This is a new one on me and extremely distressing:
If I plot 139 dates versus 139 values, everything is OK
In [40]: stamp = datetime.today()
In [44]: from datetime import timedelta
In [45]: inc = timedelta(1)
In [46]: stamps = [stamp + inc * i for i in xrange(139)]
In [47]: values = np.random.randn(139)
In [48]: plt.plot(stamps, values)
Out[48]: [<matplotlib.lines.Line2D at 0x6ed0e50>]
See plot 1 attached
However, if I increase it to 140 (!), all hell breaks loose:
In [49]: stamps = [stamp + inc * i for i in xrange(140)]
In [50]: values = np.random.randn(140)
In [51]: plt.plot(stamps, values)
Out[51]: [<matplotlib.lines.Line2D at 0x73a21d0>]
see plot 2
It seems to get ahold of itself at 153 dates (but not 152!). I tested
this both with git master and v1.1.0. I don't even know what to say.
thanks,
Wes
This is a new one on me and extremely distressing:
If I plot 139 dates versus 139 values, everything is OK
In [40]: stamp = datetime.today()
In [44]: from datetime import timedelta
In [45]: inc = timedelta(1)
In [46]: stamps = [stamp + inc * i for i in xrange(139)]
In [47]: values = np.random.randn(139)
In [48]: plt.plot(stamps, values)
Out[48]: [<matplotlib.lines.Line2D at 0x6ed0e50>]
See plot 1 attached
However, if I increase it to 140 (!), all hell breaks loose:
In [49]: stamps = [stamp + inc * i for i in xrange(140)]
In [50]: values = np.random.randn(140)
In [51]: plt.plot(stamps, values)
Out[51]: [<matplotlib.lines.Line2D at 0x73a21d0>]
see plot 2
It seems to get ahold of itself at 153 dates (but not 152!). I tested
this both with git master and v1.1.0. I don't even know what to say.
Confirmed. The AutoDateLocator is using an RRuleLocator which is cranking out a tick for every day. I suspect the problem is in AutoDateLocator.get_locator(); it is not finding what it is looking for, so it is falling back on a default. I can't look into it any time soon, so I hope someone else can; I'm not familiar with this code.
Eric
ยทยทยท
On 12/18/2011 01:13 PM, Wes McKinney wrote:
thanks,
Wes