File:VFPt charges plus minus thumb.svg

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Oreeginal file ‎(SVG file, nominallie 220 × 165 pixels, file size: 18 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 and a negative point charge. Thumbnail version
Date
Soorce Ain wirk
Author Geek3
Other versions

VFPt charges plus minus.svg (full size version)

VFPt_charges_plus_minus_thumb_potential.svg (with electric potential)
SVG genesis
InfoField
 
The SVG code is valid.
 
This vector image was created with Inkscape, or with something else.

Quality image

This image has been assessed using the Quality image guidelines and is considered a Quality image.

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Source code
InfoField

SVG code

# paste this code at the end of VectorFieldPlot 2.5
doc = FieldplotDocument('VFPt_charges_plus_minus_thumb',
    width=220, height=165, unit=30., commons=True)
field = Field([['monopole', {'x':-1, 'y':0, 'Q':1}],
    ['monopole', {'x':1, 'y':0, 'Q':-1}]])
doc.draw_charges(field, scale=11./14.)
n = 16
for i in range(n):
    a = 2.0 * pi * (0.5 + i) / n
    if abs(i - (n-1)/2.) > 6:
        fix = {'start':False, 'leave_image':False, 'enter_image':False, 'end':False}
    else:
        fix = {'start':True, 'leave_image':False, 'enter_image':False, 'end':True}
    line = FieldLine(field, [-1,0], start_v=[cos(a), sin(a)],
        directions='forward')
    doc.draw_line(line, linewidth=1.0, arrows_style={
        'dist':1.6, 'min_arrows':1, 'offsets':
        {'start':.65,'leave_image':.5,'enter_image':.5,'end':.65},
        'fixed_ends':fix, 'scale':1.4})
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
attribution share alik
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Ye are free:
  • tae share – tae copy, distribute an transmit the wirk
  • tae remix – tae adapt the wirk
Unner the follaein condeetions:
  • attribution – Ye must attribute the wirk in the manner specified bi the author or licensor (but nae in ony way that suggests that thay endorse ye or yer uise o the wirk).
  • share alik – If ye alter, transform, or big upon this wirk, ye mey distribute the resultin wirk anly unner the same or seemilar license tae this ane.
Ye mey select the license o yer choice.

Captions

Add a one-line explanation of what this file represents
Electric field of two opposite charges

Items portrayed in this file

depicts

dipole

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
current19:12, 14 Mairch 2020Thumbnail fer version aes o 19:12, 14 Mairch 2020220 × 165 (18 KB)Geek3I appreciate the compression. However, 18kB savings in the source code are no relevant advantage. The original image has a clear internal structure for simple reusability. It contains useful meta information. The approximation of lines by straight segments is the most simple one, and it is more precise than the "simplified" version with Beziers. Note e.g. that the arrows should be centered on each line.
19:41, 21 Februar 2020Thumbnail fer version aes o 19:41, 21 Februar 2020220 × 165 (3 KB)JarvisaSimplified SVG source
22:43, 7 September 2019Thumbnail fer version aes o 22:43, 7 September 2019220 × 165 (21 KB)Geek3validator fix
20:24, 6 Juin 2010Thumbnail fer version aes o 20:24, 6 Juin 2010220 × 165 (21 KB)Geek3VFPt_charges_plus_minus_thumb

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