Lorenzo, 1) What version of mpl are you using?
2) Please generate a short, simple stand-alone script that illustrates the problem. Use some minimal amount of fake data, preferably generated by a function rather than read from a table. Eric Lorenzo Isella wrote: > Dear All, > Some weeks ago I emailed the list asking how to represent data on a > non-rectangular domain (namely a velocity component along a tube > cross-section in my case). > I now can tell that everything goes as in the example described by > Hansen in Matplotlib-users Digest, Vol 14, Issue 13, which dealt about > plotting a contour of gridded data. > However, when I try the following (rsin_t and rcos_t contain the > position of a point on a circle, namely > (r*cos(t), r*sin(t)) ): > > import pylab > #.... do my stuff here to load the data and manipulate the coordinates > > #pylab.colorbar() > pylab.clf() > pylab.contourf(rsin_t.transpose(), rcos_t.transpose(), > vel_section.transpose(),arange(min(ravel(vel_section)),(max(ravel(vel_section))+0.01),0.01),interpolation="bilinear",cmap=pylab.cm.jet) > pylab.colorbar() > > #pylab.show() > > pylab.savefig("velocity_on_section.png") > pylab.hold(False) > > Everything is almost fine if it was not for the following two problems: > (1)the colorbar contains shows colors ranging from 0 to 1, whereas the > represented scalar for the contour plot goes from 0 to 0.76. > (2)centered below the colorbar (not at its left-hand side, where there > is a 0), there is a number with many digits which cannot be even > properly read; I do not know where it comes from, but I would like to > get rid of it. > > Overall, pylab is doing everything I want, just I would like to iron out > these last glitches, probably due to something I am doing wrong. > Many thanks for any suggestion here. > > Lorenzo > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. > Still grepping through log files to find problems? Stop. > Now Search log events and configuration files using AJAX and a browser. > Download your FREE copy of Splunk now >> http://get.splunk.com/ > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users