Example #1
0
def plot_insert(insert_x, insert_y, width, length, circle_centre):
    circle, ellipse = visual_circle_and_ellipse(insert_x, insert_y, width,
                                                length, circle_centre)

    plt.figure()
    plt.plot(insert_x, insert_y)
    plt.axis("equal")

    plt.plot(circle["x"], circle["y"])
    plt.title("Insert shape parameterisation")
    plt.xlabel("x (cm)")
    plt.ylabel("y (cm)")
    plt.grid(True)

    plt.plot(ellipse["x"], ellipse["y"])
Example #2
0
def create_dvh(structure, dcm_struct, dcm_dose):
    structure_dose_values = find_dose_within_structure(structure, dcm_struct,
                                                       dcm_dose)
    hist = np.histogram(structure_dose_values, 100)
    freq = hist[0]
    bin_edge = hist[1]
    bin_mid = (bin_edge[1::] + bin_edge[:-1:]) / 2

    cumulative = np.cumsum(freq[::-1])
    cumulative = cumulative[::-1]
    bin_mid = np.append([0], bin_mid)

    cumulative = np.append(cumulative[0], cumulative)
    percent_cumulative = cumulative / cumulative[0] * 100

    plt.plot(bin_mid, percent_cumulative, label=structure)
    plt.title("DVH")
    plt.xlabel("Dose (Gy)")
    plt.ylabel("Relative Volume (%)")
Example #3
0
def display_mu_density(
    grid, mu_density, grid_resolution=None, cmap=None, vmin=None, vmax=None
):
    """Prints a colour plot of the MU Density.

    Examples
    --------
    See `pymedphys.mudensity.calculate`_.
    """
    if grid_resolution is None:
        grid_resolution = grid["mlc"][1] - grid["mlc"][0]

    x, y = pcolormesh_grid(grid["mlc"], grid["jaw"], grid_resolution)
    plt.pcolormesh(x, y, mu_density, cmap=cmap, vmin=vmin, vmax=vmax)
    plt.colorbar()
    plt.title("MU density")
    plt.xlabel("MLC direction (mm)")
    plt.ylabel("Jaw direction (mm)")
    plt.axis("equal")
    plt.gca().invert_yaxis()
Example #4
0
def plot_model(width_data, length_data, factor_data):

    i, j, k = create_transformed_mesh(width_data, length_data, factor_data)
    model_width, model_length, model_factor = i, j, k

    # model_width_mesh, model_length_mesh = np.meshgrid(
    #     model_width, model_length)

    vmin = np.nanmin(
        np.concatenate([model_factor.ravel(),
                        factor_data.ravel()]))
    vmax = np.nanmax(
        np.concatenate([model_factor.ravel(),
                        factor_data.ravel()]))
    # vrange = vmax - vmin

    plt.scatter(
        width_data,
        length_data,
        s=100,
        c=factor_data,
        cmap="viridis",
        vmin=vmin,
        vmax=vmax,
        zorder=2,
    )

    plt.colorbar()

    cs = plt.contour(model_width,
                     model_length,
                     model_factor,
                     20,
                     vmin=vmin,
                     vmax=vmax)

    plt.clabel(cs, cs.levels[::2], inline=True)

    plt.title("Insert model")
    plt.xlabel("width (cm)")
    plt.ylabel("length (cm)")
Example #5
0
def plot_results(
    grid_xx, grid_yy, logfile_mu_density, mosaiq_mu_density, diff_colour_scale=0.1
):
    min_val = np.min([logfile_mu_density, mosaiq_mu_density])
    max_val = np.max([logfile_mu_density, mosaiq_mu_density])

    plt.figure()
    plt.pcolormesh(grid_xx, grid_yy, logfile_mu_density, vmin=min_val, vmax=max_val)
    plt.colorbar()
    plt.title("Logfile MU density")
    plt.xlabel("MLC direction (mm)")
    plt.ylabel("Jaw direction (mm)")
    plt.gca().invert_yaxis()

    plt.figure()
    plt.pcolormesh(grid_xx, grid_yy, mosaiq_mu_density, vmin=min_val, vmax=max_val)
    plt.colorbar()
    plt.title("Mosaiq MU density")
    plt.xlabel("MLC direction (mm)")
    plt.ylabel("Jaw direction (mm)")
    plt.gca().invert_yaxis()

    scaled_diff = (logfile_mu_density - mosaiq_mu_density) / max_val

    plt.figure()
    plt.pcolormesh(
        grid_xx,
        grid_yy,
        scaled_diff,
        vmin=-diff_colour_scale / 2,
        vmax=diff_colour_scale / 2,
    )
    plt.colorbar(label="Limited colour range = {}".format(diff_colour_scale / 2))
    plt.title("(Logfile - Mosaiq MU density) / Maximum MU Density")
    plt.xlabel("MLC direction (mm)")
    plt.ylabel("Jaw direction (mm)")
    plt.gca().invert_yaxis()

    plt.show()

    plt.figure()
    plt.pcolormesh(
        grid_xx, grid_yy, scaled_diff, vmin=-diff_colour_scale, vmax=diff_colour_scale
    )
    plt.colorbar(label="Limited colour range = {}".format(diff_colour_scale))
    plt.title("(Logfile - Mosaiq MU density) / Maximum MU Density")
    plt.xlabel("MLC direction (mm)")
    plt.ylabel("Jaw direction (mm)")
    plt.gca().invert_yaxis()

    plt.show()

    absolute_range = np.max([-np.min(scaled_diff), np.max(scaled_diff)])

    plt.figure()
    plt.pcolormesh(
        grid_xx, grid_yy, scaled_diff, vmin=-absolute_range, vmax=absolute_range
    )
    plt.colorbar(label="No limited colour range")
    plt.title("(Logfile - Mosaiq MU density) / Maximum MU Density")
    plt.xlabel("MLC direction (mm)")
    plt.ylabel("Jaw direction (mm)")
    plt.gca().invert_yaxis()

    plt.show()