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Document new materials.xml elements controlling tree and object

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distribution depending on slope angle.
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Stuart Buchanan 2012-10-05 22:00:51 +01:00
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commit 8f692c78d9
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Docs/README.materials
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@ -120,9 +120,25 @@ tree-height-m : The average height of the trees. Actual tree height will
tree-width-m : The average width of the tree cover. Actual tree width will
vary by +/- 50%. (default 0)
tree-max-density-angle-deg : The slope angle at which trees begin to thin out
as the slope is too steep to support the full coverage. Shallower
slopes have maximum wood-coverage. Steeper slopes have fewer trees.
(default : 45)
tree-zero-density-angle-deg : The angle at which the slope is too steep to
support significant vegetation. Steeper slopes have no trees.
(default : 60)
object-max-density-angle-deg : The angle at which objects and buildings become
less dense due to a steep slope. (default : 20)
object-zero-density-angle-deg : The angle at which the slope is too steep to build
on. No object/buildings will be placed on slopes steeper than this.
(default : 30)
object-group : A group of random objects to be placed on the surface. Contains
<range-m> and one or mode <object> children.
<range-m> and one or more <object> children.
range-m : The distance at which objects within this object-group become
visible. Note that for realism, 60% of the objects will become visible