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matrix phone transport thing

Posted: Mon, 9th Sep 2002, 6:12pm

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wpl

Force: 1782 | Joined: 17th Jul 2002 | Posts: 1389

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can smeone make a plug-in that makes the little lines that go over a person when the get tansported through the phone lines in the matrix


i was thinking u could just make it as a box with random moving lines and u could mask out the space around the persons body, if that makes sense

this site explains it but i don't understand it.......it might help

http://home.netcom.com/~jskipper/mj/effects.html
Posted: Mon, 9th Sep 2002, 6:31pm

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b4uask30male

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Can someone see if that link works, i can't get through
Posted: Mon, 9th Sep 2002, 6:35pm

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Andreas

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it works!
Posted: Mon, 9th Sep 2002, 10:51pm

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paulpeach

Force: 280 | Joined: 5th Jul 2002 | Posts: 40

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I would definitly like that effect! lol I will try to work on it, but I am still fairly new at all of this so if anyone else wants to give it a try go right ahead cool
Posted: Tue, 10th Sep 2002, 2:43am

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wpl

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Thank-you that would be great! Maybe you could explain it to me a little if you get it to work!
Posted: Tue, 10th Sep 2002, 7:02am

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b4uask30male

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I still cant get throw on that site, anyone know of another site that show the same stuff. ?
Posted: Tue, 10th Sep 2002, 7:22am

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patrickmagic

Force: 75 | Joined: 21st Sep 2001 | Posts: 74

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Rating: +2

I coppied the page for you:

This effect is basically just fading in Jim and Brandy as they step away from the phones, then adding a bunch of crawling blue lines over their bodies. The hard part is (1) making the blue lines appear only over Jim and Brandy, and (2) making the blue lines seem to curve around their bodies kinda.

1. The clip was exported from Premiere as a sequence of numbered stills, then each still was opened in Photoshop (LE) and manually traced with the polygonal lasso tool to create a collection of white-on-black masks. You can view a movie of those masks by clicking here. The masks quiver a lot, and that looks bad, but when they are used to mask the blue crawling lines, the flaw becomes much less noticeable.

2. A custom program was used to generate a large number of randomly positioned, randomly angled, crawling blue lines, and mask them onto the fade-up sequence using the white-on-black masks. However, the resulting effect looked too "flat", so we decided that it had to appear to curve around the subjects' bodies.



The above illustration shows how that is done. Each point in the target image would normally just be tested against each of the crawling blue lines to see if it needs to be blue. But instead we will distort the position of each test point first. In the diagram, the black dot represents a typical test point inside the mask (the grey area). The area inside the black circle is scanned, and the average X,Y distance of mask points is calculated -- represented here by the black arrow. This vector is reversed (as depicted by the red arrow), and the point it lands on (the pink dot) is used as our test point, instead of the black dot. This has the effect of squeezing the lines in at the edge of the masks, more severely where the vector is strongest (near the edge of the mask), and less so for points which are further from the edge of the mask. Points which are nowhere near the edge of the mask (the blue dot, for example) are not effected because the vector averages to 0,0.

Link to a MOV file: http://freeweb.pdq.net/smokin/enter_masks.mov
Posted: Tue, 10th Sep 2002, 10:56am

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b4uask30male

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Thanks patrick +1 helpfull
Posted: Tue, 10th Sep 2002, 12:18pm

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patrickmagic

Force: 75 | Joined: 21st Sep 2001 | Posts: 74

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razz WOW razz , thats my first Force point!

eeehm, lets have a party......??