def plot_swe():
    seasons = ["(a) Annual", " (b) Winter (DJF)", "(c) Spring (MAM)", "(d) Summer (JJA)", "(e) Fall (SON)"]
    months =  [range(1, 13), [12, 1, 2], [3, 4, 5], [6, 7, 8], [9, 10, 11]  ]
    season_to_months = dict(zip(seasons, months))

    var_name = "sno"
    year_range_c = xrange(1970,2000)
    year_range_f = xrange(2041,2071)
    x, y = polar_stereographic.xs, polar_stereographic.ys
    i_array, j_array = _get_routing_indices()
    x_min, x_max, y_min, y_max = plot_utils.get_ranges(x[i_array, j_array], y[i_array, j_array])

    _generate_mask_of_domain_of_interest(i_array, j_array)
    if True: return

    plot_utils.apply_plot_params(width_pt= None, font_size=9, aspect_ratio=2.5)
    fig = plt.figure()
    assert isinstance(fig, Figure)

    basemap = polar_stereographic.basemap
    assert isinstance(basemap, Basemap)
    gs = gridspec.GridSpec(3,4, height_ratios=[1,1,1], width_ratios=[1,1,1,1])


    #color_map = my_cm.get_
    color_map = my_cm.get_red_blue_colormap(ncolors = 10, reversed=True)
    #color_map = mpl.cm.get_cmap(name="jet_r", lut=10)
    clevels = xrange(-8, 9, 2)
    all_plot_axes = []
    for i, season in enumerate(seasons):
        if not i:
            ax = fig.add_subplot(gs[0,1:3])
        else:
            row, col = (i - 1)  // 2 + 1, (i - 1) % 2
            ax = fig.add_subplot(gs[row, col * 2 : col * 2 + 2 ])
        all_plot_axes.append(ax)


        current = _get_data(v_name=var_name, months = season_to_months[season],
                    member_list=members.current_ids, year_range=year_range_c)
        future = _get_data(v_name=var_name, months = season_to_months[season],
                    member_list=members.future_ids, year_range=year_range_f)


        t, p = stats.ttest_ind(current, future, axis=0)
        #TODO: change it back to p <= 0.05 wheen doing real sign test
        significant = np.array(p <= 1)

        assert not np.all(~significant)
        assert not np.all(significant)

        current_m = np.mean(current, axis=0)
        future_m = np.mean(future, axis= 0)


        delta = (future_m - current_m)
        delta = np.array(delta)

        assert isinstance(ax, Axes)

        #delta = maskoceans(polar_stereographic.lons, polar_stereographic.lats, delta)
        save = delta[i_array, j_array]
        delta = np.ma.masked_all(delta.shape)
        delta[i_array, j_array] = save
        d_min = np.floor( np.min(save)  )
        d_max = np.ceil( np.max(save)  )


        bounds = plot_utils.get_boundaries_for_colobar(d_min, d_max, color_map.N, lambda x: np.round(x, decimals=10))
        print bounds

        bn = BoundaryNorm(bounds, color_map.N)

        d = np.max( np.abs([d_min, d_max]) )

        print season, np.min(delta), np.max(delta)

        #delta = np.ma.masked_where(delta < 0, delta )
        img = basemap.pcolormesh(x, y, delta, cmap = color_map, norm = bn, vmin = bounds[0], vmax = bounds[-1])
        divider = make_axes_locatable(ax)
        cax = divider.append_axes("right", "8%", pad="3%")
        assert isinstance(cax, Axes)

        int_ticker = LinearLocator(numticks = color_map.N + 1)

        cb = fig.colorbar(img, cax = cax, ticks = bounds, boundaries = bounds)





        where_significant = significant
        significant = np.ma.masked_all(significant.shape)

        significant[(~where_significant)] = 0
        save = significant[i_array, j_array]
        significant = np.ma.masked_all(significant.shape)
        significant[i_array, j_array] = save

        basemap.pcolormesh( x, y, significant , cmap = mpl.cm.get_cmap(name = "gray", lut = 3),
                           vmin = -1, vmax = 1, ax = ax)

        ax.set_title(season)

    for the_ax in all_plot_axes:
        the_ax.set_xlim(x_min, x_max)
        the_ax.set_ylim(y_min, y_max)
        basemap.drawcoastlines(ax = the_ax, linewidth = 0.1)
        plot_utils.draw_meridians_and_parallels(basemap, step_degrees=30.0, ax = the_ax)
        plot_basin_boundaries_from_shape(basemap, axes = the_ax, linewidth=0.4)


    gs.update(wspace=0.5)

