TopologyCollection

class sknano.core.atoms.TopologyCollection(topolist=None, parent=None)

Bases: sknano.core.strings.TabulateMixin, sknano.core.collections.UserList

Base Atoms topology class.

Parameters:

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

Attributes

Ntypes	Number of unique Topology.types.
atom_ids	list of atom_ids.
fmtstr	Format string.
ids	list of ids.
mean	An alias for TopologyCollection.mean_measure.
mean_measure	Mean measure.
measures	ndarray of measures.
parent	Parent Molecule, if any.
statistics	TopologyStats of TopologyCollection.measures statistics.
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.