Пример #1
0
def main():
    """main func"""
    args = read_parameters.read_from_file()
    # read_files('file.txt')
    # read_files(args)
    plot_points(args)
    return None
Пример #2
0
    params = Parameters()
    params.add('chi0', value=0.5)
    params.add('kappa', value=2.)
    params.add('n_avrami', value=1.)
    out = minimize(residual, params, args=(
        t,
        p,
    ))  # lmfit minimizer
    report_fit(params)
    plt.plot(t, p, 'go')
    plt.plot(t, residual(out.params, t), 'r-')
    plt.savefig('./figures/' + str(i) + '.pdf')
    return out.params['chi0'].value


args = read_parameters.read_from_file()
# read_files('file.txt')
# read_files(args)
# read file.param for the plot parameters and put them to parameters
parameters = read_plot_parameters(args)

# read file.in, maybe parse the chain info, reutrn the chain_info_parse
chain_info_parse = parameters['parse_chain_info']
if chain_info_parse is True:
    all_files_info_list = parse_file_info(args.input)
elif chain_info_parse is False:
    all_files_info_list = simple_parse_file_info(args.input)
else:
    raise ValueError('specify whether you need to parse chain info?')

# initialize figure, do the plot parameters, and specify lines, ..
Пример #3
0
def main():
    """
    main function
    Avrami Fitting:\\
    $\chi = \chi_0 (1 - e^{-\kappa t^n})$, \\
    $\alpha = \chi / \chi_0$,\\
    New Coordinates \\
    $x = ln(t)$, where $t: \alpha > 0.5$.\\
    $y = ln (-ln(1-\alpha))$\\
    So:\\
    $ y = ln(\kappa) + n x$
    """

    args = read_parameters.read_from_file()
    # read_files('file.txt')
    # read_files(args)
    # read file.param for the plot parameters and put them to parameters
    parameters = PlotFromFile.read_plot_parameters(args)

    # read file.in, maybe parse the chain info, reutrn the chain_info_parse
    chain_info_parse = parameters['parse_chain_info']
    if chain_info_parse is True:
        all_files_info_list = PlotFromFile.parse_file_info(args.input)
    elif chain_info_parse is False:
        all_files_info_list = PlotFromFile.simple_parse_file_info(args.input)
    else:
        raise ValueError('specify whether you need to parse chain info?')

    # initialize figure, do the plot parameters, and specify lines, ..
    chi0_array, kappa_array, n_avrami_array, mw_array = [], [], [], []
    kappa_error_array, n_avrami_error_array = [], []

    fig_plot = plt.figure(figsize=(8, 7))
    ax_plot = fig_plot.add_subplot(111)
    points, lines, colors, ax_plot = plot_settings(parameters, ax_plot)
    linecycler = itertools.cycle(lines)
    pointscycler = itertools.cycle(points)
    colorcycler = itertools.cycle(colors)

    # loop through files listed and do the plotting
    for i, file_i in enumerate(all_files_info_list):
        clr, llr, plr = next(colorcycler), next(linecycler), next(pointscycler)
        # print "doing", file_i
        filename_i = all_files_info_list[i]['npzfile']
        fileNinfo_i = all_files_info_list[i]['chains_info']
        extrainfo_i = all_files_info_list[i]['extrastring']
        result_name = ''
        result_name = ''
        for Mn, Nch in fileNinfo_i:
            result_name += 'M_n = '
            result_name += str(Mn)
            result_name += 'N_{chains} = '
            result_name += str(Nch)
            result_name += ';'
        # label_i = '${result_name}\ PDI={PDI};{extra}$'.format(
            # result_name=result_name, PDI=pdiinfo_i, extra=extrainfo_i)
        label_i = '${result_name}{extra}$'.format(result_name=result_name,
                                                  extra=extrainfo_i)
        mw, _ = fileNinfo_i[0]
        # Extra_string = int(re.search('ICC(\s)(\d+)n(\d+)', j).group(1))
        npz = np.load(filename_i)
        # if chain_info_parse is True:
        # else:
        #     ax_plot.plot(t, p, llr,
        #              color=clr,
        #              linewidth=2.3,
        #              alpha=0.95,
        #              label=label_i)
            # ax_plot.plot(t, p, 'go')
        # ax_plot.savefig('./figures/'+str(i)+'.pdf')
        # t = npz['arr_0']
        # p = npz['arr_1']
        # npz = np.load('testquench.npz')
        # npz = np.load('test.npz')
        t, p = npz['arr_0'], npz['arr_1']
        x, y = renormalize_arrays(t, p)
        chi0 = p.max()
        out = fit_all(x, y)
        kappa_error, n_avrami_error = get_errors(out)
        kappa_error_array.append(kappa_error)
        n_avrami_error_array.append(n_avrami_error)
        lnkappa, n_avrami = out.params['lnkappa'].value,\
                            out.params['n_avrami'].value
        tot_fit_err = np.sqrt((kappa_error/np.exp(lnkappa))**2 + \
                      (n_avrami_error/n_avrami)**2)
        ax_plot.plot(x, y, plr,
                     color=clr,
                     linewidth=1.6,
                     alpha=0.8,
                     label=label_i)
        ax_plot.fill_between(x,
                 (lnkappa + n_avrami*x)*(1.-tot_fit_err),
                 (lnkappa + n_avrami*x)*(1.+tot_fit_err),
                 alpha=0.08, color=clr)
        ax_plot.plot(x, lnkappa + n_avrami*x,
                     color=clr,
                     linewidth=2.8,
                     alpha=1.)
        mw_array.append(mw)
        kappa_array.append(np.exp(lnkappa))
        n_avrami_array.append(n_avrami)
        chi0_array.append(chi0)

