Ejemplo n.º 1
0
def plot_roc(roc: ROC,
             title: str = "",
             label: str = "",
             show=False,
             save=False,
             fig: plt.Figure = None):
    if fig is None:
        fig = plt.figure()
        ax = fig.add_axes([0.1, 0.1, 0.85, 0.8])
    else:
        ax = fig.get_axes()
        assert len(ax) == 1
        ax = ax[0]

    lw = 2
    fpr, tpr, _ = roc
    ax.plot(fpr, tpr, lw=lw, label=label)

    ax.plot([0, 1], [0, 1], color='navy', lw=lw, linestyle='--')
    ax.set(xlabel='FPR', ylabel='TPR', ylim=[0.0, 1.05], xlim=[0.0, 1.0])
    ax.set_title(title, fontsize=15)
    ax.legend(loc="lower right")
    # fig.tight_layout()
    if show:
        fig.show()
    if save:
        fig.savefig(f'figs/{title}_{label}.png')
    return fig
Ejemplo n.º 2
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def create_thumbnail(infile, thumbfile,
                     width=180, height=180,
                     xoffset=0, yoffset=0, zoom=1,
                     cx=0.5, cy=0.6, dpi=100):
    from matplotlib import image
    from matplotlib.pyplot import Figure

    baseout, extout = os.path.splitext(thumbfile)
    im = image.imread(infile)
    thumb = padded_thumbnail(im, (height, width), (yoffset, xoffset), zoom)

    extension = extout.lower()

    if extension == '.png':
        from matplotlib.backends.backend_agg \
            import FigureCanvasAgg as FigureCanvas
    elif extension == '.pdf':
        from matplotlib.backends.backend_pdf \
            import FigureCanvasPDF as FigureCanvas
    elif extension == '.svg':
        from matplotlib.backends.backend_svg \
            import FigureCanvasSVG as FigureCanvas
    else:
        raise ValueError("Can only handle extensions 'png', 'svg' or 'pdf'")

    fig = Figure(figsize=(float(width) / dpi, float(height) / dpi), dpi=dpi)
    canvas = FigureCanvas(fig)

    ax = fig.add_axes([0, 0, 1, 1], aspect='auto',
                      frameon=False, xticks=[], yticks=[])

    ax.imshow(thumb, aspect='auto', resample=True,
              interpolation='bilinear')
    fig.savefig(thumbfile, dpi=dpi)
    return fig
Ejemplo n.º 3
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def add_relpath_to_top_corner(figure: plt.Figure):
    big_axis = figure.add_axes([0, 0, 1, 1], facecolor=(1, 1, 1, 0))

    big_axis.text(0.99, 0.99,
                  os.path.relpath(os.path.abspath(os.curdir), os.path.expanduser("~/bioinf/handling")),
                  color="#CCCCCC",
                  horizontalalignment='right',
                  verticalalignment='top')
def add_inset_spectrum(figure: plt.Figure) -> plt.axis:
    rect_transform = [.7, .7, .25,
                      .25]  # (0,0 is bottom left; 1,1 is top right)
    _axis = figure.add_axes(rect_transform)
    _axis.get_xaxis().set_visible(False)  # Hide tick labels
    _axis.get_yaxis().set_visible(False)  # Hide tick labels
    _axis.set_yscale('log')  # Set log scale
    return _axis
def add_track_spectrum(figure: plt.Figure) -> plt.axis:
    rect_transform = [0.125, 0.05, .775,
                      .15]  # (0,0 is bottom left; 1,1 is top right)
    _axis = figure.add_axes(rect_transform)
    _axis.get_xaxis().set_visible(False)  # Hide tick labels
    _axis.get_yaxis().set_visible(False)  # Hide tick labels
    _axis.set_yscale('log')  # Set log scale
    _axis.set_facecolor('k')  # Face color
    return _axis
Ejemplo n.º 6
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def plot_test_sample(fig: plt.Figure,
                     image: torch.Tensor,
                     predictions: torch.Tensor,
                     class_names: List[str],
                     true_class: str,
                     k: int = 10):
    """Plot test sample image with predictions on given Figure.

