'Set the array (Nv, 3) of vertex coordinates.
If indexed==\'faces\', then the data must have shape (Nf, 3, 3) and is
assumed to be already indexed as a list of faces.
This will cause any pre-existing normal vectors to be cleared
unless resetNormals=False.'

def setVertexes(self, verts=None, indexed=None, resetNormals=True):

    if (indexed is None):
        if (verts is not None):
            self._vertexes = verts
        self._vertexesIndexedByFaces = None
    elif (indexed == 'faces'):
        self._vertexes = None
        if (verts is not None):
            self._vertexesIndexedByFaces = verts
    else:
        raise Exception("Invalid    indexing    mode.    Accepts:    None,    'faces'")
    if resetNormals:
        self.resetNormals()
