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Topic: Where was this picture taken (Read 2680 times) |
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balakrishnan
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I had gone to some place a few months back. Can you find out where this picture was taken (based on the incomplete distances)?
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towr
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Re: Where was this picture taken
« Reply #1 on: Dec 25th, 2008, 3:28pm » |
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I could probably write a program to find the best fitting coordinates, and then look those up on google. (I could possibly write an application using the google maps api, but that'd be rather more bothersome.)
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Eigenray
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Re: Where was this picture taken
« Reply #2 on: Dec 25th, 2008, 5:52pm » |
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Somewhere near Brisbane, I guess.
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balakrishnan
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Re: Where was this picture taken
« Reply #3 on: Dec 25th, 2008, 7:08pm » |
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on Dec 25th, 2008, 5:52pm, Eigenray wrote:| Somewhere near Brisbane, I guess. |
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Correct!  and the river behind happens to be Brisbane river
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towr
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Re: Where was this picture taken
« Reply #4 on: Dec 26th, 2008, 3:49am » |
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Here's a usable google map application I've found that let's you draw circles with a given radius from a given point (but just one unfortunately).
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| « Last Edit: Dec 26th, 2008, 3:50am by towr » |
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TenaliRaman
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Re: Where was this picture taken
« Reply #5 on: Dec 26th, 2008, 6:39am » |
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on Dec 26th, 2008, 3:49am, towr wrote:| Here's a usable google map application I've found that let's you draw circles with a given radius from a given point (but just one unfortunately). |
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Actually, even this was extremely useful. Using johannesburg and los angeles as centers, one can get a fair estimate of the region in australia (infact its a very narrow region).
-- AI
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Grimbal
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Re: Where was this picture taken
« Reply #6 on: Dec 26th, 2008, 7:02am » |
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Except that the diameter of our Earth is around 12'700 km, so 16'000 km from any city would not be anywhere on the planet. 
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| « Last Edit: Dec 26th, 2008, 12:59pm by Grimbal » |
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TenaliRaman
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Re: Where was this picture taken
« Reply #7 on: Dec 26th, 2008, 7:40am » |
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I was assuming geodesic lines instead of straight lines 
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towr
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Re: Where was this picture taken
« Reply #8 on: Dec 26th, 2008, 2:49pm » |
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on Dec 26th, 2008, 7:02am, Grimbal wrote:| Except that the diameter of our Earth is around 12'700 km, so 16'000 km from any city would not be anywhere on the planet. |
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Yeah, but space is curved.
And so is our planet 
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Grimbal
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Re: Where was this picture taken
« Reply #9 on: Dec 26th, 2008, 3:18pm » |
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Oh, I see. That would also explain why the arrows don't point downwards.
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TenaliRaman
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Re: Where was this picture taken
« Reply #10 on: Dec 27th, 2008, 12:08am » |
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I don't think that would explain the non-existence of down arrows. Apparently, whosoever designed them, wanted it to be functional enough to enable people to atleast walk in that direction (not necessarily reach the destination)
Though, one can think of arrows floating in the air (in future) visible from miles away. In which case, the downward arrows can point to the current location.
-- AI
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towr
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Re: Where was this picture taken
« Reply #11 on: Dec 28th, 2008, 9:22am » |
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on Dec 26th, 2008, 3:49am, towr wrote:| Here's a usable google map application I've found that let's you draw circles with a given radius from a given point (but just one unfortunately). |
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I found out you can keep a circle permanently if you drop javascript:alert(circle=null) in the locationbar.
So here's a puzzle for you. I'm at an equal distance (just about) from Batman (!) and Beirut and also at equal distances from Timimoun and Kazan; what are the two distances (in kilometers)?
And yes, I picked the distances first, which is why I was so amused to have found Batman there and decided to post it.
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| « Last Edit: Dec 28th, 2008, 9:26am by towr » |
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TenaliRaman
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Re: Where was this picture taken
« Reply #12 on: Dec 28th, 2008, 11:08am » |
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on Dec 28th, 2008, 9:22am, towr wrote:So here's a puzzle for you. I'm at an equal distance (just about) from Batman (!) and Beirut and also at equal distances from Timimoun and Kazan; what are the two distances (in kilometers)?
And yes, I picked the distances first, which is why I was so amused to have found Batman there and decided to post it. |
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3000 and 2500 kms resp. ??
-- AI
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towr
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Re: Where was this picture taken
« Reply #13 on: Dec 28th, 2008, 12:04pm » |
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Oh, come on, surely I'd pick more interesting distances; you can probably guess them outright
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SMQ
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Re: Where was this picture taken
« Reply #14 on: Dec 29th, 2008, 6:16am » |
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on Dec 28th, 2008, 12:04pm, towr wrote:| Oh, come on, surely I'd pick more interesting distances; you can probably guess them outright |
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Well, given that statement and TR's guess, I'll go for 3141km and 2718km without looking at a map. 
--SMQ
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towr
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Re: Where was this picture taken
« Reply #15 on: Dec 29th, 2008, 7:00am » |
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on Dec 29th, 2008, 6:16am, SMQ wrote:| Well, given that statement and TR's guess, I'll go for 3141km and 2718km without looking at a map. |
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Yup (well, 3142km in the first case, of course; you need to round properly.)
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| « Last Edit: Dec 29th, 2008, 7:01am by towr » |
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TenaliRaman
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Re: Where was this picture taken
« Reply #16 on: Dec 29th, 2008, 10:50am » |
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on Dec 28th, 2008, 12:04pm, towr wrote:| Oh, come on, surely I'd pick more interesting distances; you can probably guess them outright |
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on Dec 29th, 2008, 6:16am, SMQ wrote:
Well, given that statement and TR's guess, I'll go for 3141km and 2718km without looking at a map.
--SMQ |
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D'oh!
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Noke Lieu
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Re: Where was this picture taken
« Reply #17 on: Jan 13th, 2009, 8:05pm » |
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on Dec 26th, 2008, 3:18pm, Grimbal wrote:| Oh, I see. That would also explain why the arrows don't point downwards. |
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hey that would be kinda of fun.
I'll see if we can buold one for our science centre. Just a nice alternative.
The difference in angle, though, bewteen London and say... Paris... would notbe particulary large.
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| « Last Edit: Jan 13th, 2009, 8:06pm by Noke Lieu » |
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