simpletree.gle

Subroutines for drawing trees

For an example, see e.g., 2dplots/rt-y-is-x.gle

 sub tree_set_node_fill dx dy

 sub set_tree_node_min_size sx sy

methods should start with set_

 sub tree_set_node_dxdy dx dy

 sub tree_set_hei nodehei leafhei labelhei

 sub texortext str$ name$ delta hi texsize$

 sub drawcliparc lx1 ly1 dx lr n$ cn$

 sub drawbinnode xp yp str$ l$ r$ dx n$

 sub binrootnode xp yp str$ l$ r$ dx

 sub binnode par$ str$ l$ r$ dx

 sub drawtrinode xp yp str$ l$ m$ r$ dx n$

 sub trinode par$ str$ l$ m$ r$ dx

 sub leaf par$ str$

 sub leaf_ellipse par$ str$

 sub leaf_ellipse_empty par$ wd