.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "gallery/units/ellipse_with_units.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. meta:: :keywords: codex .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_gallery_units_ellipse_with_units.py: ================== Ellipse with units ================== Compare the ellipse generated with arcs versus a polygonal approximation. .. only:: builder_html This example requires :download:`basic_units.py ` .. GENERATED FROM PYTHON SOURCE LINES 12-39 .. code-block:: Python from basic_units import cm import matplotlib.pyplot as plt import numpy as np from matplotlib import patches xcenter, ycenter = 0.38*cm, 0.52*cm width, height = 1e-1*cm, 3e-1*cm angle = -30 theta = np.deg2rad(np.arange(0.0, 360.0, 1.0)) x = 0.5 * width * np.cos(theta) y = 0.5 * height * np.sin(theta) rtheta = np.radians(angle) R = np.array([ [np.cos(rtheta), -np.sin(rtheta)], [np.sin(rtheta), np.cos(rtheta)], ]) x, y = np.dot(R, [x, y]) x += xcenter y += ycenter .. GENERATED FROM PYTHON SOURCE LINES 40-60 .. code-block:: Python fig = plt.figure() ax = fig.add_subplot(211, aspect='auto') ax.fill(x, y, alpha=0.2, facecolor='yellow', edgecolor='yellow', linewidth=1, zorder=1) e1 = patches.Ellipse((xcenter, ycenter), width, height, angle=angle, linewidth=2, fill=False, zorder=2) ax.add_patch(e1) ax = fig.add_subplot(212, aspect='equal') ax.fill(x, y, alpha=0.2, facecolor='green', edgecolor='green', zorder=1) e2 = patches.Ellipse((xcenter, ycenter), width, height, angle=angle, linewidth=2, fill=False, zorder=2) ax.add_patch(e2) fig.savefig('ellipse_compare') .. image-sg:: /gallery/units/images/sphx_glr_ellipse_with_units_001.png :alt: ellipse with units :srcset: /gallery/units/images/sphx_glr_ellipse_with_units_001.png, /gallery/units/images/sphx_glr_ellipse_with_units_001_2_00x.png 2.00x :class: sphx-glr-single-img .. GENERATED FROM PYTHON SOURCE LINES 61-82 .. code-block:: Python fig = plt.figure() ax = fig.add_subplot(211, aspect='auto') ax.fill(x, y, alpha=0.2, facecolor='yellow', edgecolor='yellow', linewidth=1, zorder=1) e1 = patches.Arc((xcenter, ycenter), width, height, angle=angle, linewidth=2, fill=False, zorder=2) ax.add_patch(e1) ax = fig.add_subplot(212, aspect='equal') ax.fill(x, y, alpha=0.2, facecolor='green', edgecolor='green', zorder=1) e2 = patches.Arc((xcenter, ycenter), width, height, angle=angle, linewidth=2, fill=False, zorder=2) ax.add_patch(e2) fig.savefig('arc_compare') plt.show() .. image-sg:: /gallery/units/images/sphx_glr_ellipse_with_units_002.png :alt: ellipse with units :srcset: /gallery/units/images/sphx_glr_ellipse_with_units_002.png, /gallery/units/images/sphx_glr_ellipse_with_units_002_2_00x.png 2.00x :class: sphx-glr-single-img .. _sphx_glr_download_gallery_units_ellipse_with_units.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: ellipse_with_units.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: ellipse_with_units.py ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_