def METHOD_NAME(comp, fov):
    """
    Computes the rectangle coordinates which correspond to the given component
      with a given field-of-view (FoV).
    comp (HwComponent): the component, which should have a MD_POS. If it has no
      MD_POS, it's assumed that it's centered at 0,0.
    fov (0<float, 0<float): width and height of the FoV in m
    returns (tuple of 4 floats): position in physical coordinates m (l, t, r, b)
    """
    md = comp.getMetadata()
    center = md.get(model.MD_POS, (0, 0))
    return (center[0] - fov[0] / 2,  # left
            center[1] - fov[1] / 2,  # top
            center[0] + fov[0] / 2,  # right
            center[1] + fov[1] / 2)  # bottom