A F.R

Khài-iàu

Soat-bêngUnit circle.svg	English: An illustration of the unit circle for the article Unit circle.
Ji̍t-kî	2006年2-goe̍h18日 (上傳日期)
Chhut-chhù	Ka-tī chò--ê
Chok-chiá	Gustavb
SVG開發 InfoField	本SVG檔案的原始碼通過W3C驗證。   本向量圖形使用Other tools創作。   The file size of this SVG mathematical image may be irrationally large because its text has been converted to paths inhibiting translations.

Siū-khoân

由於本圖像只屬於簡單的幾何圖形，而構成其形狀的資訊皆屬公有財產和不存在原始創作人，因此著作權不適用於此並歸公有領域所有。

Source

Created by Gustavb using Eukleides.

Unit_circle.euk (Eukleides source)

box(-1.3, -1.3, 1.6, 1.6, 1.4)

% Axis
X1 = point(-1.7, 0); X2 = point(1.4, 0)
Y1 = point(0, -1.7); Y2 = point(0, 1.4)
thickness(1)
draw(segment(X1,X2), full, arrow); draw(segment(Y1,Y2), full, arrow)
thickness(1.6)

O = point(0,0);  % origo

% Unit circle
C = circle(O, 1)

% Angle
phi interactive(58, -3, 0, 360, "", right)
P = point(C, phi:) 

draw(C); draw(P); draw(O,P)

% Angle mark
tricks "psset{linewidth=.5pt,arrowsize=3pt}"
mark(X2,O,P,arrow,.5)

% Draw labels
draw("$t$",O,.35,.5*phi:)
draw("$y$",Y2,.15,-30:); draw("$x$",X2,.15,-130:)

PS-tricks source

\psset{linecolor=black, linewidth=.5pt, arrowsize=2pt 4}
\psset{unit=1.4000cm}
\pspicture*(-1.3000,-1.3000)(1.6000,1.6000)
\psset{linewidth=0.5000pt}
\psline{->}(-1.7000,0.0000)(1.4000,0.0000)
\psline{->}(0.0000,-1.7000)(0.0000,1.4000)
\psset{linewidth=0.8000pt}
\pscircle(0.0000,0.0000){1.0000}
\psdots[dotstyle=*, dotscale=1.0000](0.5299,0.8480)
\psline(0.0000,0.0000)(0.5299,0.8480)
\psset{linewidth=.5pt,arrowsize=3pt}
\psarc{->}(0.0000,0.0000){0.2500}{0.0000}{58.0000}
\uput{0.3500}[29.0000](0.0000,0.0000){$t$}
\uput{0.1000}[58.0000](0.5299,0.8480){$(\cos t,\sin t)$}
\uput{0.1500}[-30.0000](0.0000,1.4000){$y$}
\uput{0.1500}[-130.0000](1.4000,0.0000){$x$}
\endpspicture

Instructions

1. Create EPS
   

   $ euk2eps Unit_circle.euk

2. Outline fonts
   

   $ eps2eps -dNOCACHE Unit_circle.eps Unit_circle2.eps

3. Fix bounding box
   

   $ ps2epsi Unit_circle2.eps Unit_circle.eps

4. Convert to Sketch
   

   $ pstoedit -f sk Unit_circle.eps Unit_circle.sk

5. Convert to SVG
   

   $ skconvert Unit_circle.sk Unit_circle.svg

6. Fix Unit_circle.svg with Inkscape
7. create EPS br pre $euk2EPS Unit_circle.euk pre
8. outline fonts