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Writing mental ray� Shaders : A Perceptual Introduction /

By: Kopra, Andy [author.].
Contributor(s): SpringerLink (Online service)0.
Material type: materialTypeLabelBookSeries: mental ray� Handbooks, 30.Vienna : Springer Vienna, 2008. Description: XIV, 635 p. 171 illus. in color. online resource.Content type: text Media type: computer Carrier type: online resourceISBN: 9783211489659.Subject(s): Computer science. 0 | Computer graphics. 0 | Image processing. 0 | Application software. 0 | Computer-aided engineering. 0 | Multimedia systems.14 | Computer Science.24 | Computer Graphics.24 | Computer Applications.24 | Image Processing and Computer Vision.24 | Computer-Aided Engineering (CAD, CAE) and Design.24 | Computer Appl. in Arts and Humanities.24 | Media Design.2DDC classification: 006.6
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.
In: Springer eBooks08Summary: The word "render" isn't 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 poet's mind to a book of poetry. Figure 1.1: Czar's 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 building's 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. 0
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Item type Current location Call number Status Date due Barcode Item holds
P K Kelkar Library, IIT Kanpur
Available EBKS0003110
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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.

The word "render" isn't 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 poet's mind to a book of poetry. Figure 1.1: Czar's 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 building's 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. 0

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