Forum

3d projection mapping

vvvv beta question
#1

Hi,

Im need to make a projection mapping animation like this one-

‏http://www.youtube.com/watch?v=NAYgFtJAPro&feature=youtube_gdata_player

That is- 3 projectors that make it seem like its in 3d from the render point of view

The animation is ready in maya.

I need thes by june- its for my final projects in school to get my architectures degree

Please help!!!

How do i do this?
Is there a patch for this kind of projection mapping?

Yael@kaufmanweb.net

#2

have a look at this this tutorial and also be sure to look into this one. both are very nice and should be good starting points.

#3

To be honest, since it is filmed from the exact point as where the beamer is, I doubt it is 3 projectors, but just 1, and than they just masked out the roof. That is why I hate these “on a tripod” recordings for object mapping.

Anyway, if you are sure it is 3D, and if you know your 3D software, try to model the room where you project in/on and read here: how to project on 3d geometry

#4

also check out GridEditor and PointEditor. you can distort a texture via dragging and dropping points. its a fast way of doing projection mapping without calculating anything. just do it for all three projectors separately.

good luck with the thesis :)

#5

link | edit | Flag this reply as a solution. guest 10/05/2013 - 15:52
Thanks!

Ill take a look at them.

Is there someone here how can help me with my projects - for pay obviously.

#6

hey guest, I normaly do not play the admin but a single username and a single thread would make everything way more easy for you and us :)

#7

Sorry. I posted the other thread by mistake

#8

Hi again,

I made slight progress on this project, and I tried to read the suggested tutorials.
I’m trying to do the projection on 3 surfaces using 1 projector. I’m having problems on how to project on the 3 surfaces. I’m using grideditor to project a 3d model on a wall corner.

currently I can’t make the projection to look right from the viewer point.
I’m sure there is a simple solution, but I need it ready in a matter of days for the arch. degree final project.
As I’m new to VVVV, I’ll appreciate if someone would agree to send me his/her mail/skype (also a time when it’s OK to call of course) so I can call and ask a few questions for a simple resolution of the probelm… :-)
my mail is: yael@kaufmanweb.net

Thanks a lot!!!

#9

Hi,

From what I understand, there is no need to do 3d mapping for this.

You just need to display 3 videos in sync in 3 quads that are distorted to fit the surfaces.

Try this:

  • Save the animation in 3 different video files for the 3 surfaces
  • Open the file that I uploaded, show the renderer in fullscreen on a projector facing your surfaces while you see the patch on your monitor/laptop
  • Play around with the transform pins and the distortion pins till the 3 quads perfectly fit the 3 surfaces
  • Play the 3 videos in the 3 quads. You can use ‘VideoTexture’ to do that.

Let me know if that works or why it doesn’t

distortedQuads.v4p (34.9 kB)

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