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Gnomon – Maya – Grass and Plant Instancing Part 1

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Gnomon - Maya - Grass and Plant Instancing Part 1 | 4.96GB
Product Code: AAL24 | ISBN: 1-59762-748-8 | UPC: 805366018146 | Duration: 521 minutes


In this DVD, Alex covers how to create realistic grass using Maya, Paint Effects and Mental Ray while also sharing his techniques for developing a complete natural environment. We begin by evaluating the default Paint Effects grass library with discussion on the basic adjustments needed to make grass more natural. Techniques for covering large areas with grass are then explored via curves and instancing. Through the use of instancing, particles and surface emitters, Alex shows how to populate large scenes with grass geometry, rendering millions of polygons with a minimal RAM footprint. Included is an expression based technique for orienting instanced geometry with the normal of the generating surface, an issue less important for plants or trees but often very important for grass. When elements need to be interactively and precisely placed, Alex also demonstrates the use of a freely available geometry paint script, as well as how to bake particle instances to geometry. Generating textures, miaMaterials and workflow in conjunction with Physical Sun/Sky is thoroughly discussed. Alex also demonstrates how to render and utilize zDepth passes to add post depth-of-field and fog effects, how to render true volumetric fog effects, as well as Photoshop and After Effects post techniques to increase realism through the use of color correction and plug-ins, including Magic Bullet, LensCare and Sapphire.

Grass with Paint Effects
Coverage Techniques
Particle Instancing
Texture Emission
Geometry Paint
Physical Sun/Sky
miaMaterials
Photoshop Compositing
Z-Depth
Volume Fog
After Effects Compositing
Baking Instances to Geometry

Chapters
Paint Effects Grasses
Grass Shaders
Grass Coverage, Z-Depth, Depth-of-Field
Cliff: Integrating Grass into a Scene
Meadow: Instancing, part 1
Meadow: Instancing, part 2
Meadow: Instancing, part 3
Meadow: Geometry Paint
Meadow: Additional Elements
Meadow: Photoshop Comps
Meadow: Final Layout
Baking Instances to Geo
Render Setup
Final After Effects Comp


DVD-ROM Requirements:
1GHz or faster processor
521 MB RAM
64 MB Video RAM
DVD-ROM Drive
5 GB of hard disk space
1280 x 1024 display
DVD-ROM and Digital Download Requirements:

Minimum Operating System:
Microsoft Windows Vista
Microsoft Windows XP Professional
Microsoft Windows 2000 Professional
Apple Mac OS X 10.2
Software:
QuickTime Movie Player (Version 7.0 or higher)
Acrobat Reader (Version 5.0 or higher)


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