Exemplo n.º 1
0
def mrtm_k2p(tac, dt, inputf1, k2p, 
             linear_phase_start, linear_phase_end, fig, fig_name):
    if linear_phase_start is None:
        linear_phase_start = 0
    if linear_phase_end is None:
        linear_phase_end = np.amax(dt)
    mft = kt.dt2mft(dt)
    mft = np.append(0, mft)
    dt_new = np.array([mft[:-1], mft[1:]])
    tdur = kt.dt2tdur(dt_new)
    input_dt = kt.int2dt(inputf1,dt)
    tac = np.append(0, tac)
    input_dt = np.append(0, input_dt)
    tac_cum = np.cumsum((tac[:-1] + tac[1:]) / 2 * tdur)
    input_cum = np.cumsum((input_dt[:-1] + input_dt[1:]) / 2 * tdur)
    tac = tac[1:]
    input_dt = input_dt[1:]
    yy = tac
    xx = np.column_stack((input_cum + 1 / k2p * input_dt, tac_cum))
    tt = np.logical_and(mft > linear_phase_start, mft < linear_phase_end)
    tt = tt[1:]
    mft = mft[1:]
    reg = LinearRegression(fit_intercept=False).fit(xx[tt, ], yy[tt])
    bp = - reg.coef_[0]/reg.coef_[1] - 1
    yyf = reg.predict(xx)
    if fig:
        plt.cla()
        plt.plot(mft, yy, '.')
        plt.plot(mft, yyf, 'r')
        if fig_name is not None:
            plt.savefig(fig_name)
        plt.show()
    kps = {'bp': bp}
    return kps
Exemplo n.º 2
0
def mrtm(tac, dt, inputf1, linear_phase_start, linear_phase_end, fig):
    if linear_phase_start is None:
        linear_phase_start = 0
    if linear_phase_end is None:
        linear_phase_end = np.amax(dt)
    mft = kt.dt2mft(dt)
    mft = np.append(0, mft)
    dt_new = np.array([mft[:-1], mft[1:]])
    tdur = kt.dt2tdur(dt_new)
    input_dt = kt.int2dt(inputf1, dt)
    tac = np.append(0, tac)
    input_dt = np.append(0, input_dt)
    tac_cum = np.cumsum((tac[:-1] + tac[1:]) / 2 * tdur)
    input_cum = np.cumsum((input_dt[:-1] + input_dt[1:]) / 2 * tdur)
    tac = tac[1:]
    input_dt = input_dt[1:]
    yy = tac
    xx = np.column_stack((input_cum, tac_cum, input_dt))
    tt = np.logical_and(mft > linear_phase_start, mft < linear_phase_end)
    tt = tt[1:]
    mft = mft[1:]
    reg = LinearRegression(fit_intercept=False).fit(xx[tt, ], yy[tt])
    bp = -reg.coef_[0] / reg.coef_[1] - 1
    k2p = reg.coef_[0] / reg.coef_[2]
    # for 1 TC
    r1 = reg.coef_[2]
    k2 = -reg.coef_[1]
    yyf = reg.predict(xx)
    if fig:
        plt.plot(mft, yy, '.')
        plt.plot(mft, yyf, 'r')
        plt.show()
    kps = {'bp': bp, 'k2p': k2p, 'r1': r1, 'k2': k2}
    return kps
Exemplo n.º 3
0
def logan_ref_k2p(tac, dt, inputf1, k2p, linear_phase_start, linear_phase_end,
                  fig):
    if linear_phase_start is None:
        linear_phase_start = 0
    if linear_phase_end is None:
        linear_phase_end = np.amax(dt)
    mft = kt.dt2mft(dt)
    mft = np.append(0, mft)
    dt_new = np.array([mft[:-1], mft[1:]])
    tdur = kt.dt2tdur(dt_new)
    input_dt = kt.int2dt(inputf1, dt)
    tac = np.append(0, tac)
    input_dt = np.append(0, input_dt)
    tac_cum = np.cumsum((tac[:-1] + tac[1:]) / 2 * tdur)
    input_cum = np.cumsum((input_dt[:-1] + input_dt[1:]) / 2 * tdur)
    tac = tac[1:]
    input_dt = input_dt[1:]
    yy = np.zeros(tac.shape)
    xx = np.zeros(tac.shape)
    mask = tac.nonzero()
    yy[mask] = tac_cum[mask] / tac[mask]
    xx[mask] = (input_cum[mask] + input_dt[mask] / k2p) / tac[mask]
    tt = np.logical_and(mft > linear_phase_start, mft < linear_phase_end)
    tt = tt[1:]
    dvr, inter, _, _, _ = linregress(xx[tt], yy[tt])
    bp = dvr - 1
    yyf = dvr * xx + inter
    if fig:
        plt.plot(xx, yy, '.')
        plt.plot(xx[tt], yyf[tt], 'r')
        plt.show()
    kps = {'bp': bp}
    return kps
Exemplo n.º 4
0
def srtm_fun(inputf1_dt, r1, k2, bp):
    inputf1, dt = inputf1_dt
    t1 = np.arange(np.amax(dt))
    theta = kp.srtm_kp2theta(r1, k2, bp)
    tac1 = theta[0]*inputf1
    tac1 += theta[1]*np.convolve(inputf1, np.exp(-theta[2]*t1))[0:tac1.size]
    tac = kt.int2dt(tac1, dt)
    return tac
Exemplo n.º 5
0
def mrtm(tac, dt, inputf1, linear_phase_start, linear_phase_end, fig):
    if linear_phase_start is None:
        linear_phase_start = 0
    if linear_phase_end is None:
        linear_phase_end = np.amax(dt)
    # fill the coffee break gap
    if kt.dt_has_gaps(dt):
        tac, dt = kt.tac_dt_fill_coffee_break(tac, dt)
    mft = kt.dt2mft(dt)
    mft = np.append(0, mft)
    dt_new = np.array([mft[:-1], mft[1:]])
    tdur = kt.dt2tdur(dt_new)
    input_dt = kt.int2dt(inputf1, dt)
    tac = np.append(0, tac)
    input_dt = np.append(0, input_dt)

