Greg, Thank you very much for your help. Everything works perfectly and you are right, it is much simpler than before. If you have time to implement drawing on a non-white canvas it would be a great feature. Otherwise, no big deal.
Thanks again. Don On 06/10/2011 09:28 PM, Greg Landrum wrote: > Hi Don, > > On Sat, Jun 11, 2011 at 12:32 AM, Donald Keidel<donald.kei...@gmail.com> > wrote: >> Hi, >> >> Today I checked out the lastest version from the svn. I took only the >> trunk and built this and ran a python script I used with a previous >> version to depict a molecule. However, I received the following error: >> >> AttributeError: type object 'MolDrawing' has no attribute 'registerCanvas' >> > the registerCanvas() function was removed in the Q1 2011 release. I > forgot to mention this specifically in the release notes (they only > mention that the drawing code has been refactored). > >> I did the following in the python script much like the people at cinfony >> do to depict with aggdraw: >> > <snip> > > There were a number of changes to the drawing interface that make what > you want to do somewhat easier. The biggest one is that > Draw.MolToImage will automatically take care of finding a working > canvas and will return a PIL image that you can use in the rest of > what you're doing. I'm attaching a version of your code that works for > at least simple stuff, you should definitely go through it and make > sure everything is really ok. One expansion in capability you may or > may not want: this no longer requires aggdraw. It tries cairo, then > aggdraw, then sping (built in). If you want to force use of aggdraw, > add at the top of the file: > import os > os.environ['RDKIT_CANVAS']='agg' > > One big caveat: drawing on a non-white background doesn't work. It > didn't work before either, so this is nothing new. If there's a real > demand for this feature, it can be added to a future RDKit release. > > -greg ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Rdkit-discuss mailing list Rdkit-discuss@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rdkit-discuss
