File:Easement curve.svg

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Original file (SVG file, nominally 575 × 321 pixels, file size: 2 KB)

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Summary

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This diagram was created with SageMath.
Description
English: This is an example of a red easement (transition) curve between a blue straight line and a green circular arc. The circular arc is supposed to start at the end of the red easement curve. However, it is drawn as a full circle here.

Sage source code: 

var('t')
p = integral(taylor(cos(t^2),t, 0, 12), t)
q = integral(taylor(sin(t^2),t, 0, 12), t)
x1 = p.subs(t = 1)
y1 = q.subs(t = 1)
R = 0.5
x2 = x1 - R*sin(1.0)
y2 = y1 + R*cos(1.0)
r1 = parametric_plot([p, q], (t, 0, 1), color = 'red')
r2 = line([(-1.0, 0), (0,0)], rgbcolor = 'blue')
r3 = circle((x2, y2), R, rgbcolor = 'green')
show(r1 + r2 + r3, aspect_ratio = 1, axes=false)
Русский: Пример переходной кривой (красная) между прямой линией (синяя) и круговой кривой (зелёная).
Date (UTC)
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Vectorized. The original can be viewed here: Easement Curve.png: .

Licensing

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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 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.

Original upload log

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This image is a derivative work of the following images:

  • File:Easement_Curve.png licensed with Cc-by-3.0
    • 2009-08-15T11:58:48Z Ling Kah Jai 600x326 (9782 Bytes) color change
    • 2009-08-15T11:17:32Z Ling Kah Jai 600x326 (9792 Bytes) {{Information |Description={{en|1=This is an example of an blue easement (transition) curve between a red straight line and a green circular arc. The circular arc is supposed to start at the end of the blue easement curve. Ho

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File history

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Date/TimeThumbnailDimensionsUserComment
current23:26, 15 May 2017Thumbnail for version as of 23:26, 15 May 2017575 × 321 (2 KB)Dingens5 (talk | contribs)fix white background (sorry, didn't spot that locally in firefox)
23:20, 15 May 2017Thumbnail for version as of 23:20, 15 May 2017575 × 321 (2 KB)Dingens5 (talk | contribs)code cleanup (no visible changes)
23:13, 15 May 2017Thumbnail for version as of 23:13, 15 May 2017575 × 321 (3 KB)Dingens5 (talk | contribs)make lines a little thicker for better visibility at small scales
00:27, 9 January 2012Thumbnail for version as of 00:27, 9 January 2012575 × 321 (3 KB)InverseHypercube (talk | contribs)== {{int:filedesc}} == {{Created with Sage}} {{Information |Description={{en|1=This is an example of a red easement (transition) curve between a blue straight line and a green circular arc. The circular arc is supposed to start at the end of the red easem

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