# OESetSurfaceArcFxn¶

bool OESetSurfaceArcFxn(OEChem::OEMolBase& mol,
OEChem::OEAtomBase *atom,
const OESurfaceArcFxnBase &func)


Attaches the arc drawing functor to the given atom.

mol
The molecule the atom belongs to.
atom
The atom to which the functor will be attached.
func
The functor that will be used to draw the arc segment(s) of the molecule surface that correspond(s) to the given atom when the OEDraw2DSurface function in invoked.