TreeElementShape

is an option for Tree and related functions that specifies what graphics should be used for subtree elements.

Details

TreeElementShape allows specifying the shape of the root node of a tree, as well as that of any subtree at positions matching a pattern.
TreeElementShape can be any Graphics, Graphics3D or Image object.
The center of the object lies at the position in the graphic specified by TreeElementCoordinates. »
The rendered form of each subtree element is obtained by rescaling the given object as specified by TreeElementSize. »
The following option settings can be used:

	Automatic	use the automatic setting for a shape
	g	use the graphic g for the subtree element
	{pos₁g₁,pos₂g₂,…}	use g_i for the subtree element at relative position pos_i
	{patt₁g₁,patt₂g₂,…}	use g_i for the subtree elements at positions matching the pattern patt_i

TreeElementShapeFunction specifications override TreeElementShape specifications. »
In TreeElementShape, Allg uses g for all subtrees.
In TreeElementShape, TreeCases[pattern]g uses g for all subtrees with data matching pattern.

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Specify an individual subtree element shape:

Specify all subtree element shapes:

Use the same shape for all subtree elements:

Specify positions using position patterns:

Specify positions using data patterns:

The center of the object lies at the position in the graphic specified by TreeElementCoordinates:

TreeElementShapeFunction specifications override TreeElementShape specifications:

Shapes for subtree elements can be specified by position:

Styles specified by a subtree take precedence over styles specified by its ancestors:

A position {i,j,…} in a subtree refers to its subtree at relative position {i,j,…}:

A relative position {2} at position {1} refers to the global position {1,2}:

In general, a pattern patt applies to subtrees at global positions {i,j,…} that match patt:

A list of patterns {patt₁,patt₂,…} applies to relative positions {i,j,…} that match the patt_i:

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