Open main menu

File:Surface normals.svg

Original file(SVG file, nominally 575 × 449 pixels, file size: 237 KB)

Summary

Description
English: Normal vectors for the surface .
Español: Vectores normales a la superficie .
Date
Source Own work
Author Nicoguaro
SVG development
Created with Matplotlib-logo.svg
This vector image was created with Matplotlib.

Python

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D

x, y = np.mgrid[-1:1:31j, -1:1:31j]
xs, ys = np.mgrid[-1:1:9j, -1:1:9j]

z = x*np.exp(-x**2 - y**2)
zs = xs*np.exp(-xs**2 - ys**2)
u = -(1 - 2*xs**2)*np.exp(-xs**2 - ys**2)
v = 2*ys*zs
w = np.ones_like(xs)

fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
ax.view_init(azim=145, elev=45)
ax.plot_surface(x, y, z, rstride=1, cstride=1, cmap="summer", lw=0.3,
                edgecolors="k")
ax.quiver(xs, ys, zs, u, v, w, colors='k', pivot='tail', length=0.3)
plt.axis("off")
plt.savefig("Surface normals.svg", bbox_inches="tight", transparent=True)
plt.show()

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current01:16, 12 February 2016Thumbnail for version as of 01:16, 12 February 2016575 × 449 (237 KB)NicoguaroUser created page with UploadWizard
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

Metadata