RFX Design: DESIGN • ENERGY • MOTION: Organic Modeling: ZBrush

10/11/10

Organic Modeling: ZBrush

This week we finished up the modeling in Maya in preparation to bringing our models into ZBrush. ZBrush is a high-resolution modeling and painting program that has a unique interface. For example, there is the 2.5D painting mode that allows to to paint and sculpt at the same time. The program stores depth into your paint strokes and allows you to go back and 'carve out' places or add new material:

Once the model is finished in Maya, I will export it and bring it into ZBrush for sculpting. I'll then take it and subdivide the model until there are millions of polygons on the model. The reason you don't do this in Maya is that a model with millions of polygons takes up a lot of memory and can really bog down your computer's performance as you are working. By working in ZBrush and saving out a normal map, you can retain a low-resolution model in Maya, but are able to subdivide and displace the mesh upon rendering.

The model subdivided (incorrectly apparently) in ZBrush

The final model in Maya.

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What is this all about?

I was only nine years old when my brother brought the game Myst into our house. I remember vividly delving into it's surreal world and being mesmerized by the groundbreaking visuals that it held. It was at that moment that a seed of fascination had been planted inside me which continued to grow and grow and grow.

It has been many years since that day when I was introduced to the world of 3D computer animation, but I have had an increasingly strong desire to learn more and more about it. I remember the first computer animation I created as a teenager using Strata Studio Pro: a simple car driving around a corner and into a garage with the door closing behind it. The modeling was crude, there were no textures, the animation itself did not look realistic at all, the resulting movie took up a significant portion of our hard drive space, and the rendering time tied up the family computer for over a day. Despite all those things, I realized that there was something in my future involving this new developing medium.

My interest in 3D computer animation grew exponentially over the years and I have never been able to get enough of it. I am continually fascinated by the challenging visuals that are continually being achieved in the entertainment industry. I'm the type of person who will buy the special edition of the movie just so I can see all of the "Making Of" featurettes. I think I enjoy them more than the movie sometimes. Although I had this strong interest in 3D computer animation, I chose to do my undergraduate work in industrial design. I have no regrets about my decision to pursue that path, however, because I learned a great deal about proper proportions, composition, form, color theory, and how people's perception of things can be influenced by visual cues. I recognize that many of these principles translate very easily into visual entertainment.

I graduated from Brigham Young University in 2007 and was hired by Pride Mobility Products in Scranton, Pennsylvania. While there I was responsible for designing various mobility products such as powered wheelchairs, scooters, and other accessories. Oddly enough, however, I found my duties in the design team being focused more towards tasks that were closely related to what a technical director or render wrangler would do. I was often chosen to do the renderings for the products we designed because I understood how to program shaders and how to create HDR studio lighting setups. In addition, during our regular meetings, I found myself doodling little cartoon characters that I had dreamed up or dreaming up ways of how our products could transform into robots, etc. Eventually the itch returned and I realized that my ultimate goals and professional desired wouldn't be fully satisfied in my current career path.

In the spring of 2009 I decided that I wanted to pursue 3D computer modeling and animation as a profession and applied for the MFA program at Academy of Art University. I recently moved to Provo, Utah, and am currently taking classes online while I pursue some other personal goals. I am eager to collaborate on projects and am excited to get involved with the other graduate students. Feel free to check out my web site www.rfxdesign.com and give me any critiques on my work. I'm always looking for a chance to improve my knowledge and skills.

10/11/10

Organic Modeling: ZBrush

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What is this all about?

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