was at a large park here a few months ago, wife and kid were in line for something so I got on the tablet, googled a map, loaded up Maprika, spent about 10 minutes putting matching points and then I had a nice geo-calibrated map to use for the park.
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Offline Rob

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #12 on: October 03, 2011, 22:29:15 »
Maprika really worky well - thx for this info.
Question: how to import calibrated map into Locus?
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Offline femto

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Re: Re: Using a jpg image/camera pic as a map + onboard cali
« Reply #13 on: October 04, 2011, 09:39:12 »
Quote from: "Rob"
Question: how to import calibrated map into Locus?

Good question!

I've also a lot of self-calibrated maps.
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Offline krzysiekz

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Re: Using a jpg image/camera pic as a map + onboard calibrat
« Reply #14 on: October 04, 2011, 14:01:49 »
I tried scanned maps with locus, but most of then use custom datum and defined tm projection. When used with locus as tared map i've got wrong position. When used custom wpts map work terribly - when scrolled wpts moves on their own, changing position on map. So until locus could use oziexplorer datums and projections i'm using androzic (tb is nice, but need prepared maps).
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