def convolveSpectrumSame(Omega,CrossSection,Resolution=0.1,AF_wing=10.,
                         SlitFunction=SLIT_RECTANGULAR):
    """
    Convolves cross section with a slit function with given parameters.
    """
    step = Omega[1]-Omega[0]
    x = arange(-AF_wing,AF_wing+step,step)
    slit = SlitFunction(x,Resolution)
    print('step=')
    print(step)
    print('x=')
    print(x)
    print('slitfunc=')
    print(SlitFunction)
    CrossSectionLowRes = convolve(CrossSection,slit,mode='same')*step
    return Omega,CrossSectionLowRes,None,None,slit
Convolves cross section with a slit function with given parameters.