OEOmegaSampling

This namespace contains constants that are used with OEOmegaOptions to control the defaults to be set for Omega options. Different sets of default options prepare Omega to generate structures that are optimal for different uses.

Classic

Options to generate a set of conformers representing a gas phase ensemble.

Dense

Options to generate a dense set of conformers optimal for FreeFormConf usage.

Caution

GPU-Omega is not compatible with the dense mode default force field. To enable GPU-Omega and utilize a GPU, set OETorDriveOptions.SetForceField to OEMMFFSheffieldFFType_MMFF94Smod_NOESTAT.

Pose

Options to generate a set of conformers suitable for molecular alignment and pose prediction by docking.

ROCS

Options to generate a set of conformers suitable for ROCS usage.

FastROCS

Options to generate a sparse set of conformers suitable for FastROCS usage.

The following options are overridden by various modes from the default OEOmegaSampling_Classic mode.

Option

Classic

Dense

Pose

ROCS

FastROCS

RangeIncrement

4

4

MaxConfs

200

20000

200, 800

50

10

UseThompson

True

False

True

True

True

StrictStereo

True

False

MaxSearchTime

120.0

3600.0

EnergyWindow

[10.0, 15.0, 15.0, 20.0]

15.0

[10.0, 15.0, 25.0, 30.0]

10

10

RMSThreshold

0.5

0.3

EnumNitrogen

OENitrogenEnumeration_Unspecified

OENitrogenEnumeration_All

SampleHydrogens

False

True

SearchForceField

mmff94smod_NoEstat

mmff94s_Sheff

FragBuilderOptions

Fast

Dense