The Gnomon Workshop - Grass and Plant Instancing in Maya Mental Ray-PLATO
The Gnomon Workshop - Grass and Plant Instancing in Maya Mental Ray-PLATO
English | DVD ISO| 1280×720 | h264, yuv420p, 15.00 fps(r) | aac, 44100 Hz, stereo | 4.57 GB
Genre: eLearning
English | DVD ISO| 1280×720 | h264, yuv420p, 15.00 fps(r) | aac, 44100 Hz, stereo | 4.57 GB
Genre: eLearning
Grass and Plant Instancing in Maya/Mental Ray The Gnomon Workshop: Date: 2012-11-29 Disks: xx/94: 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.
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