    # set negative values to zero
    tac[tac < 0] = 0.0
    input_dt[input_dt < 0] = 0.0

    tac_cum = np.cumsum((tac[:-1] + tac[1:]) / 2 * tdur)
    input_cum = np.cumsum((input_dt[:-1] + input_dt[1:]) / 2 * tdur)
    tac = tac[1:]
    input_dt = input_dt[1:]
    yy = tac
    xx = np.column_stack((input_cum, tac_cum, input_dt))

    # find tt for the linear phase
    tt = np.logical_and(mft >= linear_phase_start, mft <= linear_phase_end)
    tt = tt[1:]
    # select tt for tac > 0
    tt = np.logical_and(tt, tac > 0)
    # select tt for xx < inf, yy < inf
    infinf = 1e10
    tt = np.logical_and(tt, np.all(xx < infinf, axis=-1))
    tt = np.logical_and(tt, yy < infinf)

    mft = mft[1:]

    reg = LinearRegression(fit_intercept=False).fit(xx[tt, ], yy[tt])
    bp = -reg.coef_[0] / reg.coef_[1] - 1
    k2p = reg.coef_[0] / reg.coef_[2]
    # for 1 TC
    r1 = reg.coef_[2]
    k2 = -reg.coef_[1]
    yyf = reg.predict(xx)
    if fig:
        plt.plot(mft, yy, '.')
        plt.plot(mft, yyf, 'r')
        plt.show()
    kps = {'bp': bp, 'k2p': k2p, 'r1': r1, 'k2': k2}
    return kps
Exemplo n.º 6
0
def logan_ref_k2p(tac, dt, inputf1, k2p, linear_phase_start, linear_phase_end,
                  fig):
    if linear_phase_start is None:
        linear_phase_start = 0
    if linear_phase_end is None:
        linear_phase_end = np.amax(dt)
    # fill the coffee break gap
    if kt.dt_has_gaps(dt):
        tac, dt = kt.tac_dt_fill_coffee_break(tac, dt)
    mft = kt.dt2mft(dt)
    mft = np.append(0, mft)
    dt_new = np.array([mft[:-1], mft[1:]])
    tdur = kt.dt2tdur(dt_new)
    input_dt = kt.int2dt(inputf1, dt)
    tac = np.append(0, tac)
    input_dt = np.append(0, input_dt)

    # set negative values to zero
    tac[tac < 0] = 0.0
    input_dt[input_dt < 0] = 0.0

    tac_cum = np.cumsum((tac[:-1] + tac[1:]) / 2 * tdur)
    input_cum = np.cumsum((input_dt[:-1] + input_dt[1:]) / 2 * tdur)
    tac = tac[1:]
    input_dt = input_dt[1:]

    yy = tac_cum / (tac + 0.0000000000000001)
    xx = (input_cum + input_dt / k2p) / (tac + 0.0000000000000001)

