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Scene structure in povray  

2015-04-16 15:56:13|  分类: 默认分类 |  标签: |举报 |字号 订阅

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A description of a scene must consist of (at least) the following components:

  • 0. #include Including files with predefined declarations for colors, textures, and similar things.
  • 1. camera = defines camera type, standpoint and where we look at, angle of view.
  • 2. light_source = defines the position and the color of the light.
  • 3. Geometric objects and their properties, in details:
    •   Shape ("sphere, box, cylinder, cone, torus, plane" and a lot of others!)   This shape may be a basic geometric shape or e.g. combined by basic shapes with the   methods of CSG = Constructive Solid Geometry.
    •   Transformations = modifications of position and shape
      •   'scale< , , >' - Scaling - changes of the scale
      •   'rotate< , , >' - Rotations around the center of the coordinate system
      •   'translate< , , >' - Translations
    • Texture = description of the consistence of the surface ("texture" )
      •   pigment{....}: color or color pattern (must!) and transparency (optional!)
      •   normal {.....}: roughness (optional, if not wanted to be smooth!)
      •   finish {....}: brightness and brilliance of the surface (should be used!)
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