History: VolumeSources

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            This page gives a detailed description of the available data sources with which scenes are created.

!Content Sources
Each source of this type is a concrete shape which can be a leave of the combination sources of the following chapter or to be used stand alone.

!Combination Sources
With this sources, it's possible to create a tree combining the content sources in various ways. You create a tree where the leaves are the content sources. The inner nodes combine them until the final scene is reached with the root node. First, all possible combination sources are introduced and at the end, a complex example tree is shown.

!Additional Sources
This are utility sources which can be handy in some situations.

!!CacheSource
__Header:__ OgreVolumeCacheSource.h
__Constructor:__ CacheSource(const Source *src)
* *src: The source to be cached
__Description:__
This source can be used to reduce the loading time of complex CSG scenes. Just give it the source to cache and it will cache repeatly requested values and so speeding up the loading time where in some situations, values and gradients of the same coordinate are requested. The given source must have a certain complexity to gain any advantage of the cache as it introduces some overhead when internally maintaining the cache.