    # find tt for the linear phase
    tt = np.logical_and(mft >= linear_phase_start, mft <= linear_phase_end)
    tt = tt[1:]
    # select tt for tac > 0
    tt = np.logical_and(tt, tac > 0)
    # select tt for xx < inf, yy < inf
    infinf = 1e10
    tt = np.logical_and(tt, xx < infinf)
    tt = np.logical_and(tt, yy < infinf)

    # do linear regression with selected tt
    xx = xx[tt]
    yy = yy[tt]

    dvr, inter, _, _, _ = linregress(xx, yy)
    bp = dvr - 1
    yyf = dvr * xx + inter
    if fig:
        plt.plot(xx, yy, '.')
        plt.plot(xx[tt], yyf[tt], 'r')
        plt.show()
    kps = {'bp': bp}
    return kps
Exemplo n.º 7
0
def logan_ref(tac, dt, inputf1, linear_phase_start, linear_phase_end, fig):
    if linear_phase_start is None:
        linear_phase_start = 0
    if linear_phase_end is None:
        linear_phase_end = np.amax(dt)
    # fill the coffee break gap
    if kt.dt_has_gaps(dt):
        tac, dt = kt.tac_dt_fill_coffee_break(tac, dt)
    mft = kt.dt2mft(dt)
    mft = np.append(0, mft)
    dt_new = np.array([mft[:-1], mft[1:]])
    tdur = kt.dt2tdur(dt_new)
    input_dt = kt.int2dt(inputf1, dt)

    tac = np.append(0, tac)
    input_dt = np.append(0, input_dt)

    # set negative values to zero
    tac[tac < 0] = 0.0
    input_dt[input_dt < 0] = 0.0

    # calculate integration
    tac_cum = np.cumsum((tac[:-1] + tac[1:]) / 2 * tdur)
    input_cum = np.cumsum((input_dt[:-1] + input_dt[1:]) / 2 * tdur)
    # tac_cum and input_cum are calculated in such a way to match tac

    # # # debug
    #     file_path = '/Users/Himiko/data/amsterdam_data_pib/transfer_162391_files_89f2cba1/'
    #     savetxt(file_path + 'tac_cum.csv', tac_cum)
    #     savetxt(file_path + 'input_cum.csv', input_cum)
    #
    #     tac1 = kt.interpt1(mft, tac, dt)
    #     input1 = kt.interpt1(mft, input_dt, dt)
    #     tac_cum1 = np.cumsum(tac1)
    #     input_cum1 = np.cumsum(input1)
    #     tac_cum1_mft = tac_cum1[mft.astype(int)]
    #     input_cum1_mft = input_cum1[mft.astype(int)]
    #     savetxt(file_path + 'tac_cum1_mft.csv', tac_cum1_mft)
    #     savetxt(file_path + 'input_cum1_mft.csv', input_cum1_mft)
    # # # debug

    tac = tac[1:]
    input_dt = input_dt[1:]

    # yy = np.zeros(tac.shape)
    # xx = np.zeros(tac.shape)
    # mask = tac.nonzero()
    # yy[mask] = tac_cum[mask] / tac[mask]
    # xx[mask] = input_cum[mask] / tac[mask]

    yy = tac_cum / (tac + 0.0000000000000001)  # ADDED BY MY 20210616
    xx = input_cum / (tac + 0.0000000000000001)  # ADDED BY MY 20210616

    # find tt for the linear phase
    tt = np.logical_and(mft >= linear_phase_start, mft <= linear_phase_end)
    tt = tt[1:]
    # select tt for tac > 0
    tt = np.logical_and(tt, tac > 0)
    # select tt for xx < inf, yy < inf
    infinf = 1e10
    tt = np.logical_and(tt, xx < infinf)
    tt = np.logical_and(tt, yy < infinf)

    # do linear regression with selected tt
    xx = xx[tt]
    yy = yy[tt]

    dvr, inter, _, _, _ = linregress(xx, yy)
    bp = dvr - 1
    yyf = dvr * xx + inter
    if fig:
        plt.plot(xx, yy, '.')
        plt.plot(xx, yyf, 'r')
        plt.show()
    kps = {'bp': bp}
    return kps