vmd.measure.angle

vmd.measure.angle()

Measure angles between given atoms over a trajectory. Can specify multiple molids to measure angles between atoms in different molecules.

Parameters:

• atom1 (int) – Index of first atom
• atom2 (int) – Index of second atom
• atom3 (int) – Index of third atom
• molid (int) – Molecule ID of first atom. Defaults to top molecule
• molid2 (int) – Molecule ID of second atom, if different from first molid
• molid3 (int) – Molecule ID of third atom, if different from first molid
• frame (int) – Single frame to measure angle in. Defaults to current frame
• first (int) – First frame in range to measure in, for multiple frames
• last (int) – Last frame in range to measure in, for multiple frames

Returns:

(list of float) – Angle as measured in frame(s)