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PostPosted: Tue Mar 29, 2011 9:22 am 

Joined: Tue Mar 29, 2011 9:16 am
Posts: 31
Check out agisoft.com photoscan.. great way to get a 3d model of your body..

if you can do that then you combine it with ipisoft and you have motion capture 3d model of yourself..

Anyone try this ? Its the most fun software I have played with in a long time

http://www.agisoft.ru/products/photoscan/


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PostPosted: Tue Mar 29, 2011 12:21 pm 

Joined: Thu Sep 09, 2010 5:48 pm
Posts: 82
Their are two problems with using such software.

1) People can't stay perfectly still to take the 20 or so pictures needed.

2) If I use my 6 PS3 cameras, their not 5 mp, nor the amount of cameras needed to get a good render.

If I setup IPI recorder a get 6 pictures at the same time it might be enough to get a render 3d model that is a halfway decent starting point. but I wouldn't expect much.


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PostPosted: Tue Mar 29, 2011 5:00 pm 

Joined: Tue Mar 29, 2011 9:16 am
Posts: 31
well so far can't find any better way to get a model of a head of complete body under $5000 except this.

I may buy both. Have to see how ipisoft comes along with the kinect and multiple kinects


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PostPosted: Tue Mar 29, 2011 6:43 pm 

Joined: Mon Aug 03, 2009 1:34 pm
Posts: 2423
Location: Los Angeles
The problem with 3D scanning, even at the high end, is that you wind up with incredibly dense geometry that doesn't lend itself to animation very well. I know here where I work, we always retopologize 3D scans to create an efficient mesh that has good polygon flow, crucial for getting nice deformations in animation.

A better option, if cost and simplicity is a concern, is to shoot photos and then simply map the images as textures on an existing mesh. You can use Poser or the free MakeHuman programs to shape a mesh close to the desired figure and features.

If you can model or sculpt and want to spend more time, use a program like 3D-Coat to model a mesh based on photographs. You can project the photos directly on the mesh in 3DC while painting it...an awesome feature. 3DC even has a nice sculpting feature called Voxel Sculpting, which is a lot like working with clay, and you can easily retopo the sculpt into a usable mesh (3DC has robust auto- and manual retopo tools that rea easy to use.) You may also use Mudbox or ZBrush to do the same; I prefer 3DC because IMO it's less expensive, has more features, and is easier to learn. But all three programs are very capable and used in the gaming and film industries.

Bear in mind that it's not enough to just have a model; you'll also need to rig and weight it, which you cannot do in any of the programs described above. But that's a whole other topic.

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PostPosted: Tue Mar 29, 2011 6:53 pm 

Joined: Tue Mar 29, 2011 9:16 am
Posts: 31
I am doing this all for fun.. there is a easy ways to reduce polygon count.

I have been using make human .. that is nice.. hopefully they will come out with a 'map you face to object' feature .. theres been a couple programs to do that.


Greenlaw wrote:
The problem with 3D scanning, even at the high end, is that you wind up with incredibly dense geometry that doesn't lend itself to animation very well. I know here where I work, we always retopologize 3D scans to create an efficient mesh that has good polygon flow, crucial for getting nice deformations in animation.

A better option, if cost and simplicity is a concern, is to shoot photos and then simply map the images as textures on an existing mesh. You can use Poser or the free MakeHuman programs to shape a mesh close to the desired figure and features.

If you can model or sculpt and want to spend more time, use a program like 3D-Coat to model a mesh based on photographs. You can project the photos directly on the mesh in 3DC while painting it...an awesome feature. 3DC even has a nice sculpting feature called Voxel Sculpting, which is a lot like working with clay, and you can easily retopo the sculpt into a usable mesh (3DC has robust auto- and manual retopo tools that rea easy to use.) You may also use Mudbox or ZBrush to do the same; I prefer 3DC because IMO it's less expensive, has more features, and is easier to learn. But all three programs are very capable and used in the gaming and film industries.

Bear in mind that it's not enough to just have a model; you'll also need to rig and weight it, which you cannot do in any of the programs described above. But that's a whole other topic.


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PostPosted: Thu Mar 31, 2011 8:58 am 

Joined: Fri Apr 17, 2009 2:45 pm
Posts: 44
I use a program called 3dCoat. you can import dense mesh models, convert them to a solid voxel volume, clean it up a bit (optional), and then auto-retopo with guidelines. slick as snot.... when it works right. I have not had the need to use many 3d scans yet but may in the near future.

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PostPosted: Thu Mar 31, 2011 9:59 am 

Joined: Mon Aug 03, 2009 1:34 pm
Posts: 2423
Location: Los Angeles
GR1F1ThH wrote:
I use a program called 3dCoat...slick as snot.... when it works right. I have not had the need to use many 3d scans yet but may in the near future.

Yes, 3DC is pretty awesome! I use it at home and at work, and like iPi Studio it's one of those programs that just keeps getting better thanks to hard working developers who pay a lot of attention to their customers needs. It's easy use and every time I run the program, I learn a new trick or two that helps me get my work done faster.

FYI, for voxel sculpting in 3DC you definitely want a CUDA enabled nvidia card; my tablet PC has ATI and it's annoyingly slow when voxel sculpting compared to the realtime response on my desktop with the nvidia card. For everything else in 3DC, ATI graphics seems pretty good though.

G.

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Artist/Partner - Little Green Dog | My Demo Reels (2013,) (2015,) (2017,) and (2019)
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PostPosted: Thu Mar 31, 2011 7:46 pm 

Joined: Sun Aug 02, 2009 10:57 am
Posts: 107
I ran across this program that generates faces from photographs.

http://www.facegen.com/

I have no idea how well it works, but ... it sounds interesting!!


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