    Args:
        fig (plt.Figure): Figure to draw on.
        image (torch.Tensor): Image to draw.
        predictions (torch.Tensor): Preditions of network.
        class_names (List[str]): Class names
        true_class (str): True class of given image
        k (int, optional): How many best predictions to plot as bar plot. Defaults to 10.
    """
    im_ax = fig.add_axes([0.0, 0.0, 2 / 3, 1.0])
    pred_ax = fig.add_axes([2 / 3, 1 / 8, 1 / 3, 7 / 8])
    plot_im(im_ax, image, true_class)
    plot_prediction_bar(pred_ax, predictions, class_names, k)
Ejemplo n.º 7
0
 def isochrones_subfig(
     fig_: Figure, x_: np.ndarray, y_: np.ndarray, color_: str = gray_
 ) -> Tuple[Axes, Tuple[float, float]]:
     r"""Generate an isochrones subfig for embedding."""
     # Top left isochrones 0
     size_zoom_0: Tuple[float, float] = (0.65, 0.55)
     posn_0: Tuple[float, float] = (0.0, 0.75)
     axes_0 = fig_.add_axes([*posn_0, *size_zoom_0])
     plt.axis("off")
     n_isochrones = 6
     for i_, sf_ in enumerate(np.linspace(0.5, 1.2, n_isochrones)):
         plt.plot(
             *(x_, sf_ * y_),
             "-",
             color=self.gray_color(i_, n_gray),
             lw=2.5,
         )
     plt.xlim(0, 1)
     plt.ylim(0, 1)
     sf1_ = 1.3
     sf2_ = 1.3
     arrow_xy_: np.ndarray = np.array([0.2, 0.8])
     arrow_dxy_: np.ndarray = np.array([-0.025, 0.15])
     motion_xy_: Tuple[float, float] = (0.1, 0.8)
     motion_angle_ = 23
     my_arrow_style = ArrowStyle.Simple(
         head_length=1 * sf1_, head_width=1 * sf1_, tail_width=0.1 * sf1_
     )
     axes_0.annotate(
         "",
         xy=arrow_xy_,
         xytext=arrow_xy_ + arrow_dxy_ * sf2_,
         transform=axes_0.transAxes,
         arrowprops=dict(arrowstyle=my_arrow_style, color=color_, lw=3),
     )
     plt.text(
         *motion_xy_,
         "motion",
         color=color_,
         fontsize=16,
         rotation=motion_angle_,
         transform=axes_0.transAxes,
         horizontalalignment="center",
         verticalalignment="center",
     )
     return (axes_0, posn_0)
Ejemplo n.º 8
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def add_axes(fig: Figure, rct: Tuple[float, float, float, float],
             num: int) -> List[Axes]:
    """
    add axes to figure in a rectangular with several panels vertically.
    :param fig: figure to add axes.
    :param rct: lower left point x, lower left point y, width, height.
    :param num: number of panels.
    :return: a list of axes.
    """
    axs = []
    x0, y0, w, h = rct
    width = w
    height = h / num
    for n in range(num):
        xax = x0
        yax = y0 + h - (n + 1) * height
        ax = fig.add_axes([xax, yax, width, height])
        axs.append(ax)
    return axs
Ejemplo n.º 9
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def split_horizontal(fig: Figure, rct: Tuple[float, float, float, float],
                     frac: float) -> Tuple[Axes, Axes]:
    """
    create a axes in figure with two separate panels in horizontal.
    :param fig: figure to create axes.
    :param rct: lower left point x, lower left point y, width, height.
    :param frac: the fraction of left panel in width.
    :return: two axes.
    """
    x, y, w, h = rct
    x0, y0 = x, y
    w0, h0 = w * frac, h
    x1, y1 = x + w0, y
    w1, h1 = w - w0, h
    rct0 = (x0, y0, w0, h0)
    rct1 = (x1, y1, w1, h1)
    ax0 = fig.add_axes(rct0)
    ax1 = fig.add_axes(rct1)
    return ax0, ax1
Ejemplo n.º 10
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def create_thumbnail(infile,
                     thumbfile,
                     width=180,
                     height=180,
                     xoffset=0,
                     yoffset=0,
                     zoom=1,
                     cx=0.5,
                     cy=0.6,
                     dpi=100):
    from matplotlib import image
    from matplotlib.pyplot import Figure