    #gs.tight_layout(fig)
    fig.suptitle("Projected changes, SWE, mm, CRCM4")
    fig.savefig("proj_change_{0}_ccc.png".format(var_name))

    pass
def plot_swe_biases():

    seasons = ["(a) Annual", " (b) Winter (DJF)", "(c) Spring (MAM)", "(d) Summer (JJA)", "(e) Fall (SON)"]
    months =  [range(1, 13), [12, 1, 2], [3, 4, 5], [6, 7, 8], [9, 10, 11]  ]
    season_to_months = dict(zip(seasons, months))

    swe_obs_name = "swe"
    cru_data_store, crcm4_data_store = _get_comparison_data_swe(swe_var_name= swe_obs_name,
        season_to_months=season_to_months, start_date=datetime(1980,1,1), end_date=datetime(1996, 12, 31))

    x, y = polar_stereographic.xs, polar_stereographic.ys
    i_array, j_array = _get_routing_indices()
    x_min, x_max, y_min, y_max = plot_utils.get_ranges(x[i_array, j_array], y[i_array, j_array])



    plot_utils.apply_plot_params(width_pt= None, font_size=9, aspect_ratio=2.5)
    fig = plt.figure()
    assert isinstance(fig, Figure)

    basemap = polar_stereographic.basemap
    assert isinstance(basemap, Basemap)
    gs = gridspec.GridSpec(3,2)

    color_map = my_cm.get_red_blue_colormap(ncolors = 14, reversed=True)
    clevels = xrange(-8, 9, 2)
    all_plot_axes = []
    for i, season in enumerate(seasons):
        if not i:
            ax = fig.add_subplot(gs[0,:])
        else:
            row, col = (i - 1)  // 2 + 1, (i -1) % 2
            ax = fig.add_subplot(gs[row, col])
        all_plot_axes.append(ax)
        assert isinstance(ax, Axes)
        delta = crcm4_data_store[season] - cru_data_store[season]

        #delta = maskoceans(polar_stereographic.lons, polar_stereographic.lats, delta)
        save = delta[i_array, j_array]
        delta = np.ma.masked_all(delta.shape)
        delta[i_array, j_array] = save


        vmax = np.ceil( np.max(save) / 10.0) * 10
        vmin = np.floor( np.min(save) / 10.0) * 10

        bounds = plot_utils.get_boundaries_for_colobar(vmin, vmax, color_map.N, lambda x: np.round(x, decimals = 1))
        bn = BoundaryNorm(bounds, color_map.N)
        img = basemap.pcolormesh(x, y, delta, cmap = color_map, vmin = vmin, vmax = vmax, norm = bn)
        divider = make_axes_locatable(ax)
        cax = divider.append_axes("right", "8%", pad="3%")
        int_ticker = LinearLocator(numticks = color_map.N + 1)





        fig.colorbar(img, cax = cax, ticks = bounds, boundaries = bounds)
        ax.set_title(season)

    for the_ax in all_plot_axes:
        the_ax.set_xlim(x_min, x_max)
        the_ax.set_ylim(y_min, y_max)
        basemap.drawcoastlines(ax = the_ax, linewidth = 0.1)
        plot_utils.draw_meridians_and_parallels(basemap, step_degrees=30.0, ax = the_ax)
        plot_basin_boundaries_from_shape(basemap, axes = the_ax, linewidth=0.4)
#        put_selected_stations(the_ax, basemap, i_array, j_array)


