Dear all,

This morning I tagged the beta for the Q4 2010 (2010.12 in the new
numbering) release in svn:
http://rdkit.svn.sourceforge.net/viewvc/rdkit/tags/Release_2010_12_1beta1/

and uploaded a source distribution to the google code site:
http://code.google.com/p/rdkit/downloads/detail?name=RDKit_2010_12_1beta1.tg

If there's demand for it, I will also put up a windows binary.

As usual: if no show-stopper bugs appear, I will do the release itself
in about a week.

Excerpts from the release notes are below.

Best Regards,
-greg

******  Release_2010.12.1 *******
(Changes relative to Release_2010.09.1)

!!!!!! IMPORTANT !!!!!!
 - Due to changes made to the fingerprinting code, RDKit and layered
   fingerprints generated with this release are not compatible with
   those from previous releases. For users of the database cartridge:
   you will need to re-generate RDKit fingerprint columns and any
   indices on molecule tables.

Acknowledgements:
 - Eddie Cao, Andrew Dalke, James Davidson, Kirk DeLisle, Peter Gedeck,
   Gianluca Sforna, Nik Stiefl, Riccardo Vianello

Bug Fixes:
 - The depiction code no longer crashes with single-atom templates
   (issue 3122141)
 - Aromatic bonds in the beginning of a SMILES branch are now
   correctly parsed (issue 3127883)
 - A crash when generating 2d constrained coordinates was fixed (issue
   3135833)
 - Stereochemistry no longer removed from double bonds in large
   rings. (issue 3139534)
 - Atom mapping information no longer in reaction products (issue
   3140490)
 - Smiles parse failure with repeated ring labels and dot disconnects
   fixed (issue 3145697)
 - a bug causing the molecule drawing code to not use the cairo canvas
   when it's installed was fixed

New Features:
 - All molecular descriptor calculators are now pulled in by the
   rdkit.Chem.Descriptors module. So you can do things like:
   Descriptors.MolLogP(mol) or Descriptors.fr_amide(mol)
 - Atom-map numbers in SMILES are now supported. They can be accessed
   as the atomic "molAtomMapNumber" property. (issue 3140494)
 - It's now possible to tell the RDKit to generate non-canonical
   SMILES via an optional argument to MolToSmiles. This is faster than
   generating canonical SMILES, but is primarity intended for
   debugging/testing. (issue 3140495)
 - The function GenerateDepictionMatching2DStructure() has been added
   to the rdkit.Chem.AllChem module to make generating
   template-aligned depictions easier.
 - Generating FCFP-like fingerprints is now more straightforward via
   the useFeatures optional argument to GetMorganFingerprint()
 - Extensive changes were made to the layere fingerprinting code to
   allow better coverage of queries.
 - Functionality for stripping common salts from molecules has been
   added in rdkit.Chem.SaltRemover. The salts themselves are defined
   in $RDBASE/Data/Salts.txt
 - Functionality for recognizing common functional groups has been
   added in rdkit.Chem.FunctionalGroups. The functional groups
   themselves are defined in
   $RDBASE/Data/Functional_Group_Hierarchy.txt

New Database Cartridge Features:
 - The cartridge now supports SMARTS queries.
 - The functions is_valid_{smiles,smarts}() are now available
   (issue 3097359).
 - The operator @= is now supported for testing molecule equality.
   (issue 3120707)
 - The functions featmorgan_fp() and featmorganbv_fp() are now
   available for generating FCFP-like fingerprints.

Deprecated modules (to be removed in next release):
 - rdkit.Chem.AvailDescriptors : the same functionality is now available
   in a more useable manner from rdkit.Chem.Descriptors (see above).

Removed modules:

Other:
 - RDKit support has been added to the Knime data mining and reporting
   tool. More information is available from the knime.org community
   site: http://tech.knime.org/community/rdkit
   Thanks to Thorsten, Bernd, Michael, and the rest of the crew at
   knime.com for making this possible.
 - RPMs to allow easy installation of the RDKit on Fedora/CentOS/RHEL
   and similar systems are now available. Thanks to Gianluca Sforna
   for doing this work.

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