3 ms·
Stereogram Tutorial (2020)
- robertclaus 2y agoI had never heard of SIRDS before. That's a very cool way to potentially show stereograms to folks that struggle to see them!
- gilleain 2y agoSeems like this wiki page has some of the same example images: https://en.wikipedia.org/wiki/Random_dot_stereogram https://en.wikipedia.org/wiki/Random_dot_stereogram
- OldGuyInTheClub 2y agoTakes me back to organic chemistry classes decades ago where molecules were often printed in stereo pairs to break out of 2D thinking about 3D structures. One could use special glasses or train the eyes to see them. The latter method had the risk of getting left/right reversed which is a big deal when looking at chiral molecules where "handedness" is critical.
- gilleain 2y agoScientific papers use (still?) stereo images, for example those made using ORTEP: https://www.umass.edu/molvis/francoeur/ortep/ortep.html https://www.umass.edu/molvis/francoeur/ortep/ortep.html although seeing something like an alfa-helix as 3D might require some familiarity with the structure in the first place!
- OldGuyInTheClub 2y agoThanks for the pointer! I haven't followed the chemistry/biochemistry literature for years. I just assumed that 3D visualizations would have taken over.
- afandian 2y agoI have had a burning question about these since forever. Why do e.g. the Magic Eye books use divergent, not convergent (i.e. crossed-eyes) types? I find it much easier to control position and focal length when crossing my eyes. I wonder about others' experiences.
- blonky 2y agoThat's my experience. I have to trick my eyes to see it in 'divergent' mode. But all I have to do is cross my eyes and I can see the image. Although, I would see shapes sinking into the page not popping out.
- mp187 2y agoDivergent mode is much easier for me. I just unfocus my eyes (the same muscle that blurs them).
- afandian 2y agoI can easily diverge, but I then can't control focus. Do you see the stereograms in focus?
- dameyawn 2y agoThis can be practiced! I was super into stereograms years back and have decent control now (not intentionally but happened naturally). Can slightly diverge to see smaller/far-away images or maximally diverge for the bigger/close-up images.