On 24-Sep-08, at 6:15 PM, John Hunter wrote: > On Wed, Sep 24, 2008 at 6:05 AM, Saju Pillai <[EMAIL PROTECTED]> > wrote: >> Hi, >> >> Just started playing with matplotlib and it is very impressive. >> >> I have a question on controlling the x-axis values being plotted. >> Say I am recording a stock price every hour from say 10am to 3pm on a >> daily basis. I am trying to plot a multi-day chart such that after >> the >> data for 3pm on Day 1 is plotted, the next data should be for 10am on >> Day 2. Currently matplotlib is automatically adding all the hours >> from >> 3pm on Day 1 till 10pm on Day 2 even if I am only supplying the x- >> axis >> values that I want to be plotted. > > Take a look at the date_index_formatter.py example -- this uses daily > data and skips the weekends but it is conceptually similar to your > problem > > > http://matplotlib.sourceforge.net/examples/pylab_examples/date_index_formatter.py
This worked perfectly. Thanks. -srp > > > The approach is to plot evently spaced indices for the xaxis, and then > use your date vector as a lookup table for formatting the x > locations. The same approach could be used for a date index locator, > to put the ticks where you want them. See the chapter on tick > locating and formatting in the user's guide for background, and let me > know if you get stuck. ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
