From: Nicolas Gruel <gruel@as...>  20060519 16:31:41

Hi, it seems that there are a bug in numerix with numarray (it's working fine w= ith=20 numpy) and the random array package. $ python scatter_custom_symbol.py Traceback (most recent call last): File "scatter_custom_symbol.py", line 9, in ? x,y,s,c =3D nx.rand(4, 30) AttributeError: 'module' object has no attribute 'rand' humufr@...:~/tmp/Python/SCIPY/matplotlib/matplotlib/examples N. Le Friday 19 Mai 2006 10:10, John Hunter a =E9crit=A0: > >>>>> "Eric" =3D=3D Eric Emsellem <emsellem@...> writes: > > Eric> Hi again, I am trying to see if I could produce a scatter > Eric> plot (using "scatter" or "plot") but using NEW symbols (so > Eric> not already available in the list provided). I would like to > Eric> design new symbols (in some way which is to be defined) so > Eric> that scatter and/or plot would be able to use them. > Eric> Examples: horizontal or vertical or even rotated ellipses, > Eric> icon sketched galaxylooking symbols, ... > > Eric> Any hint on how to do this? > > Eric> thanks in advance for any help here! > > Eric> Eric P.S.: I already posted a similar question a few days > Eric> ago, so forgive me for this repetition... > > persistence wins the day! > > I added an option to scatter to support custom markers. You pass in a > list if x,y vertices for the polygon you want to use as the marker. > > I haven't quite worked out the scaling yet, so for now use scale > arguments that look right and understand that this may change when we > get the scaling issue cleaned up. > > I added an example to svn revision 2402 > examples/scatter_custom_symbol.py. Here it is, using an ellipse > > from pylab import figure, nx, show > > # unit area ellipse > rx, ry =3D 3., 1. > area =3D rx * ry * nx.pi > theta =3D nx.arange(0, 2*nx.pi+0.01, 0.1) > verts =3D zip(rx/area*nx.cos(theta), ry/area*nx.sin(theta)) > > x,y,s,c =3D nx.rand(4, 30) > s*=3D 10**2. > > > fig =3D figure() > ax =3D fig.add_subplot(111) > ax.scatter(x,y,s,c,marker=3DNone,verts =3Dverts) > > show() > > One thing we can do to make this more user friendly is to add new > symbols to the scatter symbol table, eg > > 'wellipse' : a wide ellipse > 'tellipse' : a tall ellipse > > and map names to sequences of vertices. So as you create the custom > symbols you want to use, send them to me and I'll add them to the > defaults, where appropriate. > > Cheers, > JDH > > >  > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with preintegrated technology to make your job > easier Download IBM WebSphere Application Server v.1.0.1 based on Apache > Geronimo > http://sel.asus.falkag.net/sel?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat= =3D121642 > _______________________________________________ > Matplotlibusers mailing list > Matplotlibusers@... > https://lists.sourceforge.net/lists/listinfo/matplotlibusers 