Grasshopper

algorithmic modeling for Rhino

Some more Iso-Surface+Reaction diffusion, now coupled with the Rhino Anaglyph display.
Still interested in making it work only with GH (http://www.grasshopper3d.com/forum/topics/stereoscopic-analglyph-images-from-gh?xg_source=activity), and not having to bake into Rhino for this to work.

Its a bit trippy - especially if you have the classic Red/Blue anaglyph glasses :)

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Comment by Jens Pedersen on May 20, 2016 at 10:54am

That sounds about right :) 

Comment by Pieter Segeren on May 20, 2016 at 9:51am

Of coarse I'm using my red/cyan glasses Jens...
Yes, that's exactly what I meant/did. I didn't check, but I believe it's a composite image of two camera's, about 6.3 cm apart (average distance between human eyes (well, the pupils)).

Comment by Jens Pedersen on May 20, 2016 at 9:38am

I did this:

If that is what you mean?

But yes it is definitely fun, and I to get quite dizzy looking at it for an extended period of time... That being said its nicer when you have the glasses on :) But as you say it is not much more then a gimmick(or at least for now)
 
Anyway because of this distortion of the different parts, makes me believe it requires some destortion of the geometry/viewport/camera... 

Comment by Pieter Segeren on May 20, 2016 at 8:10am

I noticed that the gumbal was looking very strange indeed (like in your img1), and I got the strange rectangle happening too when dragging (like in img2).  
Did you create a new DisplayMode with "use anaglyph glasses" option, so it appears in the ViewportTitle context menu? That way it's easy to switch to and from it.
I tend to see this Anaglyph DisplayMode as a gimmick, because I only save some screencaps with is, and watching them is making me dizzy very quickly. Still, it's a fun option.

Comment by Jens Pedersen on May 20, 2016 at 7:13am

@Pieter: This is what I was mentioning before, in img 1 I have simply selected the geometry, and you can see how distorted the Widget is, and in img2 I am snapping to the geometry in order to move it. And as you can see it doesnt quite add up :\

Secondly if you use the anaglyph pipeline it some times fucks up your rhino file and you cant preview things regularly, even when turning it of... 

Comment by Jens Pedersen on May 20, 2016 at 7:11am

img 2

Comment by Jens Pedersen on May 20, 2016 at 7:11am

Img1:

Comment by Jens Pedersen on May 20, 2016 at 7:05am

@Pieter: thank you.

There are some settings you can play with in the rhino pipeline to make the level of depth 3D more "severe", which I am yet to play with. 

You might be right, I formed some conclusion based on the wonderful information provided by Paul Burke : http://paulbourke.net/stereographics/stereorender/

Where ,too me, it seems that you have to project geometry onto a plane. 

Secondly if you try and make the stereographics work in Rhino, you will notice that your geometry gets distorted - so I thought I had to go down this path :) I will post the same question on the Rhino forum over the weekend, too see if I can get some information as to how they have done it. 

@Nik: ??

Comment by Pieter Segeren on May 20, 2016 at 5:01am

That's cool Jens, I thought your question earlier this week was interesting too, but unfortunately I couldn't answer it. It'll work even better if you place some more objects in the scene at different distances/depths (or just show the grid) and make sure the main geometry won't get clipped by the video bounds.
I don't think the geometry should be morphed into warped/bend geometry like in your gh file though, or?

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