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2008-11-06

C3 Maps: Realistic City Models - Perhaps the Best 3D City so Far?

We met with the nice people at C3 last week and they kindly provided a walk through of their latest city modelling technology and its impressive:



The movie above provides a glimpse of the output which interestingly is not dependent on LiDAR. C3 capture the data using calibrated cameras that for every picture knows the positions at angles of capture at a high precision. This enables each pixel to have a known geographical position with decimeter accuracy and thus using a combination of images a 3D model can be produced.

The company has just released their Oslo model and it is well worth taking a look at.

See http://kart.sesam.no/3d/ for a 3D flythough (Windows only at the moment) and http://www.c3technologies.com for more info.

Thanks go to Frank at the Google Earth blog for the email prompt to put up a post on it :)

3 comments:

  1. Anonymous9:57 PM

    Read their blog entry about their new 3D service in english here: http://labs.finn.no/blog/sesam-3d-map-3d-revolution-people

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  2. Anonymous5:56 AM

    That is TRULY impressive. I knew that a technique like that would be a reality eventually just wasn't expecting it so soon. Wow.

    Google oughta contract them to do N.America or buy 'em out.

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  3. Well, go and get some example data. You will see that it is very nice from a birds eyes perspective, but if you go closer you will see that the geometry is by far not that accurate as it looks like. Nevertheless I like that the vegetation is also represented in 3d, which really makes a big difference!
    With respect to Google and North America - have a look at: http://pictometry.com/government/product_3d.shtml - I have seen several examples at the URISA conference in New Orleans. I think their (building) models are very impressive!

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