Writing mental ray Shaders: A Perceptual Introduction by Andy Kopra (English) Pa

Description: Writing mental ray Shaders by Andy Kopra The word "render" isnt unique to the vocabulary of computer graphics. We can talk about a "watercolor rendering," a "musical rendering" or a "poetic rendering." FORMAT Paperback LANGUAGE English CONDITION Brand New Publisher Description The word "render" isnt unique to the vocabulary of computer graphics. We can talk about a "watercolor rendering," a "musical rendering" or a "poetic rendering." In each of these, there is a transformation from one domain to another: from the landscape before the painter to color on paper, from musical notation to sound, from the associations in a poets mind to a book of poetry. Figure 1.1: Czars Waiting Room, Main Railway Station, Helsinki, Eliel Saarinen, 1910, watercolor. But the type of rendering that may come closest to what we mean when we talk about rendering in computer graphics is in architecture. Geometric blueprints and technical specifications of building materials are transformed in the architectural rendering into a picture of the building 1 Introduction as it will appear when construction is complete. In addition to the designs of the buildings geometry and its visual characteristics, the artist chooses a point of view to depict the scene in perspective. This is a transformation of a description of imagined space into a picture of that space. In a watercolor by architect Eliel Saarinen (Figure 1.1), the effect of light on marble is demonstrated in a way that would be lost in even a careful reading of blueprints and descriptions of materials. A mere brushstroke of a particular color in a particular place paradoxically transforms the dull matte appearance of watercolor into the sheen of polished stone. Notes An increasing number of artists and programmers in visual effects and broadcast production now use mental ray, a high performance rendering engine for generating photorealistic images. This book details the aesthetics of rendering with mental ray. It describes the varieties of shader programming from the point of view of increasing perceptual complexity: from color, to the effects of light, to the manipulation of shape, to the output of the final image. It includes many example shaders, including the simplest shader possible in each category that can serve as a starting point for further customization. These examples will also provide a basis for training artists interested in extending their technical skills by learning how the write shaders for mental ray. Table of Contents Structure.- The structure of the scene.- The structure of a shader.- Shaders in the scene.- Color.- A single color.- Color from orientation.- Color from position.- The transparency of a surface.- Color from functions.- The color of edges.- Light.- Lights.- Light on a surface.- Shadows.- Reflection.- Refraction.- Light from other surfaces.- Shape.- Modifying surface geometry.- Modifying surface orientation.- Creating geometric objects.- Modeling hair.- Space.- The environment of the scene.- A visible atmosphere.- Volumetric effects.- Image.- Changing the lens.- Rendering image components.- Modifying the final image. Long Description The word "render" isnt unique to the vocabulary of computer graphics. We can talk about a "watercolor rendering," a "musical rendering" or a "poetic rendering." In each of these, there is a transformation from one domain to another: from the landscape before the painter to color on paper, from musical notation to sound, from the associations in a poets mind to a book of poetry. Figure 1.1: Czars Waiting Room, Main Railway Station, Helsinki, Eliel Saarinen, 1910, watercolor. But the type of rendering that may come closest to what we mean when we talk about rendering in computer graphics is in architecture. Geometric blueprints and technical specifications of building materials are transformed in the architectural rendering into a picture of the building 1 Introduction as it will appear when construction is complete. In addition to the designs of the buildings geometry and its visual characteristics, the artist chooses a point of view to depict the scene in perspective. This is a transformation of a description of imagined space into a picture of that space. In a watercolor by architect Eliel Saarinen (Figure 1.1), the effect of light on marble is demonstrated in a way that would be lost in even a careful reading of blueprints and descriptions of materials. A mere brushstroke of a particular color in a particular place paradoxically transforms the dull matte appearance of watercolor into the sheen of polished stone. Feature A tutorial introduction to mental ray shader programming Includes the full source code for 100 shaders and illustrated with over 200 rendered scenes and diagrams Cross-references with the first two volumes of mental ray handbooks Description for Sales People An increasing number of artists and programmers in visual effects and broadcast production now use mental ray, a high performance rendering engine for generating photorealistic images. This book details the aesthetics of rendering with mental ray. It describes the varieties of shader programming from the point of view of increasing perceptual complexity: from color, to the effects of light, to the manipulation of shape, to the output of the final image. It includes many example shaders, including the simplest shader possible in each category that can serve as a starting point for further customization. These examples will also provide a basis for training artists interested in extending their technical skills by learning how the write shaders for mental ray. Details ISBN3211489649 Author Andy Kopra Language English ISBN-10 3211489649 ISBN-13 9783211489642 Media Book Format Paperback Series Number 3 Year 2008 Subtitle A Perceptual Introduction Place of Publication Vienna Country of Publication Austria Edition 1st Imprint Springer Verlag GmbH Short Title WRITING MENTAL RAY(R) SHADERS Pages 635 Illustrations 171 Illustrations, color; XIV, 635 p. 171 illus. in color. DOI 10.1007/978-3-211-48965-9 Publisher Springer Verlag GmbH Series mental ray® Handbooks Publication Date 2008-08-05 DEWEY 006.786 Audience Tertiary & Higher Education We've got this At The Nile, if you're looking for it, we've got it. With fast shipping, low prices, friendly service and well over a million items - you're bound to find what you want, at a price you'll love! TheNile_Item_ID:137787803;

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