    baseout, extout = os.path.splitext(thumbfile)
    im = image.imread(infile)
    thumb = padded_thumbnail(im, (height, width), (yoffset, xoffset), zoom)

    extension = extout.lower()

    if extension == '.png':
        from matplotlib.backends.backend_agg \
            import FigureCanvasAgg as FigureCanvas
    elif extension == '.pdf':
        from matplotlib.backends.backend_pdf \
            import FigureCanvasPDF as FigureCanvas
    elif extension == '.svg':
        from matplotlib.backends.backend_svg \
            import FigureCanvasSVG as FigureCanvas
    else:
        raise ValueError("Can only handle extensions 'png', 'svg' or 'pdf'")

    fig = Figure(figsize=(float(width) / dpi, float(height) / dpi), dpi=dpi)
    canvas = FigureCanvas(fig)

    ax = fig.add_axes([0, 0, 1, 1],
                      aspect='auto',
                      frameon=False,
                      xticks=[],
                      yticks=[])

    ax.imshow(thumb, aspect='auto', resample=True, interpolation='bilinear')
    fig.savefig(thumbfile, dpi=dpi)
    return fig
Ejemplo n.º 11
0
        def zoom_boxes(
            fig_: Figure, ta_color_: str = gray2_, tb_color_: str = gray1_
        ) -> Tuple[Axes, Axes, Axes, Axes, str]:  # mpl.axes._axes.
            r"""Generate 'zoom' boxes."""
            size_zoom_AB: Tuple[float, float] = (0.3, 0.7)
            size_zoom_C: Tuple[float, float] = (0.3, 0.7)
            n_pts: int = 300

            def zoomed_isochrones(
                axes_: Axes,
                name_text: str,
                i_pt1_: Union[int, List[int]],
                i_pt2_: int,  # Union[int, List[int]],
                do_many: bool = False,
                do_legend: bool = False,
                do_pts_only: bool = False,
            ) -> Tuple[np.ndarray, np.ndarray, np.ndarray]:
                """Generate isochrones for zoom box."""
                x_array = np.linspace(-1, 3, n_pts)
                y_array1 = x_array * 0.5
                y_array2 = y_array1 + 0.7

                # Ta
                if not do_pts_only:
                    plt.plot(
                        x_array,
                        y_array2,
                        "-",
                        color=ta_color_,
                        lw=2.5,
                        label=r"$T_a$",
                    )
                xy_pt2 = np.array([x_array[i_pt2_], y_array2[i_pt2_]])
                marker_style2 = dict(
                    marker="o",
                    fillstyle="none",
                    markersize=8,
                    markeredgecolor=ta_color_,
                    markerfacecolor=ta_color_,
                    markeredgewidth=2,
                )
                plt.plot(*xy_pt2, **marker_style2)
                if not do_pts_only:
                    plt.text(
                        *(xy_pt2 + np.array([-0.03, 0.08])),
                        r"$\mathbf{a}$",
                        color=ta_color_,
                        fontsize=18,
                        rotation=0,
                        transform=axes_.transAxes,
                        horizontalalignment="center",
                        verticalalignment="center",
                    )
                # Tb
                if not do_pts_only:
                    plt.plot(
                        x_array,
                        y_array1,
                        "-",
                        color=tb_color_,
                        lw=2.5,
                        label=r"$T_b = T_a+\Delta{T}$",
                    )
                # if isinstance(i_pt1_, List) else [i_pt1_]
                i_pts1: List = [i_pt1_]
                xy_pts1_tmp = np.array(
                    [
                        np.array([x_array[i_pt1__], y_array1[i_pt1__]])
                        for i_pt1__ in i_pts1
                    ]
                )
                xy_pts1 = (
                    xy_pts1_tmp.T.reshape((xy_pts1_tmp.shape[2], 2))
                    if do_many
                    else xy_pts1_tmp
                )
                marker_style1 = marker_style2.copy()
                marker_style1.update(
                    {"markeredgecolor": tb_color_, "markerfacecolor": "w"}
                )
                for xy_pt1_ in xy_pts1:
                    plt.plot(*xy_pt1_, **marker_style1)

