LogicalNotConstraint#

class m4opt.constraints.LogicalNotConstraint(operand)[source] [edit on github]#

Bases: Constraint

Perform a logical “not” on a constraint.

See also

LogicalAndConstraint, LogicalOrConstraint

Examples

>>> from astropy.coordinates import EarthLocation, SkyCoord
>>> from astropy.time import Time
>>> from astropy import units as u
>>> from m4opt.constraints import (AtNightConstraint, LogicalNotConstraint)
>>> constraint = ~AtNightConstraint.twilight_astronomical()
>>> time = Time("2017-08-17T00:41:04Z")
>>> target = SkyCoord.from_name("NGC 4993")
>>> location = EarthLocation.of_site("Rubin Observatory")
>>> constraint(location, target, time)
True

Methods Summary

__call__(*args)

Evaluate the constraint at a given observer location, target position, and time.

Methods Documentation

Parameters:

operand (Constraint)

__call__(*args)[source] [edit on github]#

Evaluate the constraint at a given observer location, target position, and time.