On Tue, Feb 2, 2010 at 7:47 AM, Luc Gervais <luc.g...@gmail.com> wrote: > Hello all, > > I am creating radar plots in matplolib and I cannot get transparent polygons. > > I have run the examples from the gallery: > http://matplotlib.sourceforge.net/examples/api/radar_chart.html > http://matplotlib.sourceforge.net/examples/pylab_examples/polar_bar.html > > The colours show differently on my computer and the polygons are opaque. I > have changed > ax.set_alpha(0-1) > ax.fill(theta, d, facecolor=color, alpha=0-1) > plt.Polygon(verts, closed=True, edgecolor='k', alpha=0-1)
You are writing "0-1" which is -1 which is not a valid alpha value. This should probably raise an exception, but apparently it doesn't. Valid alphas are in the range 0 to 1 Try 0.1 rather than 0-1. Note alpha is not supported in postscript output, but does work in raster displays, PNG, PDF and SVG. JDH ------------------------------------------------------------------------------ The Planet: dedicated and managed hosting, cloud storage, colocation Stay online with enterprise data centers and the best network in the business Choose flexible plans and management services without long-term contracts Personal 24x7 support from experience hosting pros just a phone call away. http://p.sf.net/sfu/theplanet-com _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
