def tree():
s = [
'root',
[
'left',
['left_left'],
['left_mid'],
['left_right'],
],
[
'right',
['right_left'],
['right_right'],
]
]
t = layout.tree(s, root=ORIGIN, h_sep=2, v_sep=2)
t['root'] = Inner(t['root'], ['5'])
t['left'] = Inner(t['left'], ['2', '4'])
t['right'] = Inner(t['right'], ['7'])
t['left_left'] = Leaf(t['left_left'], ['0', '1'])
t['left_mid'] = Leaf(t['left_mid'], ['2'])
t['left_right'] = Leaf(t['left_right'], ['4'])
t['right_left'] = Leaf(t['right_left'], ['5', '6'])
t['right_right'] = Leaf(t['right_right'], ['7', '8'])
return t
def index_tree(canvas):
tree = layout.tree(['', ['l'], ['r']],
root=Point(3.5, -1),
h_sep=1,
v_sep=1)
root = tree['']
left = canvas.new_bullet(center=tree['l'])
right = canvas.new_bullet(center=tree['r'])
l = canvas.new_line(src=root, dst=left)
canvas.new_text(anchor=centroid(l.get_skeleton().vertices()),
text='age',
location=locations.NORTHWEST)
l = canvas.new_line(src=root, dst=right)
canvas.new_text(anchor=centroid(l.get_skeleton().vertices()),
text='name',
location=locations.NORTHEAST)
return root, left, right
return vs
def tree_edge(canvas, root, left, right):
def draw_edge(seg0, seg1):
canvas.new_arrow(
src=centroid([seg0.vertices()[2], seg0.vertices()[3]]),
dst=centroid([seg1.vertices()[0], seg1.vertices()[1]]))
draw_edge(root[0], left[0])
draw_edge(root[1], right[0])
if __name__ == '__main__':
tree = layout.tree(
['root',
['left', ['left_left'], ['left_right']],
['right', ['right_left'], ['right_right']]],
root=ORIGIN,
h_sep=1.2,
v_sep=1)
canvas = Canvas(
preamble=['\\usepackage{amsmath}'],
leading_instructions=['\\footnotesize'])
segs_root = node(canvas, tree['root'])
segs_left = node(canvas, tree['left'], pen_color=colors.RED)
segs_right = node(canvas, tree['right'], pen_color=colors.RED)
segs_left_left = node(canvas, tree['left_left'], pen_color=colors.BLUE)
segs_left_right = node(canvas, tree['left_right'], pen_color=colors.BLUE)
segs_right_left = node(canvas, tree['right_left'], pen_color=colors.BLUE)
segs_right_right = node(canvas, tree['right_right'], pen_color=colors.BLUE)
from fathom import Point, ORIGIN
from fathom.tikz import Canvas
import fathom.geometry as geo
import fathom.layout as layout
import fathom.tikz.colors as colors
import fathom.tikz.line_styles as line_styles
import fathom.tikz.locations as locations
from itertools import *
from skiplist_lib import draw_doc_chain
if __name__ == '__main__':
tree = layout.tree(
['', ['a', ['al', ['ala', ['alan']], ['ali', ['alic', ['alice']]]]]],
root=ORIGIN,
h_sep=2,
v_sep=1)
canvas = Canvas(preamble=['\\usepackage{amsmath}'],
leading_instructions=['\\footnotesize'])
for k, v in tree.copy().items():
if k == '':
continue
if k == 'alan':
tree['alan'] = canvas.new_bullet(center=v, brush_color=colors.RED)
elif k == 'alice':
tree['alice'] = canvas.new_bullet(center=v, brush_color=colors.RED)
else:
tree[k] = canvas.new_bullet(center=v)
e = canvas.new_line(src=tree[''], dst=tree['a'])
r.vertices()[3]]),
dst=centroid([d.vertices()[0],
d.vertices()[1]]))
canvas.new_rectangle(vertices=[
segs[0].vertices()[0], segs[-1].vertices()[1], segs[-1].vertices()[2],
segs[0].vertices()[3]
])
for x in segs[1:]:
canvas.new_line(src=x.vertices()[0], dst=x.vertices()[3])
if __name__ == '__main__':
tree = layout.tree(
['root', ['left', ['left_up']], ['right', ['right_up']]],
root=ORIGIN,
h_sep=2,
v_sep=1.3)
for k, v in tree.copy().items():
tree[k] = upside_down(v)
canvas = Canvas(preamble=['\\usepackage{amsmath}'],
leading_instructions=['\\footnotesize'])
canvas.new_text(anchor=tree['left_up'], text='$121^\\circ$E')
left_up = canvas.new_rectangle(center=tree['left_up'],
width=1,
height=0.4,
pen_color=colors.INVISIBLE)
left = fraction(canvas, tree['left'], (180 + 121) / 360, colors.BLUE)
canvas.new_arrow(src=left_up,