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|ID||Project||Category||View Status||Date Submitted||Last Update|
|0000278||Rosetta||[All Projects] Input Handling||public||2013-05-31 10:03||2014-07-19 10:55|
|Fixed in Version|
|Summary||0000278: AtomPairConstraint does not check existence of atoms (?)|
|Description||This is a bug I've run into in old versions of Rosetta (3.4 and earlier). A casual reading of trunk suggests this has been fixed but we need to check it.|
AtomPairConstraint does not appear to check if atoms actually exist before attempting to apply constraints. If you pass fullatom constraints into centroid mode, where the sidechain atoms do not exist, the constraint functions look at garbage atom positions and return garbage constraint scores. Occasional crashes occur from segfaults, but usually it looks at allocated but inappropriate memory.
Here's a 3.4 example. https://www.rosettacommons.org/node/3278 [^]
I have not yet attempted to reproduce this in trunk.
|Tags||No tags attached.|
|Application(s) Affected||docking in particular, anything with fullatom/centroid mode and constraints|
|Command Line Used||-cst_file file_with_atompairconstraints|
|Fixed in SVN Version||???|
OK, do you mean that this _only_ happens when the reason the atoms don't exist is because of centroid mode? Or are you concerned that this is a general failure mode when atoms don't exist?
It's definitely not true in the general case--just weeks ago I was dinged for constraining nonexistent atoms--but maybe it's somehow a specific-to-centroid-mode problem.
rmoretti (Attentive Developer)
It's definitely been fixed by 2013wk52. This has been tested with centroid poses & sidechain constraints.
AtomPairConstraint used core::pose::named_atom_id_to_atom_id(), which checks for existence and raises EXCN_AtomNotFound if the atom is not found.
|2013-05-31 10:03||smlewis||New Issue|
|2013-08-15 10:02||amw579||Note Added: 0000313|
|2014-07-19 10:54||rmoretti||Fixed in SVN Version||=> ???|
|2014-07-19 10:54||rmoretti||Note Added: 0000350|
|2014-07-19 10:54||rmoretti||Status||new => resolved|
|2014-07-19 10:54||rmoretti||Resolution||open => fixed|
|2014-07-19 10:54||rmoretti||Assigned To||=> rmoretti|
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