April 5, 2011 by Sean Ferguson
My Tron: Legacy coverage continues with an interview with Steve Preeg who served as the Head of Animation for Tron: Legacy. You may not be familiar with his name, but you are familiar with his work, as he previously created digital characters for movies including “The Lord of the Rings: The Two Towers,” “The Lord of the Rings: The Return of the King” and “King Kong.” He recently received an Oscar for achievement in visual effects on “The Curious Case of Benjamin Button,” and prior to joining Digital Domain, his earlier credits include “Pirates of the Caribbean: At World’s End,” “Flags of Our Fathers” and “I, Robot,” among other films.
Q – What was the hardest part of the animation in Tron: Legacy?
Steve Preeg: For sure the hardest part was Clu, bringing a human being to the screen has long been considered impossible in CGI, as humans are very used to looking at other humans faces. Avoiding what is known as the uncanny valley is what we all face in this industry in regards to this type of work.
Q – What was it like working with a first-time director like Joe Kosinski contrasted with working with a veteran like David Fincher?
Steve Preeg: They are both great filmmakers. With David you expect him to give great direction and explain exactly what he wants, and he does. As a first time director, I was amazed at how similar Joe was to David. Joe is very clear on what he wants, he had everything in his head of what he wanted. This was a really tough movie to direct for even a seasoned film veteran and Joe took it in stride more than I think anyone thought possible, plus he had a baby right in the middle of production. He is an amazing guy, I would love to work with him again
Q – Will there be a sequel and if there is will you be involved in it?
Steve Preeg: I haven’t heard for sure one way or another if there will be a sequel, but it would be a great opportunity to work on it if they do make one.
Q – Was the process similar in Tron: Legacy working on de-aging Jeff Bridges as Clu 2 to the aging effects applied to Brad Pitt in Benjamin Button?
Steve Preeg: There was a lot of similarities as far as the work at Digital Domain itself, the main difference was on the acquisition of the data. With Button we captured Brad Pitt months after principal photography, but Jeff Bridges wanted to be captured on set in the moment which required us to come up with some new hardware as well as software to deal with the difference in the data we were receiving here at Digital Domain
Q – Will you be involved with the animated series “Tron: Uprising” at all?
Steve Preeg: At this time I haven’t heard anything about being involved.
Q – What was the biggest challenge in making Tron: Legacy?
Steve Preeg: For me personally it was just trying to live up to the legacy of the original Tron. That film started the industry in which I work and is kind of considered holy ground by many of my peers, there was a lot of pressure to not screw it up 
Q – What in particular are you the most proud of in terms of pushing the envelope of effects?
Steve Preeg: I think we are all proud to have made a film that paid appropriate homage to the original film. It was a daunting task and for the most part our work was well received, which was a great relief for us.
Q – Having worked on the third “Pirates” film, where you a part of the 4th film in the series at all?
Steve Preeg: No, the third film in the series is the only one I was involved with
Q – Aside from the biggies of IMAX and ED, what else was different about working on Tron: Legacy than other projects, At World’s End, for example?
Steve Preeg: One of the big differences for us was that it was shot in 3D. This presented a whole new set of challenges and workflows to work with footage from two cameras. We had to be far more accurate and aware of how everything we did would affect the depth of the scene.
Q – What would you do different now when you look back at the movie?
Steve Preeg: After every film we examine what we did right and wrong and make a list of what could be done better. There is always room for improvement on technique and execution. I think for myself, there are a number of advancements on how we approach human faces that will change our process, had we known then what we know now, we probably would have tried to implement some of that on Clu. I think we will be learning new things about how to create humans for a very long time to come.
Q – Have fans of the original ‘Tron’ been supportive of the visual effects that you included in ‘Tron: Legacy?’
Steve Preeg: From the responses I have gotten, it seems that fans of the original were quite happy with our work.
Q – Considering the intricately detailed effects work you put together, what’s your take on people watching movies on small mobile devices like iPhones? Do you feel like your work gets lots in that kind of portable compression compared to what people could experience in a theater?
Steve Preeg: There is no question that this film was meant to be seen on an IMAX screen. Joe designed a lot of the film specifically to be seen that way. I strongly feel that people watching this on a mobile device are missing a huge part of the thrill that is Tron: Legacy.
Q – What’s your favorite aspect of the work you do?
Steve Preeg: With this industry being both an artistic and technical field, we get to work with a wide variety of people from all over the world. I think for me it is interacting with all of those people, directors, software engineers, animators, etc.
Q – What was your favorite sequence in Tron: Legacy, as a fan and as an animator?
Steve Preeg: I personally really enjoyed the light bike sequence. It has a bit of the original Tron in it but got to be updated for a whole new generation of audience members. It was a real thrill to work on that sequence.
Q – Do you think that digital actors could replace human actors? What about recreating digital personalities for a movie, like Elvis, Humphrey Bogart or Marilyn Monroe?
