Chartography.net

    
from GChartWrapper import *
G = Line('mHMza', encoding='simple')
G.color('008000')
G.line(2.0,4.0,1.0)
G.size(200,140)
G.axes('x')
G.axes.label(0, None,'t',None,'F',None)
G.marker('tMin','blue',0,1,10)
G.marker('fMax','red',0,3,15)
G.margin(0,0,30,0)