Tanks, Michael. Maybe I'll try to build from SVN this weekend. Goyo
El jue, 18-09-2008 a las 09:31 -0400, Michael Droettboom escribió: > Proper NaN handling has been a long and winding road. > > This particuar bug you're running into was fixed about a week *after* > the 0.98.3 release. Here's the patch: > > http://matplotlib.svn.sourceforge.net/viewvc/matplotlib?view=rev&revision=6018 > > So SVN trunk currently works. The patch against 0.98.3 is non-trivial > -- there were actually many changes throughout the code to make all this > work, so there isn't an easy workaround, and in any case requires a > recompile. > > If you can build from SVN, that's what I would suggest -- otherwise wait > for the 0.98.4 release (I don't believe we have an ETA on that, yet). > > Cheers, > Mike > > Goyo wrote: > > I'm having trouble plotting data with NaN values. My plot has lines and > > markers and usually both are skipped for NaN values. But when I have > > more than 127 data a line is drawn from the last non-NaN to the next. > > > > I read somewhere about a similar issue (maybe here? sorry I can't find > > it just now), it seems like it has to do with some optimization > > performed for large datasets and the use if lineto instead of moveto or > > something like that. It was supposed to be fixed in 0.98.2 but I'm using > > 0.98.3 from Benjamin Drung's PPA (http://ppa.launchpad.net/bdrung). > > > > This code shows the difference between plotting 127 and 128 data (look > > at the left of each figure): > > > > import pylab as pl > > x = pl.random(128) > > x[4:7] = pl.NaN > > y = x[:-1] > > pl.figure(1) > > pl.plot(x, '-o') > > pl.grid(True) > > pl.figure(2) > > pl.plot(y, '-o') > > pl.grid(True) > > pl.show() > > > > Is this a known issue? Is there any workaround? > > > > Thanks > > > > Goyo > > > > > > ------------------------------------------------------------------------- > > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > > Build the coolest Linux based applications with Moblin SDK & win great > > prizes > > Grand prize is a trip for two to an Open Source event anywhere in the world > > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > > _______________________________________________ > > Matplotlib-users mailing list > > Matplotlib-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > > > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