Steve Preeg: That’s a tough question. In general we rely heavily on the performance of the actor to give us a character. We aren’t really out to replace human actors since they are the ones that breathe life into our digital characters. As for bringing someone back from the dead, you can never really get a dead persons take on a role, all you can try to do is mimic what you think they might have done. It may be believable to an audience, but in the end it is not really that person’s performance, it’s just a copy.
Q – How did you move from mechanical engineering to Hollywood special effects?
Steve Preeg: I was using some of the available visualization software used in film to visualize some engineering work when a friend needed some help on a film and knew that I knew the software. After working on a couple projects, I realized it was a lot more fun working on films than as an engineer, at least for me.
Q – How much pressure did you feel in not only making a sequel to Tron but also in creating the world of Tron now?
Steve Preeg: This is the most pressure I have felt on any film I have worked on. Trying to live up to Tron, the grandfather of the industry I work in, was always in the back of our minds and often in the front of our minds, too.
Q – Can you differentiate between your responsibilities as Head of Animation and, for example, VFX Supervisor, as far as it pertains to Tron Legacy?
Steve Preeg: As head of animation, I was responsible for the movement of everything. From Clu to lightbikes, if it moved that was my responsibility. The VFX is responsible for the look of the film and making sure it matches the director’s vision. So the VFX is dealing with a lot of lighting, modeling, textures, etc. That said, Eric (the VFX) and I collaborate on just about everything. We have a great working relationship and I have no problem hearing his comments on animation just as he listens to my suggestions about lighting, etc.
Q – Were you a fan of the original Tron?
Steve Preeg: Of course. I don’t see how anybody wouldn’t be. It was so far ahead of its time and so groundbreaking. Plus after conversations with Steve Lisberger (the director of the original Tron) there is so much more to it than people think. He has amazing insight on our world and I think Tron had a lot of additional meaning that Steve was trying to make.
Q – You received an Academy Award for achievement in visual effects for your work on ‘Benjamin Button.’ Has this win given you more creative freedom on the films you have worked on since then?
Steve Preeg: The creative freedom on a film is largely dependent on the director you are working with. Joe was great about hearing ideas and he collaborated with us in a way that made it a real treat to work on his film. However, in the end our goal is to make the directors vision come to life.
Q – Do you have any words of wisdom for aspiring film makers who want to get into animation?
Steve Preeg: Make sure you love the craft. Don’t try to get into this industry because you think you will get rich or meet famous people. We work really hard in this industry and without a true passion for film and the work you do, you will burn out quickly. I think maybe that’s true for a lot of industries, work on what you love to do.
Q – Did you have to create any new tools and use anything unique to generate the effects?
Steve Preeg: Most films we work on require some new tools to be created, we never get a director that comes and says, “just make what you did before.” They always want to push it to the next level. On Tron we had to write new tools for the 3D part of it, as well as a new facial solver for the type of data we were receiving from set. There were a whole host of additional smaller tools written for the different departments, and we are continuing to develop those tools for our current and upcoming shows.
Q – Can you talk about which films have influenced you?
Steve Preeg: The most inspirational film to me is Baraka. It is sort of a film about everything. Every time I watch that film I can take something else out of it. There is something for every mood and every aspect of life in there, so I watch it about once every 6 months, just to see how amazing our lives and planet really are.
Q – Have you worked on the original Tron conversion for HD? How was that? How was, for you, to work on a classic movie?
Steve Preeg: We were not involved in the conversion, but I can’t wait to see it.
Q – Can you explain the uncanny valley? How did your experience on Benjamin Button help you?
Steve Preeg: The uncanny valley basically suggests that as a character gets closer and closer to real looking, people respond better and better to it, until you get ALMOST real, and then people become disgusted by it. I think signs like skin that’s off color, eyes that stare off to infinity, etc. are some of the things that throw characters into the uncanny valley. There are many theories about why this is true, but the best one I have heard is that over the generations we have learned to avoid dead bodies to avoid disease, and many of the signs of a dead body are exactly what the uncanny valley seems to be about. Our work on Button certainly helped us learn more about what humans accept and don’t accept about another humans face, but there is still a lot to learn.
Q – How did you first get involved in this project?
Steve Preeg: Just as Button was wrapping, Eric (the VFX supervisor) was approached by Joe Kosinski and Disney about doing Tron. Having worked with him for a few years prior, he asked me to be involved, which of course I had to say yes. It’s Tron after all.
Q – Were there any moments where you just geeked out when thinking that you are working on a TRON movie?
Steve Preeg: Some of us were on Tron Legacy for 27 months, and I think we were in that geek out phase the entire time. It was a real honor to be allowed to continue Tron for a new generation.
Q – What is the advantage of your E-motion capture technology compared to the performance capturing system James Cameron used in AVATAR?
Steve Preeg: They are really different tasks. On Avatar, the capture was happening with the body and face at the same time. We needed to make one person’s facial performance on another person’s body movement. They are both very difficult tasks, but require different methods.
Q – Can you explain the additional difficulties that you had to solve, because the film was shot in 3-D? Did you play with 3-D effects to enhance some visual effects?
