On 3 July 2011 10:33, Wang Jun <daxi...@gmail.com> wrote: > Hello, Angus! > > For this method, if I want to draw a colorbar to indicate the specific > values > for the colors, what should I do? the colorbar() in pylab is not waorking > for > this case.
Use: plt.colorbar(ax.collections[0]) after the call to scatter, to get the correct mappable handle. I hope that helps, Angus. > Thanks, > Wang Jun > > 于 2011/7/3 8:48, matplotlib-users-requ...@lists.sourceforge.net 写道: >> >> On 1 July 2011 14:35, Francois Lemery<francois.lem...@gmail.com> wrote: >>> >>> > Hello, >>> > >>> > I am interested in producing a 4 dimensional plot to represent some >>> > data. >>> > >>> > I picture this as looking like a normal 3d scatter plot with >>> > datapoints >>> > varying in a color scale which depends on a fourth column of data. >>> > >>> > Could anyone help me with this- I have searched google and the >>> > matplotlib >>> > website and have only found some documentation for a MatLab solution >>> > bywhich >>> > I am not interested. >>> > >>> > Thank you kindly! >>> > -Francois >> >> How about this? >> >> from mpl_toolkits.mplot3d import Axes3D >> import matplotlib.pyplot as plt >> import numpy as np >> >> fig = plt.figure() >> ax = fig.add_subplot(111, projection='3d') >> >> x = np.random.standard_normal(100) >> y = np.random.standard_normal(100) >> z = np.random.standard_normal(100) >> c = np.random.standard_normal(100) >> >> ax.scatter(x, y, z, c=c, cmap=plt.hot()) >> plt.show() >> >> Angus. >> -- AJC McMorland Post-doctoral research fellow Neurobiology, University of >> Pittsburgh > > -- AJC McMorland Post-doctoral research fellow Neurobiology, University of Pittsburgh ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
