The bug was actually in the path simplification. In really degenerate cases (bravo for finding it) of paths that are completely outside of the clip region, it would create a path with a single LINETO command.
This is now fixed in SVN on the branch and trunk. Mike Michael Droettboom wrote: > Jouni K. Seppänen wrote: > >> Jeff Whitaker <jsw...@fastmail.fm> writes: >> >> >> >>> Jouni: That test script now crashes with: >>> >>> File "/Users/jwhitaker/lib/python/matplotlib/backends/backend_pdf.py", >>> line 1214, in pathOperations >>> raise ValueError, 'Path lacks initial MOVETO' >>> ValueError: Path lacks initial MOVETO >>> >>> >> I think this confirms my suspicion that the bug is really elsewhere. A >> path in PDF needs to begin with a "m" that sets the initial point, and >> that particular Path object only consisted of one LINETO operation. Am I >> correct in thinking that this is an invalid path? >> >> > Yes -- that path should be considered invalid, though the Path class > doesn't do any verification. I'll add this. I'm surprised that it's > coming from the line class, which in general doesn't allow for > customization of the path codes. There must be something unanticipated > happening. > > Cheers, > Mike > > -- Michael Droettboom Science Software Branch Operations and Engineering Division Space Telescope Science Institute Operated by AURA for NASA ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
