On 2013/06/10 2:08 PM, Sudheer Joseph wrote:
>
> Thank you,
> So there is no way to get J F M A etc with out reducing font size? We
> often need to make presentation in front of senior people who insist for
> bigger fonts.
> With best regards,
> Sudheer
One way is to subclass DateFormatter, e.g.,
class MonthLetter(DateFormatter):
def __init__(self):
DateFormatter.__init__(self, "%b")
def __call__(*args):
s = DateFormatter.__call__(*args)
return s[:1]
class MonthLetterYear(DateFormatter):
def __init__(self):
DateFormatter.__init__(self, "%b\n%Y")
def __call__(*args):
s = DateFormatter.__call__(*args)
return = s[:1] + s[3:]
...
majorFmt = MonthLetterYear()
minorFmt = MonthLetter()
Not tested, but something like that should work.
Eric
>
>
> ------------------------------------------------------------------------
> *From: * Paul Hobson <[email protected]>;
> *To: * Sudheer Joseph <[email protected]>;
> *Cc: * [email protected]
> <[email protected]>;
> *Subject: * Re: [Matplotlib-users] time axis format
> *Sent: * Mon, Jun 10, 2013 8:08:18 PM
>
> In that case, I would use ax.tick_params(...) to make the font smaller.
>
>
> On Sat, Jun 8, 2013 at 7:36 AM, Sudheer Joseph <[email protected]
> <javascript:return>> wrote:
>
> Dear Paul,
> The issue I am facing is like in the attached plot
> where the month naming get cluttered.
> with best regards,
> Sudheer
> ***************************************************************
> Sudheer Joseph
> Indian National Centre for Ocean Information Services
> Ministry of Earth Sciences, Govt. of India
> POST BOX NO: 21, IDA Jeedeemetla P.O.
> Via Pragathi Nagar,Kukatpally, Hyderabad; Pin:5000 55
> Tel:+91-40-23886047(O),Fax:+91-40-23895011(O),
> Tel:+91-40-23044600(R),Tel:+91-40-9440832534(Mobile)
> E-mail:[email protected]
> <javascript:return>;[email protected] <javascript:return>
> Web- http://oppamthadathil.tripod.com
> ***************************************************************
>
>
> ------------------------------------------------------------------------
> *From:* Sudheer Joseph <[email protected]
> <javascript:return>>
> *To:* Paul Hobson <[email protected] <javascript:return>>
> *Cc:* "[email protected]
> <javascript:return>" <[email protected]
> <javascript:return>>
> *Sent:* Saturday, 8 June 2013 7:46 PM
>
> *Subject:* Re: [Matplotlib-users] time axis format
>
> Thank you Paul for the helping hand,
> However I was looking for
> slightly different solution like in the attached plots. I used
> ferret to do this based on the length of the time axis it chose
> the mode of labelling. for example in case of 2 year plot it
> made month labeling as j f m etc and in case of 1 year as there
> is enough space on x axis it made jan feb etc with single label
> of year.
>
> In the attached python plot (ATser_RAMA_HYCOM_U_8n90e.png) every
> tick point is lablled for year, which I wanted to avoid and get
> plots similar to the first types thought it is not done
> automatically but at least manually.
>
>
> ***************************************************************
> Sudheer Joseph
> Indian National Centre for Ocean Information Services
> Ministry of Earth Sciences, Govt. of India
> POST BOX NO: 21, IDA Jeedeemetla P.O.
> Via Pragathi Nagar,Kukatpally, Hyderabad; Pin:5000 55
> Tel:+91-40-23886047(O),Fax:+91-40-23895011(O),
> Tel:+91-40-23044600(R),Tel:+91-40-9440832534(Mobile)
> E-mail:[email protected]
> <javascript:return>;[email protected] <javascript:return>
> Web- http://oppamthadathil.tripod.com
> ***************************************************************
>
>
> ------------------------------------------------------------------------
> *From:* Paul Hobson <[email protected] <javascript:return>>
> *To:* Sudheer Joseph <[email protected]
> <javascript:return>>
> *Cc:* "[email protected]
> <javascript:return>" <[email protected]
> <javascript:return>>
> *Sent:* Friday, 7 June 2013 8:50 PM
> *Subject:* Re: [Matplotlib-users] time axis format
>
>
>
>
> On Thu, Jun 6, 2013 at 11:39 PM, Sudheer Joseph
> <[email protected] <javascript:return>> wrote:
>
> Dear Experts,
> I have been experimenting with the
> plot_dates option of matplotlib to plot time series data
> and have below questions
>
> I have used
> loc = mdates.AutoDateLocator()
> ax.xaxis.set_major_locator(loc)
> ax.xaxis.set_major_formatter(mpl.dates.DateFormatter('%b\n
> %Y'))
>
>
> and got the tick labels in attached plot
>
> However I feel the repeatd year labeling is not needed
> here and it is required once in a year only , Also if I
> need to plot long time seris insted of "MAR" "APR" I
> wanted to get them reduced to "M" "A" etc so that the
> lavel congestion can be avoided.
>
>
> I notice that below options are available, but was
> wondering how commbinatins of these locateors are used
> ie mark every month and every year once each.
>
>
> Is there a way to achive the above or does it need
> further development?
>
> fmt = mdates.DateFormatter('%Y-%m-%d')
> loc =
> mdates.WeekdayLocator(byweekday=mdates.MONDAY,interval=4)
> locator = mdates.YearLocator()
>
>
> If I were trying to do this, I'd cobble something together
> using by the minor and major formatters.
> e.g.,...
> import matplotlib.dates as mdates
> import matplotlib.pyplot as plt
>
> fig, ax = plt.subplots()
>
> majorLocs = mdates.MonthLocator(bymonth[1,7])
> majorFmt = mdates.DateFormatter('%b\n%Y')
>
> minorLocs = mdates.MonthLocator(bymonth[1,7])
> minorFmt = mdates.DateFormatter('%b')
>
> ax.xaxis.set_major_locator(majorLocs)
> ax.xaxis.set_major_formatter(majorFmt)
>
> ax.xaxis.set_minor_locator(minorLocs)
> ax.xaxis.set_minor_formatter(minorFmt)
>
>
>
>
>
>
>
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