                if not do_pts_only:
                    b_label_i = 4 if do_many else 0
                    b_label_xy = xy_pts1[b_label_i] + np.array([0.03, -0.08])
                    b_label_text = (
                        r"$\{\mathbf{b}\}$" if do_many else r"$\mathbf{b}$"
                    )
                    plt.text(
                        *b_label_xy,
                        b_label_text,
                        color=tb_color_,
                        fontsize=18,
                        rotation=0,
                        transform=axes_.transAxes,
                        horizontalalignment="center",
                        verticalalignment="center",
                    )
                    if do_legend:
                        plt.legend(loc=[0.05, -0.35], fontsize=16, framealpha=0)
                    name_xy = [0.97, 0.03]
                    plt.text(
                        *name_xy,
                        name_text,
                        color=brown_,
                        fontsize=14,
                        rotation=0,
                        transform=axes_.transAxes,
                        horizontalalignment="right",
                        verticalalignment="bottom",
                    )

                dx = x_array[1] - x_array[0]
                dy = y_array1[1] - y_array1[0]
                return (
                    xy_pts1 if do_many else xy_pts1[0],
                    xy_pt2,
                    np.array([dx, dy]),
                )

            def v_arrow(
                axes_: Axes,
                xy_pt1: np.ndarray,
                xy_pt2: np.ndarray,
                dxy: Tuple[float, float],
                a_f: float = 0.54,
                v_f: float = 0.5,
                v_label: str = r"$\mathbf{v}$",
                color_: str = red_,
                do_dashing: bool = False,
                do_label: bool = False,
            ) -> None:
                v_lw = 1.5
                axes_.arrow(
                    *((xy_pt1 * a_f + xy_pt2 * (1 - a_f))),
                    *((xy_pt1 - xy_pt2) * 0.01),
                    lw=1,
                    facecolor=color_,
                    edgecolor=color_,
                    head_width=0.05,
                    overhang=0.3,
                    transform=axes_.transAxes,
                    length_includes_head=True,
                )
                axes_.plot(
                    [xy_pt1[0], xy_pt2[0]],
                    [xy_pt1[1], xy_pt2[1]],
                    ls="--" if do_dashing else "-",
                    lw=v_lw,
                    color=color_,
                )
                f = v_f
                v_xy = (
                    xy_pt1[0] * f + xy_pt2[0] * (1 - f) + dxy[0],
                    xy_pt1[1] * f + xy_pt2[1] * (1 - f) + dxy[1],
                )
                if do_label:
                    axes_.text(
                        *v_xy,
                        v_label,
                        color=color_,
                        fontsize=18,
                        rotation=0,
                        transform=axes_.transAxes,
                        horizontalalignment="right",
                        verticalalignment="bottom",
                    )

            def p_bones(
                axes_: Axes,
                xy_pt1: np.ndarray,
                xy_pt2: np.ndarray,
                dxy: np.ndarray,
                p_f: float = 0.9,
                color_: str = blue_,
                n_bones: int = 5,
                do_primary: bool = True,
            ) -> None:
                alpha_ = 0.7
                p_dashing = [1, 0]  # [4, 4]
                p_lw = 3
                axes_.plot(
                    [xy_pt1[0], xy_pt2[0]],
                    [xy_pt1[1], xy_pt2[1]],
                    dashes=p_dashing,
                    lw=p_lw,
                    color=color_,
                    alpha=1 if do_primary else alpha_,
                )
                bones = np.linspace(1, 0, n_bones, endpoint=False)
                for i_, f in enumerate(bones):
                    x = xy_pt1[0] * f + xy_pt2[0] * (1 - f)
                    y = xy_pt1[1] * f + xy_pt2[1] * (1 - f)
                    sf = 4 if do_primary else 3
                    dx = dxy[0] * sf
                    dy = dxy[1] * sf
                    x_pair = [x - dx, x + dx]
                    y_pair = [y - dy, y + dy]
                    axes_.plot(
                        x_pair,
                        y_pair,
                        lw=5 if i_ == 0 else 2.5,
                        color=color_,
                        alpha=1 if do_primary else alpha_,
                    )
                f = p_f
                p_xy = (
                    xy_pt1[0] * f + xy_pt2[0] * (1 - f) - 0.1,
                    xy_pt1[1] * f + xy_pt2[1] * (1 - f) - 0.1,
                )
                if do_primary:
                    axes_.text(
                        *p_xy,
                        r"$\mathbf{\widetilde{p}}$",
                        color=color_,
                        fontsize=18,
                        rotation=0,
                        transform=axes_.transAxes,
                        horizontalalignment="right",
                        verticalalignment="bottom",
                    )

            def psi_label(
                axes_: Axes,
                xy_pt1_B: np.ndarray,
                xy_pt2_B: np.ndarray,
                xy_pt1_C: np.ndarray,
                xy_pt2_C: np.ndarray,
                color_: str = red_,
            ) -> None:
                label_xy = [0.5, 0.53]
                axes_.text(
                    *label_xy,
                    r"$\psi$",
                    color=color_,
                    fontsize=20,
                    rotation=0,
                    transform=axes_.transAxes,
                    horizontalalignment="center",
                    verticalalignment="center",
                )
                angle_B = np.rad2deg(
                    np.arctan(
                        (xy_pt2_B[1] - xy_pt1_B[1])
                        / (xy_pt2_B[0] - xy_pt1_B[0])
                    )
                )
                angle_C = np.rad2deg(
                    np.arctan(
                        (xy_pt2_C[1] - xy_pt1_C[1])
                        / (xy_pt2_C[0] - xy_pt1_C[0])
                    )
                )
                radius = 0.95
                axes_.add_patch(
                    Arc(
                        xy_pt2_B,
                        radius,
                        radius,
                        color=color_,
                        linewidth=2,
                        fill=False,
                        zorder=2,
                        # transform=axes_.transAxes,
                        angle=angle_B,
                        theta1=0,
                        theta2=angle_C - angle_B,
                    )
                )

            def beta_label(
                axes_: Axes,
                xy_pt1_B: np.ndarray,
                xy_pt2_B: np.ndarray,
                color_: str = blue_,
            ) -> None:
                label_xy = [0.28, 0.47]
                axes_.text(
                    *label_xy,
                    r"$\beta$",
                    color=color_,
                    fontsize=20,
                    rotation=0,
                    transform=axes_.transAxes,
                    horizontalalignment="center",
                    verticalalignment="center",
                )
                angle_ref = -90
                angle_B = np.rad2deg(
                    np.arctan(
                        (xy_pt2_B[1] - xy_pt1_B[1])
                        / (xy_pt2_B[0] - xy_pt1_B[0])
                    )
                )
                radius = 0.88
                axes_.add_patch(
                    Arc(
                        xy_pt2_B,
                        radius,
                        radius,
                        color=color_,
                        linestyle="--",
                        linewidth=2,
                        fill=False,
                        zorder=2,
                        # transform=axes_.transAxes,
                        angle=angle_ref,
                        theta1=0,
                        theta2=angle_B - angle_ref,
                    )
                )
                axes_.plot(
                    [xy_pt2_B[0], xy_pt2_B[0]],
                    [xy_pt2_B[1], xy_pt2_B[1] - 0.5],
                    ":",
                    color=color_,
                )

            def alpha_label(
                axes_: Axes,
                xy_pt1_B: np.ndarray,
                xy_pt2_B: np.ndarray,
                color_: str = red_,
            ) -> None:
                label_xy = [0.55, 0.75]
                axes_.text(
                    *label_xy,
                    r"$-\alpha$",
                    color=color_,
                    fontsize=20,
                    rotation=0,
                    transform=axes_.transAxes,
                    horizontalalignment="center",
                    verticalalignment="center",
                )
                # angle_ref = 0
                angle_B = np.rad2deg(
                    np.arctan(
                        (xy_pt2_B[1] - xy_pt1_B[1])
                        / (xy_pt2_B[0] - xy_pt1_B[0])
                    )
                )
                radius = 0.88
                axes_.add_patch(
                    Arc(
                        xy_pt2_B,
                        radius,
                        radius,
                        color=color_,
                        linestyle="--",
                        linewidth=2,
                        fill=False,
                        zorder=2,
                        # transform=axes_.transAxes,
                        angle=angle_B,
                        theta1=0,
                        theta2=-angle_B,
                    )
                )
                axes_.plot(
                    [xy_pt2_B[0], xy_pt2_B[0] + 0.5],
                    [xy_pt2_B[1], xy_pt2_B[1]],
                    ":",
                    color=color_,
                )

