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

# this should be depreciated!
dataset/ETHPy150Open RobotLocomotion/director/src/python/director/segmentation.py/getGroundHeightFromFeet/original