val = mdates.drange(date1,date2,delta) # the bar lengths
pos = range(len(val)) # the bar centers on the y axis
height=0.5 # the bar height
left=mdates.drange(date1,date2,delta) # the bar starting position
Hello, I'm trying to create a bar chart that looks something like a gannt chart...
See the simple example here:
[http://www.promana.net/making-use-of-gantt-charts/](http://www.promana.net/making-use-of-gantt-charts/)
I'm trying to utilize barh() and fmt_xdata to accomplish this with the
following:
#~~~~~~~~~~~~~~~~~~~~~~~
date1 = datetime.datetime( 2000, 3, 2)
date2 = datetime.datetime( 2000, 3, 6)
delta = datetime.timedelta(hours=6)
dates = mdates.drange(date1, date2, delta)
val = mdates.drange(date1,date2,delta) # the bar lengths
pos = range(len(val)) # the bar centers on the y axis
height=0.5 # the bar height
left=mdates.drange(date1,date2,delta) # the bar starting position
fig = plt.figure()
ax = fig.add_subplot(111)
ax.barh(pos,val,height=height,left=left,align='center',alpha=0.3)
ax.fmt_xdata = mdates.DateFormatter('%Y-%m-%d %H:%M:%S')
#~~~~~~~~~~~~~~~~~~~~~~~
Even with ax.fmt_xdata, I'm simply getting numbers on the x-axis instead of
dates. Can anyone offer some pointers?
Thanks,
James
val = mdates.drange(date1,date2,delta) # the bar lengths
pos = range(len(val)) # the bar centers on the y axis
height=0.5 # the bar height
left=mdates.drange(date1,date2,delta) # the bar starting position
Even with ax.fmt_xdata, I'm simply getting numbers on the x-axis instead
of
dates. Can anyone offer some pointers?
Thanks,
James
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This worked. Thank you very much! For some reason I had commented out
ax.fmt_xdata = ...
This is exactly what I needed.
James
Goyo wrote:
···
2011/4/23 jfortiv <jfortiv@...287...>:
Hi,
This actually did not work for me. Can you show me the full code that
you
used to successfully produce the time-format x-axis labels?
See attached files.
Goyo
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