[chimera-dev] atom spec. in BNF
pett at cgl.ucsf.edu
Wed Nov 5 14:26:16 PST 2008
On Nov 5, 2008, at 2:03 PM, David A. C. Beck wrote:
> Does anyone have BNF notation for the atom specification 'language'
> by Chimera?
I don't think so. What's the use case here? If you're in the context
of Chimera, you should be able to use Chimera's own atom-spec parsing
facilities, e.g. chimera.specifier.evalSpec(). Outside of Chimera,
I'm aware of a pretty extensive but not totally complete parser in
perl: Chemistry::MidasPattern - Select atoms in macromolecules -
UCSF Computer Graphics Lab
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