Steve Preeg: Well first off there are two cameras to track and they have to be far more accurate tracks than traditional VFX tracks, because the two together define the depth of an object. It also makes it harder for the end of the pipeline where traditionally you can always paint or nudge things in the final composite, but with 3D that paint work has to be the same in both eyes and that presents a problem, as well. There are quite a few other issues, like polarized light (such as reflections) showing up different in the two cameras, vertical disparity, using elements from two takes that had different 3D settings, the list goes on and on.
Q – Can you tell us something about “Tron 3” yet?
Steve Preeg: If I knew anything I probably couldn’t tell you anyway, but honestly I don’t know anything more than you about it. I hope they make one though, and I hope they ask me to work on it.
Q – The opening sequence was shown in 2D- was this an artistic or a technical decision? (The real life-scenes seemed perfect in 3D for me….)
Steve Preeg: That was the director’s decision. He wanted the Tron world to feel different, sort of like how the Wizard of Oz was black and white in the real world and in color in Oz. It was a similar effect he was going for.
Q – How does additional filming or reshoots affect your process?
Steve Preeg: It doesn’t really affect it other than it is just plate delivery that is later and we would have less time to work on it. It is pretty typical to get additional filming on projects, so it was no big deal on Tron Legacy
Q – Can you tell us what you’ve got going on next?
Steve Preeg: I would be happy to tell you if I knew. We are looking at a number of projects, but honestly after more than 2 years on Tron, I am okay with it taking a couple months for something else to pop up.
Q – Do you think 3D is here to stay or will it move out of fashion again?
Steve Preeg: That’s a tough call. I think it will depend a lot on the home market and if the box office difference stays as high as it is. I know there are some indications that it is dying down, so maybe it is on its way out, but I don’t think anyone really knows.
Q – Was there any thought to redoing any effects for the Blu-ray release? It must be tempting to go back and redo Clu with what you’ve learned since then.
Steve Preeg: I think in this industry we would always like more time or a shot at redoing things. We never really finish a shot; it just gets taken away at some point. The option for redoing any FX for the Blu-ray would not have been up to us, but it sure would have been fun.
Q – How much experience did you have with 3D prior to this film?
Steve Preeg: Very little, our company had done one 3D conversion, but I didn’t work on it. It was certainly a learning process for me.
Q – When “Tron Legacy” was released, some people talked about the Clu 2 recreation. Is it completely digital?
Steve Preeg: Clu’s head is always 100% digital. His body is sometimes a body double and sometimes all digital.
Q – Digital characters are more and more perfect like Neytiri in “Avatar”. Actors in digital roles in eyes of critics are not real, but we all see their fantastic performances – do you think in future actors will receive awards for their digital roles?
Steve Preeg: I hope so. It is just as valid of an acting job to be a digital character and in some ways even harder as there is not always something to react to. Someday I hope the recognition is there.
Q – Have you watched a movie you’ve worked on and caught a “bug”? little glitch or quirk that was missed, probably something nobody else would even notice, that made you cringe in your seat?
Steve Preeg: I really have a hard time watching movies I have worked on because that’s all I see. There is never a finished shot, I always feel like we could do more, but at some point it has to get out to theaters.
Q – Did the Look of the original movie limit you in your creativity or was there still room for new ideas?
Steve Preeg: I think it helped spur creativity. How do you take that original look and update it for a new generation? That was one of the most challenging and fun parts about working on this film.
Q – Percentage wise how much of the film is live action compared to CG would you say?
Steve Preeg: In the Tron world every shot had some digital work done, even if it was just suit enhancement. Probably about half of the real world footage had work done to it. I am not sure how much of the film was completely CG but I would guess about 20% maybe, all of the lightbike and lightjet sequences were all CG and a large portion of the disc game, as well as the big city-scapes.
Q – This massive 5-disc set may be the biggest 3D Blu-ray release to come out yet. Do you think this could be the title that really spurs growth in the 3D Blu-ray market?
Steve Preeg: I hadn’t really thought of that, but wouldn’t that be awesome? I haven’t seen it in 3D on Blu-ray yet, but Joe says it looks amazing, so I can’t wait.
Q – Where do you see the advantages of 3D for telling stories like TRON: LEGACY?
Steve Preeg: I think in a film where you create a whole new world for people to see is a great place for 3D to be used. You can really use it to give a feeling of actually being in this new place, that’s where I would like to see it used more. I don’t think we need to start seeing romantic comedies in 3D, but that’s just me.
Q – Did you participate in the creation of the Blu-ray’s featurettes? How do you choose these bonuses?
Steve Preeg: I was not part of it, which for me is great because I want to see it with fresh eyes. I am really looking forward to seeing what Disney did with it.
Q – Did first Tron in any way inspire you to work in life/your career in special effects?
Steve Preeg: Not only was it an inspiration but it started the work that is my career, it has been great meeting some of the original crew of the first Tron and to see how hard it was to make the first Tron, they were true pioneers.
Tron – The Original Film and Tron: Legacy will come out on Blu-ray April 5, 2001 so pre-order yours now!
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