Re: [Matplotlib-users] add an arrow to a lineEnd

2008-06-03 Thread Friedrich Hagedorn
On Tue, Jun 03, 2008 at 03:55:48PM +0200, Friedrich Hagedorn wrote: I want do add an arrow *tip* to a line with the same angle. It should behave like a marker: it should not resize when I zoom in. By, Friedrich - This

Re: [Matplotlib-users] add an arrow to a lineEnd

2008-06-03 Thread Friedrich Hagedorn
Hello, I want do add an arrow *tip* to a line with the same angle. I have tried this: from pylab import * from matplotlib import collections, transforms def MyArrow(ax, x, y, ang, scale=50, over=.5, color='k'): ar = [(0,0), (-.5,-over), (0,1), (.5,-over), (0,0)] col =

[Matplotlib-users] add an arrow to a lineEnd

2008-06-02 Thread Friedrich Hagedorn
Hello, the original problem that I have is to add an arrow to the end of a plotted line. I tried this from pylab import * x=linspace(0, 1.85, 100) y=sin(x) dx=x[-1] - x[-2] dy=y[-1] - y[-2] plot(x,y,lw=2) arrow(x[-2], y[-2], dx, dy, width=.02, length_includes_head=True,