Integrating 3D models with photography
Interested in integrating your 3D work with the real world? This might help
# 1 20-01-2003 , 07:58 AM
Join Date: Dec 2002
Posts: 123

2D with 3D animation?

I did an 2D animation for last years class and I want to refine it. Since the background really sucks on it, I want to take a 2d animation and put it in maya, so I was wondering. How do you delete the white background on maya (what i got circled), so i can put a 3d background on it.

# 2 20-01-2003 , 08:04 AM
Join Date: Dec 2002
Posts: 123
Heres part of the animation.

# 3 20-01-2003 , 03:15 PM
NitroLiq's Avatar
Join Date: Nov 2002
Location: New York
Posts: 2,133
I would just work in Maya first. Create the 3D background using a still shot from your 2D anim as reference, then render out each 3D frame with alpha channels(minus your reference image), then composite them in either After Effects for animation or Photoshop for a still. This would be fine for your animation if the background isn't moving....from the little animation clip's camera view, it seems only the character is moving.

As far as getting rid of the white. You'd save your original 2D animation (each image) with alpha channels first. Then in Maya, create a plane and in hypershade, create a material (blinn), and map its color to your image with the alpha. This might help you out a little. I'm not sure how you would do an entire animation, though.

If it were me, I'd bring one image in for reference, then build my background in maya, then render out the background with alpha channel, and composite in your program of choice.

Hope this helped some.

"Terminat Bora Diem, Terminal Auctor opus."
# 4 20-01-2003 , 04:22 PM
ragecgi's Avatar
Registered User
Join Date: Sep 2002
Location: Minnesota, USA
Posts: 3,709
Good one Nitro!

That's exactly how I would do that as well.

If your 2d "cells" are separate images, you might be able to get away with a batch process in Photoshop that kills the white bg from your 2d images, and resaves them with a new alpha.

Israel "Izzy" Long
Motion and Title Design for Broadcast-Film-DS
# 5 20-01-2003 , 10:19 PM
Join Date: Dec 2002
Posts: 123
Thanks for the advice Nitro. I'll try it out.

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