def getGroundHeightFromFeet():
    rfoot = getLinkFrame( drcargs.getDirectorConfig()['rightFootLink'] )
    return 0.0745342 -  np.array(rfoot.GetPosition())[2]

# this should be depreciated!
dataset/ETHPy150Open RobotLocomotion/director/src/python/director/segmentation.py/getGroundHeightFromFeet/swapped operands of `-`