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Girth Transform Node

This element is used to assign a girth value to the tree branches. The girth value is used to create the mesh that represents the bark of the tree and is also the reference value to position sprouts on the surface of this barked is specified so.

Girth at Base

Value of girth at the trunk level of the tree (branch hierarchy 0).

Tree with girth at base = 1

Tree with girth at base = 3

Girth at Top

Value of girth at the top branches of the tree (last branch hierarchy).

Tree with girth at top = 2 and girth at base = 1

Curve

Transition curve to control how the values from girth at base and girth at top is applied along the tree hierarchy. The left of the x axis represents the base of the tree, while the right side stands for the top branches. On the y axis the bottom is the girth at base value and the top the girth at top value.

Linear curve to transition from girth at base = 3 to girth at top = 0.05

Exponential curve to transition from girth at base = 3 to girth at top = 0.05

Hierarchy Scaling

If enabled applies an scaling value to the girth of terminal branches children of the tree trunk. This options gives a more natural look to trees making these branches look as newer branches.
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