    #gs.tight_layout(fig)
    fig.suptitle("SWE (mm), CRCM4 - Ross Brown dataset (1981-1997)")
    fig.savefig("seasonal_{0}_ccc.png".format(swe_obs_name))
def plot_precip(data_path = "/home/huziy/skynet1_rech3/crcm4_data"):
    seasons = ["(a) Annual", " (b) Winter (DJF)", "(c) Spring (MAM)", "(d) Summer (JJA)", "(e) Fall (SON)"]
    months =  [range(1, 13), [12, 1, 2], [3, 4, 5], [6, 7, 8], [9, 10, 11]  ]
    season_to_months = dict(zip(seasons, months))


    #remove annual
    seasons.pop(0)
    #put new numbering for the subplots
    new_numbering = ["a", "b", "c", "d"]


    var_name = "pcp"
    year_range_c = xrange(1970,2000)
    year_range_f = xrange(2041,2071)
    x, y = polar_stereographic.xs, polar_stereographic.ys
    i_array, j_array = _get_routing_indices()
    x_min, x_max, y_min, y_max = plot_utils.get_ranges(x[i_array, j_array], y[i_array, j_array])



    plot_utils.apply_plot_params(width_pt= None, font_size=9, aspect_ratio=2.5)
    fig = plt.figure()
    assert isinstance(fig, Figure)

    basemap = polar_stereographic.basemap
    assert isinstance(basemap, Basemap)
    gs = gridspec.GridSpec(3,2, height_ratios=[1,1,1], width_ratios=[1,1])



    #determine min an max for color scales
    min_val = np.inf
    max_val = -np.inf
    for season in seasons:
        current = _get_data(v_name=var_name, months = season_to_months[season],
                    member_list=members.current_ids, year_range=year_range_c)
        future = _get_data(v_name=var_name, months = season_to_months[season],
                    member_list=members.future_ids, year_range=year_range_f)

        current_m = np.mean(current, axis=0)
        future_m = np.mean(future, axis= 0)


        delta = future_m[i_array, j_array] - current_m[i_array, j_array]

        the_min = delta.min()
        the_max = delta.max()

        min_val = min(min_val, the_min)
        max_val = max(max_val, the_max)

    min_val = np.floor(min_val)
    max_val = np.ceil(max_val)




    color_map = my_cm.get_red_blue_colormap(ncolors = 10, reversed=False)
    #color_map = mpl.cm.get_cmap(name="jet_r", lut=10)
    clevels = xrange(-8, 9, 2)
    all_plot_axes = []
    for i, season in enumerate(seasons):
        row, col = i // 2, i % 2
        ax = fig.add_subplot(gs[row, col ])
        all_plot_axes.append(ax)


        current = _get_data(data_folder=data_path, v_name=var_name, months = season_to_months[season],
                    member_list=members.current_ids, year_range=year_range_c)
        future = _get_data(data_folder=data_path, v_name=var_name, months = season_to_months[season],
                    member_list=members.future_ids, year_range=year_range_f)


        #t, p = stats.ttest_ind(current, future, axis=0)

        #significant = np.array(p <= 0.05)
        significant = calculate_significance_using_bootstrap(current, future)
        assert not np.all(~significant)
        assert not np.all(significant)

        current_m = np.mean(current, axis=0)
        future_m = np.mean(future, axis= 0)

        seconds_per_day = 24 * 60 * 60
        delta = (future_m - current_m) * seconds_per_day
        delta = np.array(delta)

        assert isinstance(ax, Axes)

        #delta = maskoceans(polar_stereographic.lons, polar_stereographic.lats, delta)
        save = delta[i_array, j_array]
        delta = np.ma.masked_all(delta.shape)
        delta[i_array, j_array] = save
        d_min = np.floor( min_val * 10 ) / 10.0
        d_max = np.ceil( max_val *10 ) / 10.0

        if d_min  > 0: color_map = my_cm.get_blue_colormap(ncolors=10)

        img = basemap.pcolormesh(x, y, delta, cmap = color_map, vmin = d_min, vmax = d_max)
        divider = make_axes_locatable(ax)
        cax = divider.append_axes("right", "8%", pad="3%")
        assert isinstance(cax, Axes)

        int_ticker = LinearLocator(numticks = color_map.N + 1)

        cb = fig.colorbar(img, cax = cax, ticks = int_ticker)
        cax.set_title("mm/d")

        where_significant = significant
        significant = np.ma.masked_all(significant.shape)

        significant[(~where_significant)] = 0
        save = significant[i_array, j_array]
        significant = np.ma.masked_all(significant.shape)
        significant[i_array, j_array] = save

        basemap.pcolormesh( x, y, significant , cmap = mpl.cm.get_cmap(name = "gray", lut = 3),
                           vmin = -1, vmax = 1, ax = ax)

        ax.set_title( season.replace( re.findall( "([a-z])", season)[0], new_numbering[i]) )


