I am trying make a plot that is in a loop and replots when new data is
updated.
#IN A LOOP
fig = plt.figure(1,[10,10])
fig.clf
prop = matplotlib.font_manager.FontProperties(size=8)
xMin = dates[1]
xMax = dates[-1]
#temperature plot
yMin = min(temperatureSQLData)
yMax = max(temperatureSQLData)
minTemperature = "Min = %.3f " % min(temperatureSQLData) + 'deg ' + 'C'
minTemperatureIndex = temperatureSQLData.index(yMin)
maxTemperature = "Max = %.3f " % max(temperatureSQLData) + 'deg ' + 'C'
maxTemperatureIndex = temperatureSQLData.index(yMax)
ax1 = fig.add_subplot(511)
ax1.cla
plt.hold(True)
plt.plot(dates,temperatureSQLData,'r')
plt.plot(dates[minTemperatureIndex],yMin,'ro',label=minTemperature)
plt.plot(dates[maxTemperatureIndex],yMax,'bo',label=maxTemperature)
plt.hold(False)
plt.title("Water Conditions for the last 7 Days.")
plt.xlim([xMin,xMax])
plt.ylim([yMin-1,yMax+1])
plt.ylabel('Temperature')
ax1.legend(numpoints=1,prop=prop)
dateFormat = mpl.dates.DateFormatter('%m/%d/%Y')
ax1.xaxis.set_major_formatter(dateFormat)
daysLocation = mpl.dates.DayLocator()
ax1.xaxis.set_major_locator(daysLocation)
hoursLocation = mpl.dates.HourLocator(interval=4)
ax1.xaxis.set_minor_locator(hoursLocation)
The problem is that the number of items in my legend grows with each
iteration of the loop. Any help would be appreciated!
--
View this message in context:
http://old.nabble.com/My-Legend-keeps-growing%21-Help-tp29538626p29538626.html
Sent from the matplotlib - users mailing list archive at Nabble.com.
------------------------------------------------------------------------------
Sell apps to millions through the Intel(R) Atom(Tm) Developer Program
Be part of this innovative community and reach millions of netbook users
worldwide. Take advantage of special opportunities to increase revenue and
speed time-to-market. Join now, and jumpstart your future.
http://p.sf.net/sfu/intel-atom-d2d
_______________________________________________
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-users
