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Branch/Trunk Settings
You can use the Branch/Trunk settings located on the left side of the Tree Lab to control the thickness of the trunk and branches, the distribution of branches around the trunk, the number of segments, the number of branches per segment, the starting and ending angles of the branches, and the texture used for the trunk and branches.
Trunk Thickness
The Trunk Thickness slider lets you specify a minimum and maximum width of the trunk, from 1 to 200. The minimum width controls the thickness of the twigs at the outermost reaches of the tree while the maximum width controls the base of the tree.
To set the maximum trunk thickness:
- Drag the arrow below the Trunk Thickness slider to the desired value, or type a value in the field to the right of the slider.
To set the minimum trunk thickness:
- Drag the arrow above the Trunk Thickness slider to the desired value, or type a value in the field to the left of the slider.
Branch Thickness
The Branch Thickness slider lets you specify a minimum and maximum percentage width for the branches, from 1 to 100. This setting doesn't control the actual width of the branches; it is the percentage width of child branches. For example, if the branch thickness is set to 50%, each child branch will be 50% of the width of the parent branch it is spawned from.
To set the maximum branch thickness:
- Drag the arrow below the Branch Thickness slider to the desired value, or type a value in the field to the right of the slider.
To set the minimum branch thickness:
- Drag the arrow above the Branch Thickness slider to the desired value, or type a value in the field to the left of the slider.
Number of Segments
Each branch of the tree is divided into a number of segments. Each segment is a location on a "parent" branch where "child" branches will be formed.
To set the maximum number of segments:
- Drag the arrow below the Segments slider to the desired value, or type a value in the field to the right of the slider.
To set the minimum number of segments:
- Drag the arrow above the Segments slider to the desired value, or type a value in the field to the left of the slider.
Branches Per Segment
The Branches Per Segment slider lets you specify how many "child" branches will be formed in each branch segment.
To set the maximum number of branches per segment:
- Drag the arrow below the Branches Per Segment slider to the desired value, or type a value in the field to the right of the slider.
To set the minimum number of branches per segment:
- Drag the arrow above the Branches Per Segment slider to the desired value, or type a value in the field to the left of the slider.
Branch Angles
The starting and ending angles for branches help determine the overall shape of a tree. The branch start angle is the angle of the branch at the thickest part of the tree. The branch end angle is the angle of the branch at the thinnest part of the tree.
To set the branch start angle:
To set the branch end angle:
Trunk and Branch Texture
You can use a uniform color, an image, or a material as the texture for the trunk and branches of a tree. All the branches and the trunk of the tree will have the same texture; you cannot vary the texture for the branches and the trunk.
To use a uniform texture:
2 Click the Uniform Color swatch and choose a color from the color picker.
To use an image texture:
2 Click the Edit button to the right of the Image button. The Picture Library appears.
Refer to "Working with Pictures" for more on the Picture Library.
To use a material texture:
2 Click the Edit button to the right of the Material button. The Materials Lab appears.
Refer to "The Materials Lab" for more on the Materials Lab.
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