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IMP Reference Guide
2.14.0
The Integrative Modeling Platform
IMP Manual
Reference Guide
Tutorial Index
Modules
Classes
Examples
doc
examples
core
excluded_volume.py
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## \example core/excluded_volume.py
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# Setup an excluded volume restraint between a bunch of particles with radius.
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#
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5
import
IMP.example
6
import
sys
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IMP.setup_from_argv
(sys.argv,
"excluded volume"
)
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(m, c) = IMP.example.create_model_and_particles()
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# this container lists all pairs that are close at the time of evaluation
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nbl =
IMP.container.ClosePairContainer
(c, 0, 2)
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h =
IMP.core.HarmonicLowerBound
(0, 1)
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sd =
IMP.core.SphereDistancePairScore
(h)
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# use the lower bound on the inter-sphere distance to push the spheres apart
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nbr =
IMP.container.PairsRestraint
(sd, nbl)
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# alternatively, one could just do
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r =
IMP.core.ExcludedVolumeRestraint
(c)
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# get the current score
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sf =
IMP.core.RestraintsScoringFunction
([nbr, r])
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print(sf.evaluate(
False
))
IMP::core::HarmonicLowerBound
Lower bound harmonic function (non-zero when feature < mean)
Definition:
core/HarmonicLowerBound.h:20
IMP::setup_from_argv
Strings setup_from_argv(const Strings &argv, std::string description, std::string positional_description, int num_positional)
IMP::core::RestraintsScoringFunction
Definition:
RestraintsScoringFunction.h:22
IMP::core::SphereDistancePairScore
A score on the distance between the surfaces of two spheres.
Definition:
SphereDistancePairScore.h:38
IMP::container::ClosePairContainer
Return all close unordered pairs of particles taken from the SingletonContainer.
Definition:
ClosePairContainer.h:63
IMP::example
Example module.
IMP::core::ExcludedVolumeRestraint
Prevent a set of particles and rigid bodies from inter-penetrating.
Definition:
ExcludedVolumeRestraint.h:40
IMP::container::PairsRestraint
Applies a PairScore to each Pair in a list.
Definition:
PairsRestraint.h:34