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Automaric GPS coordinates for geo-tagged photos ?

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Automaric GPS coordinates for geo-tagged photos ?

Postby visentin » Mon Jan 02, 2012 1:26 pm

Many modern cameras like the Sony HV9X have such feature.
Why not making SP work like websites like Panoramio, setting the pictures position identically as the position is recorded inside the picture file ?
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Re: Automaric GPS coordinates for geo-tagged photos ?

Postby visentin » Tue Jan 03, 2012 7:59 am

And so end, as very often, Site feedback posts. Always someone more clever mocking the idea, but rarely something constructive...
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Re: Automaric GPS coordinates for geo-tagged photos ?

Postby visentin » Tue Jan 03, 2012 2:39 pm

OK sorry for misunderstanding... I didn't get what you meant by HLL and I thought about some LOL-like stuff.
Yes, Exif data is the place where it is stored in. I ignored the bulk uploader manages it, however I did upload some recent pictures with exif data and the GPS coordinates point somewhere in USA.
I'm not one of the programmers of SP (however I wish I could try !), I think Montana Matt is the man for that as he implemented already the GPX routes features.
Eric
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Re: Automaric GPS coordinates for geo-tagged photos ?

Postby visentin » Tue Jan 03, 2012 5:52 pm

Yes, the uploading process would be the main goal of my idea.
My other idea behind the first would be to Geo-tag all already-existing pictures who do not own coordinates. I don't know how this action could be performed, probably as a background process, and probably very time-consuming. I would also depend on it the exif info remains present once the picture is uploaded on the cloud server, otherwise the idea can't be.
One simple way to test it without even being an elve could consist in uploading an exif-tagged picture, downloading it again in full size, and then uploading it on Picasa (which displays simply the coordinates). Going to try that as soon as I have time for my curiosity...
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Re: Automaric GPS coordinates for geo-tagged photos ?

Postby visentin » Thu Jan 05, 2012 8:35 am

The test is positive. Already uploaded pictures on SP do keep EXIF data in it.
My test :
http://www.summitpost.org/view_object.p ... _id=769474
once downloaded and uploaded again in Picasa :
https://picasaweb.google.com/1170460760 ... anvier2012
it does show the position
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Re: Automaric GPS coordinates for geo-tagged photos ?

Postby visentin » Thu Jan 05, 2012 7:56 pm

I need to try uploading the parrot with bulk uploader to check again (I did it with the site).
I meant, my previous experiment was just to verify if once uploaded the SP pictures keep the EXIF data. I was fearing some resizing or some resolution transformation in order to save space, which would mean one picture replaced with another then no exif. but it is not the case.
This means that if Matt and other programmers are implementing the exif reading during the upload (which they can do with the help of Michael despite Matt said it's easy), they can also consider extracting the right coordinates for all existing pictures without having any. But this would be a mass of data to process.. Perhaps those from a certain date (exif technology is recent) can reduce the amount of pictures to check.
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