Wikipedia

File:VFPt image charge plane horizontal.svg

Oreeginal file ‎(SVG file, nominallie 600 × 500 pixels, file size: 15 KB)

This file is fae Wikimedia Commons n micht be uised bi ither waurks. The descreeption oan its file descreeption page thaur is shawn ablo.

Ootline

Descreeption
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
Soorce Ain wirk
Author Geek3
Other versions
SVG genesis
InfoField
 
The SVG code is valid.
 
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()

Licensin

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GNU head Permission is grantit tae copy, distribute an/or modify this document unner the terms o the GNU Free Documentation License, Version 1.2 or ony later version published bi the Free Software Foundation; wi no Invariant Sections, no Front-Cover Texts, an no Back-Cover Texts. A copy o the license is includit in the section enteetled GNU Free Documentation License.
w:en:Creative Commons
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  • tae share – tae copy, distribute an transmit the wirk
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Captions

Add a one-line explanation of what this file represents
Image of a proton from which the electric field lines are emerging.

Items portrayed in this file

depicts

Internet media type

image/svg+xml

File history

Clap oan ae date/time fer tae see the file aes it kithed at that time.

Date/TimeThummnailDimensionsUiserComment
current12:02, 25 Februar 2020Thumbnail fer version aes o 12:02, 25 Februar 2020600 × 500 (15 KB)Geek3I 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 Februar 2020Thumbnail fer version aes o 15:50, 20 Februar 2020600 × 500 (2 KB)JarvisaSimplified SVG source
19:33, 14 Juin 2010Thumbnail fer version aes o 19:33, 14 Juin 2010600 × 500 (15 KB)Geek3VFPt_image_charge_plane_horizontal

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