| """ |
| =============== |
| Simple Axis Pad |
| =============== |
| |
| """ |
|
|
| import matplotlib.pyplot as plt |
| import numpy as np |
|
|
| from matplotlib.projections import PolarAxes |
| from matplotlib.transforms import Affine2D |
| import mpl_toolkits.axisartist as axisartist |
| import mpl_toolkits.axisartist.angle_helper as angle_helper |
| import mpl_toolkits.axisartist.grid_finder as grid_finder |
| from mpl_toolkits.axisartist.grid_helper_curvelinear import \ |
| GridHelperCurveLinear |
|
|
|
|
| def setup_axes(fig, rect): |
| """Polar projection, but in a rectangular box.""" |
|
|
| |
| tr = Affine2D().scale(np.pi/180., 1.) + PolarAxes.PolarTransform() |
|
|
| extreme_finder = angle_helper.ExtremeFinderCycle(20, 20, |
| lon_cycle=360, |
| lat_cycle=None, |
| lon_minmax=None, |
| lat_minmax=(0, np.inf), |
| ) |
|
|
| grid_locator1 = angle_helper.LocatorDMS(12) |
| grid_locator2 = grid_finder.MaxNLocator(5) |
|
|
| tick_formatter1 = angle_helper.FormatterDMS() |
|
|
| grid_helper = GridHelperCurveLinear(tr, |
| extreme_finder=extreme_finder, |
| grid_locator1=grid_locator1, |
| grid_locator2=grid_locator2, |
| tick_formatter1=tick_formatter1 |
| ) |
|
|
| ax1 = fig.add_subplot( |
| rect, axes_class=axisartist.Axes, grid_helper=grid_helper) |
| ax1.axis[:].set_visible(False) |
| ax1.set_aspect(1.) |
| ax1.set_xlim(-5, 12) |
| ax1.set_ylim(-5, 10) |
|
|
| return ax1 |
|
|
|
|
| def add_floating_axis1(ax1): |
| ax1.axis["lat"] = axis = ax1.new_floating_axis(0, 30) |
| axis.label.set_text(r"$\theta = 30^{\circ}$") |
| axis.label.set_visible(True) |
|
|
| return axis |
|
|
|
|
| def add_floating_axis2(ax1): |
| ax1.axis["lon"] = axis = ax1.new_floating_axis(1, 6) |
| axis.label.set_text(r"$r = 6$") |
| axis.label.set_visible(True) |
|
|
| return axis |
|
|
|
|
| fig = plt.figure(figsize=(9, 3.)) |
| fig.subplots_adjust(left=0.01, right=0.99, bottom=0.01, top=0.99, |
| wspace=0.01, hspace=0.01) |
|
|
|
|
| def ann(ax1, d): |
| if plt.rcParams["text.usetex"]: |
| d = d.replace("_", r"\_") |
|
|
| ax1.annotate(d, (0.5, 1), (5, -5), |
| xycoords="axes fraction", textcoords="offset points", |
| va="top", ha="center") |
|
|
|
|
| ax1 = setup_axes(fig, rect=141) |
| axis = add_floating_axis1(ax1) |
| ann(ax1, r"default") |
|
|
| ax1 = setup_axes(fig, rect=142) |
| axis = add_floating_axis1(ax1) |
| axis.major_ticklabels.set_pad(10) |
| ann(ax1, r"ticklabels.set_pad(10)") |
|
|
| ax1 = setup_axes(fig, rect=143) |
| axis = add_floating_axis1(ax1) |
| axis.label.set_pad(20) |
| ann(ax1, r"label.set_pad(20)") |
|
|
| ax1 = setup_axes(fig, rect=144) |
| axis = add_floating_axis1(ax1) |
| axis.major_ticks.set_tick_out(True) |
| ann(ax1, "ticks.set_tick_out(True)") |
|
|
| plt.show() |
|
|
