Hi,
While upgrading from matplotlib 0.91.2 to 0.98.2 my software stop
working properly. I had to adapt one of my function to autoscale visible
lines. Basically, the modified function seems to work but when I use it
on a shared axes context I run into problem.
A small script in attachment illustrate the problem.
Actually, the second axes which sharex with first one, prevent the first
one to be scaled properly. The script works properly with matplotlib
0.91.2 but fail (autoscaling not working) using 0.98.2
Am I doing something wrong in my autoscale function while updating the
axs.dataLim ? Or is it something more tricky?
Thanks in advance for your help.
David
import matplotlib
def autoscale_visible_lines(axs):
"""
Function to autoscale only on visible lines.
"""
ignore = True
for line in (axs.lines):
if not line.get_visible():
continue #jump to next line if this one is not visible
if matplotlib.__version__ == '0.98.2':
axs.dataLim.update_from_data_xy(line.get_xydata(),
ignore)
else:
axs.dataLim.update_numerix(line.get_xdata(),
line.get_ydata(),
ignore)
ignore = False
axs.autoscale_view()
return None
import pylab as pl
if __name__ == "__main__":
axs1 = pl.subplot(111)
t = pl.arange(0.01, 190.0, 0.01)
s1 = pl.log(t)
l11, = pl.plot(t, s1, 'b-')
l12, = pl.plot(t-50, s1+10)
l11.set_visible(False)
l12.set_visible(True)
twinx = True
if twinx:
axs2 = pl.gcf().add_axes(axs1.get_position(),
sharex=axs1, frameon=False)
l21, = pl.plot([1], [1], 'r.')
autoscale_visible_lines(axs1)
pl.show()
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