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John Knoll on CGI, Tron And 25 Years of Change

StonyandCher writes to tell us John Knoll, visual effects supervisor at Industrial Light and Magic, is using the 25th anniversary of Tron as a platform to look back at the last 25 years of visual effects. "The type of imagery that was possible to create at the time was very clearly computer generated; it wasn't going to fool anybody into thinking it was live action. That was a limitation of the technology that worked very well within the story, that fit right in and made a lot of sense: if you're telling a story about events taking place inside a computer, inside a big virtual environment, what techniques should you use? Parts of the film were done by shooting live action then doing rotoscope and other optical techniques over the top of it, but the stuff that really looked cool and stood out was the stuff that was computer generated."

15 of 194 comments (clear)

  1. Tron - box office flop by Silver+Sloth · · Score: 4, Insightful
    From TFA

    Yet despite the film's brilliance, it was a box office flop. Why was that?

    I'm sure it's not because of the technology involved. I don't know -- maybe the story didn't grab people, or they felt like it was too juvenile. I'm not sure, but I'm pretty sure it wasn't technique-related. It was because, underneath the brilliant technology, it was pretty standard Disney fare. The Disney audience didn't appreciate the technology and those that did wanted better writing. After all, we were used to sci-fi of the Star Trek standard where the quality of the writing overcame the poor effects.
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    1. Re:Tron - box office flop by Ucklak · · Score: 4, Insightful

      Wendy Carlos' soundtrack is highly memorable. Moreso than some of Jerry Goldsmith's or Alan Silvestri's scores.

      Especialy those who played the game, who can't hum the tune of the
      -coin insertion
      -the MCP cone
      -the spider sequence (which had about 4 seconds of screen time in the movie)
      -game over

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    2. Re:Tron - box office flop by Silver+Sloth · · Score: 4, Insightful

      I've already been through this - Star Trek, the TV series, was written in part by award winning Sci-Fi writers with an established track record. Tron was written by Disney studio hacks who have nothing of any merit to their name, especially in Sci-Fi.

      Ok, so opinions vary over the quality of the writing but, objectively at least, Star Trek has the better pedigree.

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  2. Re:Now, by jshriverWVU · · Score: 4, Insightful

    Agree digital effects and rendering should be used as a tool to help the story, not a story to push rendering. I watch a lot more Japanese and British content now a days because a lot of the junk being pushed out of hollywood is nothing but CGI foreplay, used to please the eyes and dim the brain with no real content.

  3. Re:Tron by iggymanz · · Score: 4, Insightful

    why remake it, the early 1980s special effects fit into the story very well, nothing really would be gained by more eye candy. Kind of like the silly addition of useless enhanced special effects to Star Wars, did nothing for the movie.

  4. Not quite there yet! by TheBearBear · · Score: 5, Insightful

    The grpahics may have changed and look better, but the physics and implementation are still awful. When I see spiderman swing, he just falls too fast and the swing doesnt look natural with the cgi (like, his body doesnt react or stiffen to the G-force).

    And when Cgi characters jump off something and land on the ground, most of the time it doesnt look natural. I mean, are they even using earth's gravity acceleration of 9.8 m/s2????

    Seriously, look at the scene from the first movie where Peter jumps from building to building. it doesnt look naturally he's falling too fast, and when he lands, the way his body looks when he lands just doesnt look natural. looks as if he just fell 3 feet. his body should have crouched/sunk more.

    1. Re:Not quite there yet! by tinrobot · · Score: 4, Insightful

      When a character looks real, your brain expects it to move realistically. We look at humans all day long, so we know exactly how humans are supposed to move. If the animation is off by even a little bit, the brain knows something is amiss and we stop believing the character is real.

      When a character is stylized, the audience suspends it's expectations. How exactly does a character like Bugs Bunny move? We don't know because we've never seen anything like that in real life. So, the good people at Warner Brothers show us how Bugs Bunny moves and we accept it as reality.

  5. CGI... by ratpick · · Score: 5, Insightful

    Has ruined far more movies than it's improved. When used discretely and where necessary to the story it is fantastic tool. But in too many movies the creators have reveled in their ability to create more and more spectacular stunts and made a movie that showcases CGI talent instead of one with an interesting and well told story. Think the dinosaurs in "Jurassic Park" versus the infamous Jar Jar Binks. One was done very well and effects were used in such a way as to cover the inadequacies of CGI (which are still present today), while the other--well, not so good.

    1. Re:CGI... by CrashPoint · · Score: 2, Insightful

      Poor example. Jar Jar was an extraneous, poorly-conceived character and would have dragged the film down just as badly were he a rubber suit instead of a CGI toon. CGI didn't ruin Episode 1, bad writing and direction did.

  6. Re:So what were the milestones by hondo77 · · Score: 2, Insightful

    I'll toss out a few more:

    • Star Trek II: The Wrath of Khan
      That Genesis sequence was quite an eye-opener.
    • Beauty and the Beast
      The ballroom scene, while not technically so amazing, raised public awareness of CG in movies.
    • Jurassic Park
      After seeing this, I thought effects shouldn't matter anymore because now anything was possible. It still bothers me when people talk about the great CG effects in a movie. Who cares (except for Sin City...and Sky Captain...and 300 :-)? How was the movie?
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  7. Re:Now, by Anonymous Coward · · Score: 1, Insightful

    Back then, they said the same thing about the movies made in a previous "back then". And they'll say it again about today's movies twenty years from now. And they were, and will be, just as full of crap as you are now. There is no magical bygone Golden Age for movies, or any other medium.

  8. Re:Tron by Rob+T+Firefly · · Score: 2, Insightful

    If you like the original so much, why would you need a remake?

  9. Re:And passed over for an Academy Award... by Matt+Perry · · Score: 2, Insightful

    So what? Awards are meaningless. It's still a good movie whether it wins one hundred awards or zero.

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  10. Re:CGI, what's that. by milatchi · · Score: 1, Insightful

    The reason we (the Television and Film people) use CGI for Computer Generated Imagery instead of CG is because in Broadcast "CG" is generally associated with Character Generator.

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  11. Re:Tron Remake ---The Matrix by Geekbot · · Score: 3, Insightful

    I thought of this when reading the article when they asked Knoll about a remake. Remaking Tron would be impossible. Tron was something that really marked its time. Part of the magic of the movie was the era. It was a great movie, and the concept and graphics marked it's time well.

    A rethinking of Tron is really the Matrix. Both concepts hinged on a person trapped in a computer and having to overcome the 'evil' technology that was abused in some way and returning it to human control. The Matrix is the natural evolution of Tron. Instead of a nice resolution where man gained control of the technology, in The Matrix control was never restored but man worked out a truce with machine. We've come from a place where we were unsure about the role of computers in the future to a time where we anticipate their power and understand that the genie doesn't go back in the bottle.

    Both were masterpieces of their time that captured a culture's fears and anticipations of technology with cutting edge computer generated graphics which set the tone for the setting of the movie.