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Photogrammetry fun :)

Posted: Tue Aug 11, 2015 10:31 pm
by mbetke
I have been in the woods today and caught some nice tree stumps which I threw onto Photoscan by Agisoft. I run the evaluation of the standard version at the moment and it works out really nice.
Maybe i will turn it onto a new model collection for game-devs soon or 3d printing too. Need to optimize some stuff.
Photoscan-2.jpg
Image was rendered with Octane for 3dsmax, some post-work in Photoshop and After Effects. Butterflies are 2D. Rendertime was four minutes or so, lighting with an HDR.

Re: Photogrammetry fun :)

Posted: Tue Aug 11, 2015 11:02 pm
by whersmy
exellent!

Are parts of the grass individually scanned? it looks convincing!

Re: Photogrammetry fun :)

Posted: Wed Aug 12, 2015 12:46 am
by Rikk The Gaijin
Very nice composition! 8-) Watch out for the texture stretches on the trunk ;)

Re: Photogrammetry fun :)

Posted: Wed Aug 12, 2015 5:57 am
by Elvissuperstar007
I see the grass. that the heat at least a month, too many butterflies gathered on a dry lawn.
it was not necessary to do it dry

Re: Photogrammetry fun :)

Posted: Wed Aug 12, 2015 7:56 am
by acc24ex
nice :)
check mine this photo scanned wall - loving this..

Image
also anyoone on tumblr?

https://www.tumblr.com/blog/robobear510

Re: Photogrammetry fun :)

Posted: Wed Aug 12, 2015 8:04 am
by mbetke
Rikk, is there a way to reduce stretches with Photoscan? I took tons of individual pictures close-up and different angles.

Re: Photogrammetry fun :)

Posted: Wed Aug 12, 2015 10:47 am
by Rikk The Gaijin
mbetke wrote:Rikk, is there a way to reduce stretches with Photoscan? I took tons of individual pictures close-up and different angles.
You need to remake the UVs for your object, then import it in Photoscan and reproject the texture with the "Keep UVs" option.
I never use the geometry from Photoscan as it is, because it's a mess of triangles. I always retopologize it and project the details. It's a bit of work, but the results are much better.