From: Jeff Whitaker <jswhit@fa...>  20050126 18:04:01

Nils Wagner wrote: > Hi all, > > How can I add vertical/horizontal lines (x=constant, y=constant > respectively) to an existing plot with matplotlib ? > A small example would be appreciated. See http://matplotlib.sourceforge.net/matplotlib.pylab.html#axhline and http://matplotlib.sourceforge.net/matplotlib.pylab.html#axvline > > Is there a simple command to plot closed polygons, which are defined > by the coordinates of the vertices ? > http://matplotlib.sourceforge.net/matplotlib.pylab.html#fill See axhspan_demo.py and fill_demo.py for example usage. Jeff  Jeffrey S. Whitaker Phone : (303)4976313 Meteorologist FAX : (303)4976449 NOAA/OAR/CDC R/CDC1 Email : Jeffrey.S.Whitaker@... 325 Broadway Web : http://www.cdc.noaa.gov/~jsw Boulder, CO, USA 803033328 Office : Skaggs Research Cntr 1D124 