File:VFPt cylindrical magnets repelling.svg

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file ‎(SVG file, nominally 800 × 600 pixels, file size: 50 KB)

Captions

Captions

Add a one-line explanation of what this file represents

Summary[edit]

Description
English: Magnetic field of an two ideal cylindrical magnets with their axis of symmetry inside the image plane. Both magnets are aligned on their common axis in different directions, which creates an repelling force.
Date
Source Own work
Author Geek3
Other versions Field lines match the experimental field shape in .
SVG development
InfoField
 
The SVG code is valid.
 
This plot was created with VectorFieldPlot.
 
This file uses embedded text.
Source code
InfoField

Python code

# paste this code at the end of VectorFieldPlot 1.0
doc = FieldplotDocument('VFPt_cylindrical_magnets_repelling', commons=True)
field = Field({'coils':[[-1.5, 0, 0, 0.25, 0.75 ,1], [1.5, 0, 0., 0.25, 0.75 ,-1]]})
doc.draw_magnets(field)
n = 15
for i in range(n):
    for x0 in (-1.5, 1.5):
        a = -0.25 + 0.5 * (0.5 + i) / n
        if i in [5, 6, 8, 9]: d = 'backward'
        else: d = 'both'
        if i == n/2: of = [1.0, 0.5, 0.5, 0.2]
        else: of = [1.0, 0.5, 0.5, 1.0]
        line = FieldLine(field, [x0, a], directions=d, maxr=10.0)
        doc.draw_line(line, arrows_style={'dist':1.7, 'offsets':of})
for x0, y0 in ((-0.11, -1), (0.11, -1), (-0.11, 1), (0.11, 1)):
    line = FieldLine(field, [x0, y0], directions='both',
        maxr=10.0, bounds_func=lambda p: abs(p[0])-1.5)
    doc.draw_line(line, arrows_style={'dist':1.7, 'offsets':[0.5, 0.5, 0.8, 1.0]})
doc.write()

Licensing[edit]

I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported 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 give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
You may select the license of your choice.

File history

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

Date/TimeThumbnailDimensionsUserComment
current13:36, 14 August 2010Thumbnail for version as of 13:36, 14 August 2010800 × 600 (50 KB)Geek3 (talk | contribs)valid encoding
14:29, 5 June 2010Thumbnail for version as of 14:29, 5 June 2010800 × 600 (50 KB)Geek3 (talk | contribs)VFPt_cylindrical_magnets_repelling

You cannot overwrite this file.

File usage on other wikis

The following other wikis use this file:

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:VFPt_cylindrical_magnets_repelling.svg&oldid=648540733"