    #plot djf swe change
    season = " (b) Winter (DJF)"
    ax = fig.add_subplot(gs[2, : ])
    all_plot_axes.append(ax)
    var_name = "sno"

    current = _get_data(data_folder=data_path, v_name=var_name, months = season_to_months[season],
                    member_list=members.current_ids, year_range=year_range_c)
    future = _get_data(data_folder=data_path, v_name=var_name, months = season_to_months[season],
                    member_list=members.future_ids, year_range=year_range_f)


    #t, p = stats.ttest_ind(current, future, axis=0)

    #significant = np.array(p <= 0.05)
    significant = calculate_significance_using_bootstrap(current, future)

    assert not np.all(~significant)
    assert not np.all(significant)

    current_m = np.mean(current, axis=0)
    future_m = np.mean(future, axis= 0)


    delta = future_m - current_m
    delta = np.array(delta)

    assert isinstance(ax, Axes)

    #delta = maskoceans(polar_stereographic.lons, polar_stereographic.lats, delta)
    save = delta[i_array, j_array]
    delta = np.ma.masked_all(delta.shape)
    delta[i_array, j_array] = save
    d_min = np.floor( np.min(save) * 10 ) / 10.0
    d_max = np.ceil( np.max(save) *10 ) / 10.0

    if d_min >= 0: color_map = my_cm.get_blue_colormap(ncolors=10)

    bounds = plot_utils.get_boundaries_for_colobar(d_min, d_max, color_map.N, lambda x: np.round(x, decimals=0))

    bn = BoundaryNorm(bounds, color_map.N)


    img = basemap.pcolormesh(x, y, delta, cmap = color_map, vmin = bounds[0], vmax = bounds[-1], norm = bn)
    divider = make_axes_locatable(ax)
    cax = divider.append_axes("right", "8%", pad="3%")
    assert isinstance(cax, Axes)

    int_ticker = LinearLocator(numticks = color_map.N + 1)

    cb = fig.colorbar(img, cax = cax, ticks = bounds)
    cax.set_title("mm")

    where_significant = significant
    significant = np.ma.masked_all(significant.shape)

    significant[(~where_significant)] = 0
    save = significant[i_array, j_array]
    significant = np.ma.masked_all(significant.shape)
    significant[i_array, j_array] = save

    basemap.pcolormesh( x, y, significant , cmap = mpl.cm.get_cmap(name = "gray", lut = 3),
                        vmin = -1, vmax = 1, ax = ax)

    ax.set_title( season.replace( re.findall( "([a-z])", season)[0], "e"))
    #finish swe djf



    for the_ax in all_plot_axes:
        the_ax.set_xlim(x_min, x_max)
        the_ax.set_ylim(y_min, y_max)
        basemap.drawcoastlines(ax = the_ax, linewidth = 0.1)
        plot_utils.draw_meridians_and_parallels(basemap, step_degrees=30.0, ax = the_ax)
        plot_basin_boundaries_from_shape(basemap, axes = the_ax, linewidth=0.4)


    #gs.update(wspace=0.5)

