.. only:: html .. note:: :class: sphx-glr-download-link-note Click :ref:`here ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_gallery_axisartist_demo_axis_direction.py: =================== Demo Axis Direction =================== .. image:: /gallery/axisartist/images/sphx_glr_demo_axis_direction_001.png :alt: demo axis direction :class: sphx-glr-single-img .. code-block:: default import numpy as np import matplotlib.pyplot as plt import mpl_toolkits.axisartist.angle_helper as angle_helper import mpl_toolkits.axisartist.grid_finder as grid_finder from matplotlib.projections import PolarAxes from matplotlib.transforms import Affine2D import mpl_toolkits.axisartist as axisartist from mpl_toolkits.axisartist.grid_helper_curvelinear import \ GridHelperCurveLinear def setup_axes(fig, rect): """Polar projection, but in a rectangular box.""" # see demo_curvelinear_grid.py for details 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 = axisartist.Subplot(fig, rect, grid_helper=grid_helper) ax1.axis[:].toggle(ticklabels=False) fig.add_subplot(ax1) 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=(8, 4)) fig.subplots_adjust(left=0.01, right=0.99, bottom=0.01, top=0.99, wspace=0.01, hspace=0.01) for i, d in enumerate(["bottom", "left", "top", "right"]): ax1 = setup_axes(fig, rect=241++i) axis = add_floating_axis1(ax1) axis.set_axis_direction(d) ax1.annotate(d, (0, 1), (5, -5), xycoords="axes fraction", textcoords="offset points", va="top", ha="left") for i, d in enumerate(["bottom", "left", "top", "right"]): ax1 = setup_axes(fig, rect=245++i) axis = add_floating_axis2(ax1) axis.set_axis_direction(d) ax1.annotate(d, (0, 1), (5, -5), xycoords="axes fraction", textcoords="offset points", va="top", ha="left") plt.show() .. _sphx_glr_download_gallery_axisartist_demo_axis_direction.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: demo_axis_direction.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: demo_axis_direction.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_