Alan G Isaac wrote: > I have a collection of 2d points xy. > Instead of simply plotting the points, > I'd like to plot a collection of arrows > that goes from each point to the next. > The "from" is easy of course; > the "to" is the problem. > > I think I should be able to use quiver, > but I'm not getting it quite right. > E.g., > > x,y = zip(*xy) > u,v = np.diff(x), np.diff(y) > quiver(x[:-1], y[:-1], u, v, angles='xy') > > looks like a start but does not get there. > I guessed that `scale=1` would complete > the picture, but that just showed that I > misunderstood `scale`. > > Suggestions?
Try this: quiver(x[:-1], y[:-1], u, v, angles='xy', units='x', scale=1) Eric ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
