def ascan(self, motor, start, finish, npts, dtime):
        self._checkmotors(motor)
        self._scan.positioners  = [self.motors[motor]]
        self._scan.positioners[0].array = np.linspace(start, finish, npts)
        self._run(dtime)
ascan: absolute scan
dataset/ETHPy150Open xraypy/xraylarch/plugins/epics/spyk.py/Spyk.ascan