On Thu, Sep 06, 2007 at 07:55:13PM -0700, Andrew Straw wrote: > Gael Varoquaux wrote: > > On Thu, Sep 06, 2007 at 08:46:24AM -0400, Paul Kienzle wrote: > >> We could store a copy of the png output somewhere in the svn tree. > >> Then, > >> whenever we change something we can do a binary comparison on all the > >> plots. It would avoid issues such as breakage of polar plots where the > >> author of the changes didn't consider that it would affect polar plot > >> output. Similarly for ps/pdf. Differences in fonts between platforms > >> might be a problem in this scheme. > > > > VTK does this for automated testing. > > Is there a URL that describes this in much detail -- a little searching > turns up the odd tidbit, but nothing I can sink my teeth into. I'm > interested because my understanding is that different OpenGL > implementations draw things (slightly) differently, so I'd be curious > how they deal with that...
I am interested in this problem, too. A binary comparison would probably be too sensitive. How about comparing coefficients of some transform? I.e. the residual on certain Fourier coefficients or parts of a wavelet transform? Cheers Stéfan ------------------------------------------------------------------------- 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-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
