Differential D1051 Diff 3353 manual/glossary/index.rst

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manual/glossary/index.rst

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Kind of object that cannot hold any geometry.		Kind of object that cannot hold any geometry.

Environment Map		Environment Map
Method of calculating reflections.		Method of calculating reflections.
It involves rendering images at strategic positions and applying them as textures to the mirror.		It involves rendering images at strategic positions and applying them as textures to the mirror.
Now in most cases obsoleted by Raytracing, which though slower is easier to use and more accurate.		Now in most cases obsoleted by Raytracing, which though slower is easier to use and more accurate.

Extrude		Extrude
It's a tool used to create more geometry into the mesh. It is a very commonly used tool.		Modeling tool used to extend and add geometry to a mesh.

Face		Face
Mesh element that defines a piece of surface. It consists of 3 or more :term:`edges <edge>`.		Mesh element that defines a piece of surface. It consists of 3 or more :term:`edges <edge>`.

Face Loop		Face Loop
Chain of consecutive :term:`quads <quad>`.		Chain of consecutive :term:`quads <quad>`.
A face loop stops at a :term:`triangle` or :term:`Ngon` (which don't belong to the loop), or at a boundary.		A face loop stops at a :term:`triangle` or :term:`Ngon` (which don't belong to the loop), or at a boundary.
Otherwise it's cyclic.		Otherwise it's cyclic.

		Field of View
		The area in which objects are visible to the camera. Also see :term:`Focal Length <focal length>`

		Focal Length
		.. Distance required by a lens to focus collimated light.
		Defines the magnification power of a lens. Also see :term:`Field of View <field of view>`

Geometric Center		Geometric Center
An object's geometric center coincides with the geometric center of its bounding box.		An object's geometric center coincides with the geometric center of its bounding box.

Global Illumination		Global Illumination
Is a superset of radiosity and ray tracing.		Is a superset of radiosity and ray tracing.
The goal is to compute all possible light interactions in a given scene,		The goal is to compute all possible light interactions in a given scene,
and thus obtain a truly photo realistic image.		and thus obtain a truly photo realistic image.
All combinations of diffuse and specular reflections and transmissions must be accounted for.		All combinations of diffuse and specular reflections and transmissions must be accounted for.
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Vertex Buffer Object		Vertex Buffer Object
Term used for uploading geometry to the graphics cards memory for improved performance.		Term used for uploading geometry to the graphics cards memory for improved performance.

See Wikipedia's `Vertex Buffer Object <http://en.wikipedia.org/wiki/Vertex_Buffer_Object>`__		See Wikipedia's `Vertex Buffer Object <http://en.wikipedia.org/wiki/Vertex_Buffer_Object>`__
article for more information.		article for more information.

Vertex Group		Vertex Group
Vertices can be grouped together so that certain operations can work on specific groups.		Vertices can be grouped together so that certain operations can work on specific groups.