thanks, of course, this work. I will have to edit ticks labels ... shall we expect a correction in near future ?
best, -- RHENOVIA - Arnaud LEGENDRE. Le mardi 06 décembre 2011 à 10:45 -0600, Benjamin Root a écrit : > On Tue, Dec 6, 2011 at 10:08 AM, Arnaud <arnaud.legen...@rhenovia.com> > wrote: > Hello, > > i encountered a problem when trying to set axes as logarithmic > in a 3D > plot using plot_surface(). > > I do not know if it is a known bug or if it is a > workaround ...? > > Yes, this is a known bug and it is a very tricky one to untangle. My > only suggestion is to plot the function using linearized log values. > So, maybe something like this: > > #!/usr/bin/python > import os > import sys > from pylab import * > from mpl_toolkits.mplot3d import Axes3D > from mpl_toolkits.mplot3d import axes3d > import numpy as np > # parameters we bach on > X = np.log10(np.arange(0.1, 20, 0.5)) > Y = np.log10(np.arange(0.1, 20, 0.5)) > X, Y = np.meshgrid(X, Y) > R = np.sqrt((10**X-10)**2 + (10**Y-10)**2) > Z = np.sin(R) > > fig = figure(num=None, figsize=(6, 6), dpi=80, facecolor='#F2F2F2', > edgecolor='k') > ax = subplot(111,projection='3d') > ax.plot_surface(X,Y,Z, rstride=1, cstride=1, cmap=cm.jet, > linewidths=.5) > > show() > > Now, that won't make the points evenly spaced, so you might want to do > something like the following: > > X = np.log10(np.logspace(-1, 1.3, 40)) > > I hope that helps! > Ben Root > ------------------------------------------------------------------------------ Cloud Services Checklist: Pricing and Packaging Optimization This white paper is intended to serve as a reference, checklist and point of discussion for anyone considering optimizing the pricing and packaging model of a cloud services business. Read Now! http://www.accelacomm.com/jaw/sfnl/114/51491232/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