            # From zoom box D
            posn_D = np.array(posn_0) + np.array([0.19, 0.25])
            size_zoom_D = [0.042, 0.1]
            axes_D = fig_.add_axes([*posn_D, *size_zoom_D])
            remove_ticks_etc(axes_D)
            axes_D.patch.set_alpha(0.5)

            # Zoom any point pairing A
            posn_A = [0, 0.15]
            axes_A = fig_.add_axes([*posn_A, *size_zoom_AB])
            remove_ticks_etc(axes_A)
            i_pt2_A = 92
            i_pts1_A = [i_pt2_A + i_ for i_ in np.arange(-43, 100, 15)]
            # logging.info(type(i_pts1_A))
            (xy_pts1_A, xy_pt2_A, _) = zoomed_isochrones(
                axes_A, "free", i_pts1_A, i_pt2_A, do_many=True
            )
            for i_, xy_pt1_A in enumerate(xy_pts1_A):
                v_arrow(
                    axes_A,
                    xy_pt1_A,
                    xy_pt2_A,
                    dxy=(0.12, 0.05),
                    do_dashing=True,
                    v_f=0.35,
                    v_label=r"$\{\mathbf{v}\}$",
                    do_label=bool(i_ == len(xy_pts1_A) - 1),
                )
            _ = zoomed_isochrones(axes_A, "", i_pts1_A, i_pt2_A, do_many=True)

            # Zoom intrinsic pairing B
            posn_B = [0.33, 0.28]
            axes_B = fig_.add_axes([*posn_B, *size_zoom_AB])
            remove_ticks_etc(axes_B)
            i_pt2_B = i_pt2_A
            i_pt1_B = i_pt2_A + 19
            (xy_pt1_B, xy_pt2_B, dxy_B) = zoomed_isochrones(
                axes_B, "isotropic", i_pt1_B, i_pt2_B
            )
            p_bones(axes_B, xy_pt1_B, xy_pt2_B, dxy_B)
            v_arrow(
                axes_B,
                xy_pt1_B,
                xy_pt2_B,
                v_f=0.5,
                dxy=(0.13, 0.02),
                do_label=True,
            )
            _ = zoomed_isochrones(
                axes_B, "", i_pt1_B, i_pt2_B, do_pts_only=True
            )

            # Zoom erosion-fn pairing C
            posn_C = [0.66, 0.6]
            axes_C = fig_.add_axes([*posn_C, *size_zoom_C])
            remove_ticks_etc(axes_C)
            i_pt1_C = i_pt1_B + 30
            i_pt2_C = i_pt2_B
            (xy_pt1_C, xy_pt2_C, dxy_C) = zoomed_isochrones(
                axes_C, "anisotropic", i_pt1_C, i_pt2_C, do_legend=True
            )
            p_bones(axes_C, xy_pt1_C, xy_pt2_C, dxy_C, do_primary=False)
            p_bones(axes_C, xy_pt1_B, xy_pt2_B, dxy_B)
            v_arrow(
                axes_C,
                xy_pt1_C,
                xy_pt2_C,
                a_f=0.8,
                v_f=0.72,
                dxy=(0.1, 0.05),
                do_label=True,
            )
            _ = zoomed_isochrones(
                axes_C, "", i_pt1_C, i_pt2_C, do_legend=False, do_pts_only=True
            )
            psi_label(
                axes_C, xy_pt1_B, xy_pt2_B, xy_pt1_C, xy_pt2_C, color_=purple_
            )
            beta_label(axes_C, xy_pt1_B, xy_pt2_B)
            alpha_label(axes_C, xy_pt1_C, xy_pt2_C)

            # Brown zoom boxes and tie lines
            set_colors(Spine, [axes_A, axes_B, axes_C, axes_D], brown_)
            return axes_A, axes_B, axes_C, axes_D, brown_