Hi,
thanks a lot Eric! I'm sorry I bothered you with this. There's obviously an error in how my data generating script works. cheers, Paul. On 27. juli. 2009, at 21.48, Eric Firing wrote: > Paul Anton Letnes wrote: >> Hi, >> I'm having strange problems with contourf plots. The plotting >> routine is rather elaborate, so I don't have an easy way to >> reproduce the problem (unfortunately). The problem should be >> evident from the attachments. As you can see, the contourf routine >> doesn't color the whole plot area. Also, after some editing in >> Adobe Illustrator, it is also easy to see that some contours are >> drawn on top of others. This must surely be a bug? > > It is in your data file and/or your handling of it, not in contourf. > The problem is that your theta variable is not monotonic--it starts > and ends with zero. If you chop off the last line of your data > file, or equivalently chop off the last column of each array after > you read it, like this: > > > return thetas[:,:-1], freqs[:,:-1], Es[:,:-1] > > then the contouring works fine. > > Eric > >> I would like to note that this happened on the TkAgg (using >> show()), Agg (png format), ps (eps format), macosx (using show()) >> and pdf backends. Also, for some data sets, the plot turns out just >> fine - I get this problem only for some data sets. I have no idea >> how to debug this, so I'd appreciate any hints you might provide. >> The file original.pdf shows the matplotlib result. The file >> edited.pdf shows that you have contours on top of each other. The >> file gnuplot.png gives an idea of what the end result should be: a >> lot of bumps around 3.5 eV, but some of this structure is missing >> from the contourf plots. The gnuplot plot was generated from the >> same data (ASCII text) file. >> Best regards, >> Paul. >> ------------------------------------------------------------------------ >> ------------------------------------------------------------------------ >> ------------------------------------------------------------------------------ >> ------------------------------------------------------------------------ >> _______________________________________________ >> Matplotlib-users mailing list >> Matplotlib-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users > ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
