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Video graciously provided by Matthew Childers at Digital Introspect

Originally, I was approached to help on a multimedia collaboration with the EyeO Festival and the Northern Spark Festival in Minneapolis Minnesota. A group of designers were asked to create motion graphics to be projection mapped on the back wall of the symphony hall. We would be creating visuals designed specifically for the Minnesota Orchestra‚Äôs performance of ‘Symphony No. 4: From Mission San Juan’ on Friday and Saturday evening. We had only two weeks to complete all of the work.

First we needed to create a digital 3D model of the stage in Cinema 4D that would become the 3D template with locked camera positions. This way we would be able to share the 3D template with each animator and ensure that each animation would have exactly the same perspective. There would be three templates. One for the center art, one for the outlying art, and one for art that would cover both areas. I was asked to create these templates.

From Matt Childers:

Half of our animators were more comfortable working in 2D and the other half in 3D. We knew any 2D content would either appear completely flat when mapped on the stage or it would become badly distorted if we tried to fake the perspective by warping the 2D images on the actual stage. Each cube had three visible faces, so if we attempted to create a third plane from a 2D image the animations would not line up right on the edges of each cube face. We wanted to make use of this opportunity to projection map a stage with this geometry so using only straight 2D content was unacceptable. To fix this we took the animations rendered by our 2D animators and used them as flat camera mapped textures in our Cinema 4D template. This way we could still give the illusion of 3D perspective in our 2D animations by positioning lights in the 3D space and playing with shadows.

 

As we got into the project, it turned out that there were some incorrect measurements that had been supplied. When the videos were tested, they didn’t quite line up. With a photograph from an iphone and a rough 3D representation of the hall, I was able to create a template for all of the designers to use. Setting up a simple Xpresso rig in Cinema 4D, I made it an easy task for the designers to create work for the center art, the outlying art, or both.

© 2007-2015 Tim Shetz Designs