    #gs.tight_layout(fig)
    #fig.suptitle("Projected changes, total precip (mm/day), CRCM4")
    fig.tight_layout()
    fig.savefig("proj_change_{0}_ccc.png".format(var_name))

    pass
def plot_swe_and_temp_on_one_plot():
    seasons = ["(a) Annual", " (b) Winter (DJF)", "(c) Spring (MAM)", "(d) Summer (JJA)", "(e) Fall (SON)"]
    months =  [range(1, 13), [12, 1, 2], [3, 4, 5], [6, 7, 8], [9, 10, 11]  ]
    season_to_months = dict(zip(seasons, months))
    cru_var_name = "tmp"

    temp_obs_data_store, temp_crcm4_data_store = _get_comparison_data(cru_var_name= cru_var_name,
        season_to_months=season_to_months)

    x, y = polar_stereographic.xs, polar_stereographic.ys
    i_array, j_array = _get_routing_indices()
    x_min, x_max, y_min, y_max = plot_utils.get_ranges(x[i_array, j_array], y[i_array, j_array])

    #get swe data
    swe_obs_name = "swe"
    swe_obs_data_store, swe_crcm4_data_store = _get_comparison_data_swe(swe_var_name= swe_obs_name,
        season_to_months=season_to_months, start_date=datetime(1980,1,1), end_date=datetime(1997, 1, 1))



    plot_utils.apply_plot_params(width_pt= None, font_size=9, aspect_ratio=2.5)

    fig = plt.figure()
    assert isinstance(fig, Figure)
    gs = gridspec.GridSpec(2, 1)

    basemap = polar_stereographic.basemap
    swe_season = seasons[1]
    temp_season = seasons[2]

    var_names = [ "swe", cru_var_name]
    the_seasons = [ swe_season, temp_season ]

    labels = [ "(a) Winter (DJF)", "(b) Sping (MAM)"]
    units = [ "mm", "$^{\\circ}{\\rm C}$" ]

    data_stores = [
        [swe_obs_data_store, swe_crcm4_data_store],
        [temp_obs_data_store, temp_crcm4_data_store]
    ]



    all_plot_axes = []
    for i, season, var_name, store, label, unit in zip(xrange(len(seasons)), the_seasons, var_names, data_stores,
            labels, units):
        ax = fig.add_subplot(gs[i, 0])
        all_plot_axes.append(ax)
        assert isinstance(ax, Axes)

        crcm4 = store[1][season]
        obs = store[0][season]

        delta = crcm4 - obs
        if var_name == "tmp": delta -= 273.15

        if var_name == "swe":
            ax.annotate("(1979-1997)", (0.1, 0.1), xycoords = "axes fraction",
                font_properties = FontProperties(weight = "bold"))
        elif var_name == "tmp":
            ax.annotate("(1970-1999)", (0.1, 0.1), xycoords = "axes fraction",
                font_properties = FontProperties(weight = "bold"))


        color_map = my_cm.get_red_blue_colormap(ncolors = 16, reversed=(var_name == "tmp"))
        color_map.set_over("k")
        color_map.set_under("k")



        #delta = maskoceans(polar_stereographic.lons, polar_stereographic.lats, delta)
        save = delta[i_array, j_array]
        delta = np.ma.masked_all(delta.shape)
        delta[i_array, j_array] = save



        vmin = np.floor( np.min(save)  )
        vmax = np.ceil( np.max(save)  )

        decimals = 0 if var_name == "swe" else 1
        round_func = lambda x: np.round(x, decimals= decimals)
        bounds = plot_utils.get_boundaries_for_colobar(vmin, vmax, color_map.N, round_func= round_func)
        bn = BoundaryNorm( bounds, color_map.N )

        img = basemap.pcolormesh(x, y, delta, cmap = color_map, norm = bn)
        divider = make_axes_locatable(ax)
        cax = divider.append_axes("right", "8%", pad="3%")
        fig.colorbar(img, cax = cax, boundaries = bounds, ticks = bounds)
        ax.set_title(label)
        cax.set_title(unit)




    for the_ax in all_plot_axes:
        the_ax.set_xlim(x_min, x_max)
        the_ax.set_ylim(y_min, y_max)
        basemap.drawcoastlines(ax = the_ax, linewidth = 0.1)
        plot_utils.draw_meridians_and_parallels(basemap, step_degrees=30.0, ax = the_ax)
        plot_basin_boundaries_from_shape(basemap, axes = the_ax, linewidth=0.4)
        put_selected_stations(the_ax, basemap, i_array, j_array)

    fig.tight_layout()
    fig.savefig("swe_temp_biases.png")