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Monday, August 25, 2014

Making a movie with CGI

Take for example Guardians of the Galaxy, which cost $170 million to make.  Watching the credits, I was amazed and mystified to see how many people and groups of people worked on the production.  Why so many?

To get an idea of what the process for producing a movie with CGI (Computer-Generated Imagery), take at look at DreamWorks Animation's slide show describing the production process.  In the introduction DreamWorks talks about making How to Train Your Dragon:
He, and his world, were created by a team of artists using a delicate marriage between creativity and technology. Every detail, every leaf, tree, blade of grass, rock and cloud; every shadow and shaft of light; every thread of clothing and lock of hair (or fur), was imagined and brought to life by our creative teams over the four years or so that it takes to complete an animated film. So, how did we do it?
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image: screenshot from How to Train Your Dragon (DreamWorks)
Hiccup and Toothless, DreamWorks Animation
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CGI processes listed at DreamWorks site for producing digital imagery and animation are modeling, rigging, layout, character animation, surfacing, effects (like fire and explosion), and lighting.  Of course there are other important functions like scripting and sound, but today the topic is imagery.

At Animation World Network (AWN) producers Catherine Winder and Zahra Dowlatabadi give an interview on the 3D production process.  They call it the "production process pipeline."  Here's a quote:
It is important to keep in mind that unlike traditional 2D animation, which follows a fully established path, CGI production is still in the midst of defining and standardizing its processes. Depending on the style of the CGI show -- for example, cutout animation versus 3D -- the software used and the actual production process is different. The following is a basic outline of the production steps involved in setting up a 3D CGI project. 
1.Design 2.Modeling 3.Rigging 4.Surfaces (texture and color) 5.Staging/workbook 6.Animation 7.Lighting 8.Effects 9.Rendering 10.Composite 11.Touchup 12.Final film/video output
AWN also features the article, "Stephane Ceretti Talks ‘Guardians of the Galaxy’." Ceretti was the overall VFX supervisor for that film.

The Credits site gives a lot of information about the characters.

Referring again to the Wikipedia article on Guardians of the Galaxy, fourteen visual effects studios are listed as contributors to the film.  One of the teams is Method Studios.  Here's a video that shows CGI breakdowns for several of the films they worked on, published on YouTube by The CGBros.
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To get a better idea of what breakdowns are, check out this collection of them at The Film Stage.

Needless to say (perhaps), I really really liked Guardians of the Galaxy.

-- Marge


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