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Subject: Anaglyph's


brycefreak ( ) posted Tue, 12 November 2002 at 5:29 AM · edited Tue, 19 November 2024 at 12:07 PM

file_31238.jpg

Anybody into Anaglyph's. Have been playing around with them and here is one, if any body has the glasses let me know what you think.


Rayraz ( ) posted Tue, 12 November 2002 at 9:30 AM

I tried it with red and green glasses. It does look a little more 3D but the color are lost when you use the glasses. Have you just shifted the camera a little or did you also change the view angle a little? I'd like to know the technique behind this.

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brycefreak ( ) posted Tue, 12 November 2002 at 11:12 AM

Yea you do lose some of the color when looking through the glasses, looks better as a .bmp and larger resolution. I got the technique from a tutorial that I printed out but dont have with me right now. Will see if I can find it again and post here. Pretty much just moved the camera slightly to the right, re-rendered, saved the two images and replaced the red channel in the first image with the red channel from the second image in photoshop. Does any one know if there are two different types of 3D glasses, Rayraz used red and green glasses while mine are red and blue? Wonder if it makes a difference.


Rayraz ( ) posted Tue, 12 November 2002 at 11:26 AM

This image seems to be slipt into red and green. There are also other images wich are split into red and blue. I think that's why there are 2 types of glasses. I don't know if there's any other difference.

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brycefreak ( ) posted Tue, 12 November 2002 at 11:35 AM
tjohn ( ) posted Tue, 12 November 2002 at 3:17 PM

file_31239.jpg

I've done this a few times, but nothing good enough to share. There is a "cross your eyes" method where you put your 2 images side by side and then cross your eyes until the two images overlap and make a third image in between. Pro: You retain all the color. Con: Some people get headaches when crossing their eyes for any length of time. This pic is a sample of what I mean.

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy


Rayraz ( ) posted Tue, 12 November 2002 at 3:20 PM

I only get the images halfway combined :( doesn't work for me.

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tjohn ( ) posted Tue, 12 November 2002 at 3:30 PM

By the way, both methods require that you move your camera left or right with the pan tools on the left of the screen, not the hand shaped pan tool at the bottom right. And when you composite your shots in a paint program, the left hand pic goes on the right side, the right hand pic goes on the left. Then as you cross your eyes, you are looking at the pic on the left with your right eye, and the one on the right with your left eye, fooling the brain into seeing in 3D. Two last things: 1. When you move the camera, keep in mind that the distance you move it is supposed to simulate the distance between your eyes. So don't overdo it or the images won't mesh correctly. 2. Try to move the camera to the right or left only, no up or down motion or this won't work properly. I've never tried moving the camera with the numeric values for camera position, but you could probably get a more precise movement that way.

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy


tjohn ( ) posted Tue, 12 November 2002 at 3:39 PM

Rayraz: Try moving away from your monitor a little. This could help a little. Also, a little of the left and right borders of the 3D pic will be fuzzy as that part is only on one of each of the 2 original pics. Some people put a dot above and below the exact center of each pic. Then when you cross your eyes you only have to make the dots overlap to be sure you're viewing the pic correctly. I should have done this, I guess. :^)

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy


Rayraz ( ) posted Tue, 12 November 2002 at 3:41 PM

Cool! it works!

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(")This is Bunny. Copy and paste bunny into your signature to help him gain world domination.


tjohn ( ) posted Tue, 12 November 2002 at 3:54 PM

If anybody likes this and would like to see more complicated versions, I would be happy to oblige. I would also be jazzed to see other people try this, too. Another drawback...You can't do any postwork, because you'd have to do it on both sides so it would match up perfectly. Hey, I just got an idea. You could render a Poser figure on one side, and then delete it when you render the other side. Wouldn't this create a great ghost effect?

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy


tuttle ( ) posted Tue, 12 November 2002 at 5:36 PM

Do you actually mean cross your eyes, or unfocus. The best method is to use two slightly different images - ie. the same objects rendered from slightly differing camera angles simulating views from L & R eye (about 3 degrees of pan, I think). Then just unfocus your eyes (not cross them) and the image snaps together into one image that looks totally 3D.


tjohn ( ) posted Tue, 12 November 2002 at 5:54 PM

As I experience it, it is actually crossing your eyes.

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy


bikermouse ( ) posted Tue, 12 November 2002 at 9:28 PM

I learned the cross your eyes method in structural geology and map interpretaion. you have to allow your vision to sort of blur and then cross a bit and then relax a bit.You also have to be at the right distance from the photos. I can do it still but it's easier when you're younger - took me about 15 seconds at three feet from my monitor on this one. it takes about five or ten minutes to do the first time. it works best when there is a small difference (< 15 degrees) between the pictures. there are viewers for this sort of thing but I imagine that they're expensive. - TJ


EricofSD ( ) posted Tue, 12 November 2002 at 9:35 PM

ah, 3d in 3d. I played a bit but don't have the special wowie zowie glasses to test the images. Its on my Christmas list.


Stuie ( ) posted Wed, 13 November 2002 at 12:36 AM

Attached Link: http://www.ComGraph.com

file_31240.jpg

Probably the best way to get the best imaged 3D would be to do the images as a lenticular. I've been doing this for the last two years, using my Bryce images. Been selling the 3D pieces to stores and in art shows. The only drawback is that it's a bit expensive to have them mastered at this time. With the anaglyphs, your basically using one image but shifting the channels. With a lenticular, your actually imaging out several renders while moving the camera parallel to the scene. The big advantage is that you don't need to cross your eyes or have anything additional but your own eyes. Another thing is that when you tilt the image side to side, you can actually see the scene behind the front object like you would when looking at real objects and move side to side.

By the way, the 3D scenes are imaged unto a photographic print and then the lenticular sheet is applied. If anyone is interested in seeing what I've done, I might be able to work out a special price for the R'osity crowd here. In a few weeks, I hope to start to work in MojoWorld to see what kind of 3D worlds I might produce. The coolest thing about these scenes, when you put your finger into the image, it really looks like it goes into it, passing the front most objects in the scene.

The scene you see here is my most popular scene because of the colors and the number of objects that give it a lot of depth. To date, I've sold almost 200 of the coral 6x4 prints and almost 20 of the 14x 11 prints. I just sent my newest rendered scene that's another coral scene with sea turtles in to get mastered today, and hope to see the results next week.


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