Xavier Gnata wrote: > ax.plot(t[s>=0],s[s>=0],"g") > ax.plot(t[s<0],s[s<0],"r") >
I don't think it does what you want, though, unless you are plotting markers, not lines. With lines, you will have line segments approximately on the x-axis across the gaps. Using masked arrays avoids that. The gaps (masked segments) will not be stroked. Eric > > Whaou! That's what I call a nice pythonic syntax. > > XAvier > >> Maybe a little shorter is the where() keyword, and even that can be omitted: >> >> ax.plot(t[where(s>=0)],s[where(s>=0)],"g") >> ax.plot(t[where(s<0)],s[where(s<0)],"r") >> >> or, shorter: >> >> ax.plot(t[s>=0],s[s>=0],"g") >> ax.plot(t[s<0],s[s<0],"r") >> >> cheers >> >> Thomas >> >> >> >> Xavier Gnata-2 wrote: >> >>> Hi, >>> >>> Imagine you have something like: >>> >>> from pylab import * >>> t = arange(0.0, 2.0, 0.01) >>> s = sin(2*pi*t) >>> ax = subplot(111) >>> ax.plot(t, s) >>> >>> That's fine but now I would like to plot the negative parts of the curve >>> in red and the positive one in green. >>> Is there a nice pylab oriented way to do that? Some kind of "conditional >>> formating"? >>> >>> Xavier >>> >>> ------------------------------------------------------------------------------ >>> Come build with us! The BlackBerry(R) Developer Conference in SF, CA >>> is the only developer event you need to attend this year. Jumpstart your >>> developing skills, take BlackBerry mobile applications to market and stay >>> ahead of the curve. Join us from November 9 - 12, 2009. Register now! >>> http://p.sf.net/sfu/devconference >>> _______________________________________________ >>> Matplotlib-users mailing list >>> Matplotlib-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >>> >>> >>> >> > > > ------------------------------------------------------------------------------ > Come build with us! The BlackBerry(R) Developer Conference in SF, CA > is the only developer event you need to attend this year. Jumpstart your > developing skills, take BlackBerry mobile applications to market and stay > ahead of the curve. Join us from November 9 - 12, 2009. Register now! > http://p.sf.net/sfu/devconference > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
