.. 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_misc_fill_spiral.py:
===========
Fill Spiral
===========
.. image:: /gallery/misc/images/sphx_glr_fill_spiral_001.png
:alt: fill spiral
:class: sphx-glr-single-img
.. code-block:: default
import matplotlib.pyplot as plt
import numpy as np
theta = np.arange(0, 8*np.pi, 0.1)
a = 1
b = .2
for dt in np.arange(0, 2*np.pi, np.pi/2.0):
x = a*np.cos(theta + dt)*np.exp(b*theta)
y = a*np.sin(theta + dt)*np.exp(b*theta)
dt = dt + np.pi/4.0
x2 = a*np.cos(theta + dt)*np.exp(b*theta)
y2 = a*np.sin(theta + dt)*np.exp(b*theta)
xf = np.concatenate((x, x2[::-1]))
yf = np.concatenate((y, y2[::-1]))
p1 = plt.fill(xf, yf)
plt.show()
.. _sphx_glr_download_gallery_misc_fill_spiral.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: fill_spiral.py `
.. container:: sphx-glr-download sphx-glr-download-jupyter
:download:`Download Jupyter notebook: fill_spiral.ipynb `
.. only:: html
.. rst-class:: sphx-glr-signature
Keywords: matplotlib code example, codex, python plot, pyplot
`Gallery generated by Sphinx-Gallery
`_