picea 0.0.19

A lightweight python library for working with trees and biological sequence collections

picea

Lightweight python library for working with trees and sequence collections

pip install picea

The above figure can be generated with the following code

from picea import Tree, treeplot
import matplotlib.pyplot as plt

newick = '(((a,b),(c,d)),e)'
tree = Tree.from_newick(newick)

fig, (ax1, ax2) = plt.subplots(ncols = 2, figsize = (10, 4))

#left-to-right layout with direct links
treeplot(tree, style='rectangular', ltr=True, ax=ax1)

#right-to-left layout with square links
treeplot(tree, style='square', ltr=False, ax=ax2)