Lesson 72 - A Challenging Model - Part 1
I've been finishing up my upcoming book on 3D Studio MAX 3 (3D Studio MAX 3: In Depth, published by the Coriolis Group), and looking back over the mountain of text has got me thinking about how people really learn 3D Models graphics and animation. To be sure, there's a huge amount of intellectual matter to master. You have to know the powers of the program and the details of the interface. But from an artistic standpoint, you have to develop instincts and methods that make creative work possible.
These instincts and methods can be taught, or rather, they can be learned, by observing how other people work. The most important element in my view, for all artistic work, is the ability to conceive of a project as a whole, and in a general way. 3D Models graphics is a highly strategic exercise. To be effective and produce professional quality work, you need to be able to assess the entire scope of a project before you begin and weigh your strategic alternatives. Again and again, I discover that decisions made early in the process restrict my freedom later on. You've got to learn how to proceed from the general to the specific, so that you are free to add detail later on without working yourself into a corner.
In that spirit, I like to share my thinking as I developed a model of a violin for the book. This is a NURBS model, and I offer it in part to help convince the general public of the enormous importance of this method of modeling, which well repays the considerable effort required to learn it. This model was done in Studio MAX, but there is nothing about the process that is unique to that program. The same approach could be used in any other NURBS modeling environment.
Here is the finished violin. I modeled it from life, with the violin at my side, and without the use of scans or traced construction lines. That helped give it a free, interpretive feel, and those who know string instruments well will certainly notice some small departures from absolute fidelity in the spirit of fun.
I began by identifying the major units of the project that could be handled separately; the body, the neck (including scroll and fingerboard), the bridge, and the tailpiece. The body was the largest object and therefore the best place to start. The best way to proceed was by trimming a flat surface with an outline profile, and then applying a second trim to cut out the f-holes. These are both very sophisticated trims, and I anticipated that the program would not be able to handle trimming both f-holes and the border trim at once. This turned out to be correct. So I was forced to model only half of the surface, so that I needed only one f-hole trim in a single surface.
But this approach surface had its own disadvantages, because there is a slight swelling (the "belly") in the surface. It took a lot of care to create this bulge in a way that would not produce a visible seam down the middle when aligned with a duplicate half.
The top (half) surface was then mirrored to produce the back of the instrument, and the trim curve was extruded to make the connecting side panel. Making the overhanging lips that connected the side panel to the top and bottom surfaces required a lot of experimentation. 3D ModelsThese lips were built from blend surfaces to assure continuity, but needed to be constructed in small units that were later joined together.
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A more important correction, or re-evaluation, concerns the Microsoft VRML browser. The previous column noted that the Intervista World View browser supplied with Microsoft operating systems and Web browsers, might provide assurance that free VRML viewers would be broadly distributed in the near future. I stated that the Microsoft browser would be included in the standard install for Windows 98, but this requires some further clarification. As I now understand it, new machines with Window 98 ins
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The next consideration is the CPU, or processor. This is almost as important as RAM, so you should not skimp here either. The first thing to consider is a single or multiple processor solution. For most cinematic work, you will want to have a dual CPU system. Notice that we did not say more than dual-this is due to the way your 3D Program works with that components in your computer:
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The movie above is scarcely spectacular. If you click on the rotating Box model, the background color of the 3D sprite changes, and a message is displayed telling you which face of which mesh has been clicked. Wow.
(I-Newswire) August 8, 2009 - Compressed 3D Models Still Look Great with VizUp 3! VizUp unveils a new polygon reduction system that enables anyone to reduce the number of polygons in a complex 3D model up to 90% without much effect on its visual quality
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Human Anatomy 3D Models are comprised of many organs and body parts. These computer graphics are used everyday to bring thousands of animations to life. They are also used to demonstrate the dynamics of breakthrough surgery or to generate educational renders to show doctors about how to use a medical device.
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