import pyqplot as qp
import numpy as np

qp.figure('reftext', 3, 3)

qp.pen('666')
qp.plot([0, 1],[0, 0])
qp.plot([0, 1],[.5, .5])
qp.plot([0, 1],[2, 2])
qp.plot([0, 1],[1.5, 1.5])

qp.pen('k')
qp.font('Helvetica', 15)
qp.align('top')

qp.at(.25, 2)
qp.text('Without')
qp.at(.5, 2)
qp.text('a')
qp.at(.75, 2)
qp.text('reference')

qp.reftext('With a reference')

qp.at(.25, 1.5)
qp.text('With')
qp.at(.5, 1.5)
qp.text('a')
qp.at(.75, 1.5)
qp.text('reference')

qp.reftext('')

qp.align('bottom')

qp.at(.25, 0.5)
qp.text('Baseline')
qp.at(.75, .5)
qp.text('wobbly')

qp.reftext('Baseline not wobbly')

qp.at(.25, 0)
qp.text('Baseline')
qp.at(.5, 0)
qp.text('not')
qp.at(.75, 0)
qp.text('wobbly')