Angles

class sknano.core.atoms.Angles(*args, degrees=False, **kwargs)

Bases: sknano.core.atoms.mixins.AngularTopologyCollection

TopologyCollection sub-class for collection of atom Angles.

Parameters:

• topolist ({None, sequence, Angles}, optional) – if not None, then a list of Angle objects
• parent (Parent Molecule, if any.) –
• degrees (bool, optional) –

Attributes

Nangles	Number of Angles in Angles.
Ntypes	Number of unique Topology.types.
angles	ndarray of angles.
atom_ids	list of atom_ids.
bond_pairs	list of Angle.bond_pairs
degrees	bool setting for returning angles in degrees.
fmtstr	Format string.
ids	list of ids.
mean	An alias for TopologyCollection.mean_measure.
mean_angle	Mean angle.
mean_measure	Mean measure.
measures	ndarray of measures.
parent	Parent Molecule, if any.
statistics	Angle stats.
strains	ndarray of strains.
types	list of types.
unique	Return new TopologyCollection object containing the set of unique Topologys.

Methods

append(item)
clear()
compute_strains(reference)	Return ndarray of topology measure strains.
copy()
count(item)
extend(other)
index(item, *args)
insert(i, item)
pop([i])
remove(item)
reverse()
sort([key, reverse])
todict()	Return dict of constructor parameters.