摘要

描述Regular polygon 17 annotated.svg	English: Regular heptadecagon with annotation.
日期	2013年7月19日, 12:24:37
来源	自己的作品
作者	László Németh
其他版本	Regular 3-gon Regular 4-gon Regular 5-gon Regular 6-gon Regular 7-gon Regular 8-gon Regular 9-gon Regular 10-gon Regular 11-gon Regular 12-gon Regular 13-gon Regular 14-gon Regular 15-gon Regular 16-gon Regular 17-gon Regular 18-gon Regular 19-gon Regular 20-gon
SVG开发 InfoField	该SVG的源代码为有效代码。 本矢量图使用OpenOffice.org创作。

; Created in LibreOffice 4 with this LibreLogo program.; Usage: Copy it in an English language document in LibO Writer,; and click on the Start icon of the View»Toolbar»Logo toolbar.TO superior num prevnum  s = “”  FOR i IN STR num [    s = s + “⁰¹²³⁴⁵⁶⁷⁸⁹”[INT i]  ]  IF NOT prevnum % 10 = 1 [ s = “ ” + s ] ; narrow space  OUTPUT sENDTO inferior num  s = “”  FOR i IN STR num [    s = s + “₀₁₂₃₄₅₆₇₈₉”[INT i]  ]  OUTPUT sENDCLEARSCREEN HIDETURTLE FONTSIZE 18 FONTFAMILY “DejaVu Sans”FOR vertices IN [7, 11, 13, 14, 16, 17, 19] [;    PICTURE “poly/regular_polygon_%d_annotated.svg” % vertices [ ; from LibO 4.1.1    PICTURE [        HOME FILLCOLOR “WHITE” PENCOLOR “SILVER”         PENDOWN PENSIZE 2 CIRCLE 400        β = 360/vertices        q = vertices // 4        CIRCLE [80 + vertices * 14, 80 + vertices * 14, β * q, β * (q + 1)]        FONTCOLOR “SILVER”        IF vertices > 18 [ f = 0.004 ] [ f = 0.005 ]        HEADING β * q + β * 0.5 PENUP        FORWARD (80 + vertices * 14) * (0.3 + (f * vertices))        HEADING 0        s1 = superior (360 % vertices, 360 // vertices)        s2 = inferior vertices        LABEL “%d%s⁄%s°” % (β, s1, s2)        HOME HEADING 0 PENDOWN        dots = []        REPEAT vertices [                FORWARD 200                where = POSITION                dots = dots + [where]                BACK 200 RIGHT β        ]        HOME PENSIZE 2 CIRCLE 10        PENCOLOR “BLACK” FONTCOLOR “BLACK”        α = ((vertices-2)/vertices)*180        PENUP FORWARD 200 PENDOWN        CIRCLE [100 + 105/vertices, 100 + 105/vertices, 180 – α/2, 180 + α/2]        s1 = superior ((vertices-2) * 180 % vertices, INT α)        PENUP BACK 20 + 70/vertices LABEL “%d%s⁄%s°” %  (α, s1, s2)        HOME PENUP PENSIZE 4 PENUP        FOR i IN dots + dots[0:1] [ POSITION i PENDOWN ] PENSIZE 2        FOR i IN dots [ PENUP POSITION i PENDOWN CIRCLE 10 ]    ]]

许可协议

László Németh，本作品著作权人，特此采用以下许可协议发表本作品：

	本作品采用知识共享CC0 1.0 通用公有领域贡献许可协议授权。
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