    ax_plot.legend(loc='best')
    fig_plot.savefig('./figures/{0[plotname]}{0[name]}.pdf'.format(parameters))


    mw_array, chi0_array = zip(*sorted(zip(mw_array, chi0_array)))
    mw_array, kappa_array, kappa_error_array = zip(*sorted(zip(mw_array, kappa_array, kappa_error_array)))
    mw_array, n_avrami_array, n_avrami_error_array= zip(*sorted(zip(mw_array, n_avrami_array, n_avrami_error_array)))
    chi0_array, kappa_array, n_avrami_array, mw_array =\
                                     np.asarray(chi0_array),\
                                     np.asarray(kappa_array),\
                                     np.asarray(n_avrami_array),\
                                     np.asarray(mw_array)
    print "chi0", chi0_array
    print "kappa", kappa_array
    print "n_avrami", n_avrami_array
    print "mw", mw_array
    print "n_avrami_error_array", n_avrami_error_array

    # np.savez('./figures/fit{extra}chi0'.format(extra=extrainfo_i), mw_array, chi0_array)
    # np.savez('./figures/fit{extra}kappa'.format(extra=extrainfo_i), mw_array, kappa_array,kappa_error_array)
    # np.savez('./figures/fit{extra}n_avrami'.format(extra=extrainfo_i), mw_array, n_avrami_array, kappa_error_array)

    np.savez('./figures/fit{0[name]}chi0'.format(parameters), mw_array, chi0_array)
    np.savez('./figures/fit{0[name]}kappa'.format(parameters), mw_array, kappa_array,kappa_error_array)
    np.savez('./figures/fit{0[name]}n_avrami'.format(parameters), mw_array, n_avrami_array, n_avrami_error_array)
Пример #4
0
def plot_mpl_fig():
    """
    plots stuff with points
    #algorithm for induction time.
    filenames will represent the mol weight, and will be the X axis
    the flag = False will represent that the crystallization has started
    the tcryst = will be the time of crystallization, it will be appended
    to tcryst_array list
    """
    args = read_parameters.read_from_file()

    def plot_settings(parameters):
        # read_files('file.txt')
        # read_files(args)
        plt.ylim(parameters['ymin'], parameters['ymax'])
        if parameters['xlog']:
            plt.xscale('log')
            parameters['xlabel'] = ''.join(('log', 'parameters[\'xlabel\']'))
            print "xlogscale"
        else:
            print "regular xscale"
        if parameters['ylog']:
            plt.yscale('log')
            parameters['ylabel'] = ''.join(('log', 'parameters[\'ylabel\']'))
            print "ylogscale"
        else:
            print "regular yscale"
        plt.ylabel('${0[ylabel]}$'.format(parameters))
        plt.xlabel('${0[xlabel]}$'.format(parameters))

        points = [
            u'D-', u'o-', u'^-', u'>-', u's-', u'8-', u'<-', u'>-', u'*-',
            u'H', u'h', u'p', u'v', u'D', u'd', "-", "--", "-.", ":"
        ]
        colors = ['k', 'y', 'm', 'c', 'b', 'g', 'r', '#aaaaaa']
        lines = ["-", "--", "-.", ":"]
        return points, lines, colors

    # read file.param for the plot parameters and put them to parameters
    parameters = plot_read_file.read_plot_parameters(args)

    # read file.in, maybe parse the chain info, reutrn the chain_info_parse
    chain_info_parse = parameters['parse_chain_info']
    if chain_info_parse is True:
        all_files_info_list = plot_read_file.parse_file_info(args.input)
    elif chain_info_parse is False:
        all_files_info_list = plot_read_file.simple_parse_file_info(args.input)
    else:
        raise ValueError('specify whether you need to parse chain info?')

    # initialize figure, do the plot parameters, and specify lines, ..
    plt.figure(figsize=(8, 7))
    points, lines, colors = plot_settings(parameters)
    linecycler = itertools.cycle(lines)
    pointscycler = itertools.cycle(points)
    colorcycler = itertools.cycle(colors)

    # loop through files listed and do the plotting
    for i, file_i in enumerate(all_files_info_list):
        # print "doing", file_i
        filename_i = all_files_info_list[i]['npzfile']

        npz = np.load(filename_i)
        t = npz['arr_0']
        x = npz['arr_1']
        is_with_error_bars = True
        try:
            error_array = npz['arr_2']
        except Exception:
            print "doing Exception"
            is_with_error_bars = False
            pass
        # t =
        print x
        if parameters['scale_dump'] is True:
            # then scale the result data
            # so the final data represents to the 10^6 lj untis values
            t *= parameters['timestep'] * parameters['dumpskip'] / 1e6
        else:
            print "Using raw data without time scaling"
        # print p
        print t

        clr, llr, plr = next(colorcycler), next(linecycler), next(pointscycler)

        result_name = all_files_info_list[i]['npzfile']
        result_name = get_path_names.get_filename(result_name)
        label_i = '${result_name}$'.format(result_name=result_name)

        if is_with_error_bars:
            # plt.errorbar(t, x,
            #      yerr=error_array,
            #      color=clr,
            #      linewidth=1.8,
            #      label=label_i)
            plt.plot(t, x, color=clr, linewidth=1.8, label=label_i)
            plt.errorbar(t,
                         error_array,
                         color=clr,
                         linewidth=1.8,
                         label='error' + label_i)
        else:
            x = x - x[0]
            plt.plot(t,
                     x,
                     plr,
                     color=clr,
                     linewidth=1.8,
                     alpha=0.7,
                     label=label_i)
    print parameters
    return None