File:VFPt image charge plane horizontal.svg
Original file (SVG file, nominally 600 × 500 pixels, file size: 15 KB)
Captions
Summary
[edit]DescriptionVFPt image charge plane horizontal.svg |
English: Field of a positive electric charge in front of a perfectly conducting horizontal metal surface. The field outside the metal can be constructed using an image charge behind the metal surface. |
Date | |
Source | Own work |
Author | Geek3 |
Other versions | |
SVG development InfoField | This plot was created with VectorFieldPlot. |
Source code InfoField | Python code# paste this code at the end of VectorFieldPlot 1.0
doc = FieldplotDocument('VFPt_image_charge_plane_horizontal', width=600, height=500, center=[300,300], commons=True)
field = Field({'monopoles':[[0,0,1]]}); doc.draw_charges(field, scale=1.5)
field = Field({'monopoles':[[0,0,1], [0,-3,-1]]})
n = 22
Fs = ig.quad(lambda phi: sc.dot(rot([0,1], phi), field.F(rot([0,1.5], phi))), 0, 2*pi)[0]
for i in range(n):
a = float(i) / n
phi = op.brentq(lambda phi1: ig.quad(lambda phi: sc.dot(rot([0,1], phi),
field.F(rot([0,1.5], phi))), 0, phi1)[0] - a * Fs, 0, 2*pi)
line = FieldLine(field, rot([0,1.5], phi), maxr=10, directions='both', bounds_func=lambda p: -p[1]-1.5)
doc.draw_line(line, arrows_style={'max_arrows':1, 'offsets':[0.7,0.3,0.3,0.7], 'scale':1.35})
doc.draw_object('rect', {'x':-3.02,'y':-2.02,'width':6.04,'height':0.515,
'style':'fill:#bbb; stroke:#000; stroke-width:0.03'})
doc.write()
|
Licensing
[edit]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.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
- 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.
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 12:02, 25 February 2020 | 600 × 500 (15 KB) | Geek3 (talk | contribs) | I appreciate the effort. However 15kB is already tiny and efficient, and with straight line segments the image is simple and fast to render. The Bezier version has visible deviations from the accurate original and the charge gradient got messed up. | |
15:50, 20 February 2020 | 600 × 500 (2 KB) | Jarvisa (talk | contribs) | Simplified SVG source | ||
19:33, 14 June 2010 | 600 × 500 (15 KB) | Geek3 (talk | contribs) | VFPt_image_charge_plane_horizontal |
You cannot overwrite this file.
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Short title | VFPt_image_charge_plane_horizontal |
---|---|
Image title | VFPt_image_charge_plane_horizontal
created with VectorFieldPlot 1.1 http://commons.wikimedia.org/wiki/User:Geek3/VectorFieldPlot about: http://commons.wikimedia.org/wiki/File:VFPt_image_charge_plane_horizontal.svg rights: GNU Free Documentation license, Creative Commons Attribution ShareAlike license |
Width | 600 |
Height | 500 |