File:Regular polygon 19 annotated.svg

Buod[baguhin]

PaglalarawanRegular polygon 19 annotated.svg	English: Regular enneadecagon with annotation.
Petsa	19 Hulyo 2013, 12:24:44
Pinanggalingan	Sariling gawa
May-akda	László Németh
Iba pang mga bersyon	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 genesis InfoField	The SVG code is valid.   This geometry was created with OpenOffice.org.

; 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 s
END

TO inferior num
  s = “”
  FOR i IN STR num [
    s = s + “₀₁₂₃₄₅₆₇₈₉”[INT i]
  ]
  OUTPUT s
END

CLEARSCREEN 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 ]
    ]
]

Paglilisensiya[baguhin]

Si László Németh, na may karapatang-ari ng akdang ito, ang naglalathala nito alinsunod sa ilalim ng sumusunod na lisensya:

Ang talaksang ito ay ginawang makukuha sa ilalim ng Dedikasyon ng Pandaigdigang Saklaw ng Madla CC0 1.0 ng Creative Commons.

Ang taong nag-ugnay ng isang akda sa kasulatang ito ay inilaan ang akda sa Commons sa saklaw ng madla na isinusukong pangbuong-mundo ang lahat ng kanyang mga karapatan sa akda sa ilalim ng batas sa karapatang-ari, kasama ang lahat ng kaugnay at karatig na mga karapatan, hanggang sa naaabot ng batas. Maaari mong kopyahin, baguhin, ipamahagi at isagawa ang akda, kahit na para sa mga layunin pangkalakal, lahat-lahat na hindi nangangailangan ng pahintulot. http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse