Fichier d’origine(1 800 × 1 500 pixels, taille du fichier : 467 kio, type MIME : image/png)

Ce fichier et sa description proviennent de Wikimedia Commons.

Povray logo sphere 
Cette infographie a été créée avec POV-Ray.

Description

Description
English: A granny knot.
Date
Source Travail personnel
Auteur Jim.belk
Autres versions File:Blue Square Knot.png

Conditions d’utilisation

Public domain Moi, propriétaire des droits d’auteur sur cette œuvre, la place dans le domaine public. Ceci s'applique dans le monde entier.
Dans certains pays, ceci peut ne pas être possible ; dans ce cas :
J’accorde à toute personne le droit d’utiliser cette œuvre dans n’importe quel but, sans aucune condition, sauf celles requises par la loi.

Source

This image was created using POV-Ray for Windows, version 3.6. The image was rendered to an 1800 x 1500 rectangle, using 0.3 anti-aliasing.

#include "colors.inc"

background { color White }

global_settings { assumed_gamma 1.0}

camera
  {
  location <0, 0, -25>
  right <1,0,0> up <0,15/18,0>
  look_at  <0, 0, 0>
  angle 5
  }


light_source
  {
  <0, 20, -50>
  color White
  area_light <5, 0, 0>, <0, 5, 0>, 10, 10  /* very slow, decrease 10 to 2 for experiments */
  adaptive 3
  }


#declare r_tube = 0.07;  // thickness (radius) of tube

sphere_sweep
  {
  cubic_spline 59,
  <-0.746128,-0.289449,-0.190238>, r_tube
  <-0.85005,-0.183882,-0.0867797>, r_tube
  <-0.892772,-0.0468425,0.0217547>, r_tube
  <-0.883997,0.101404,0.121022>, r_tube
  <-0.82717,0.24539,0.206972>, r_tube
  <-0.718298,0.366103,0.272602>, r_tube
  <-0.562866,0.439467,0.300291>, r_tube
  <-0.391177,0.448861,0.267145>, r_tube
  <-0.253547,0.400387,0.159989>, r_tube
  <-0.199786,0.316533,-0.00462659>, r_tube
  <-0.255263,0.206367,-0.155686>, r_tube
  <-0.384567,0.07304,-0.194808>, r_tube
  <-0.480952,-0.0742081,-0.0973547>, r_tube
  <-0.474019,-0.233185,0.0341719>, r_tube
  <-0.383484,-0.38776,0.0974391>, r_tube
  <-0.250102,-0.509893,0.0818578>, r_tube
  <-0.10035,-0.584368,0.0153141>, r_tube
  <0.057614,-0.605503,-0.0672328>, r_tube
  <0.219994,-0.568716,-0.13237>, r_tube
  <0.368803,-0.471572,-0.152564>, r_tube
  <0.466889,-0.32341,-0.113906>, r_tube
  <0.473175,-0.151819,-0.02835>, r_tube
  <0.377944,0.0103216,0.0401625>, r_tube
  <0.250383,0.154617,0.0059625>, r_tube
  <0.195848,0.292261,-0.12292>, r_tube
  <0.2529,0.424561,-0.248667>, r_tube
  <0.390277,0.531703,-0.299503>, r_tube
  <0.556608,0.583706,-0.266428>, r_tube
  <0.707203,0.564468,-0.177202>, r_tube
  <0.816314,0.480178,-0.0684844>, r_tube
  <0.878273,0.350761,0.0321047>, r_tube
  <0.898945,0.19769,0.114061>, r_tube
  <0.882464,0.0374763,0.180689>, r_tube
  <0.82388,-0.1153972,0.237769>, r_tube
  <0.715247,-0.241721,0.281855>, r_tube
  <0.561642,-0.318136,0.295945>, r_tube
  <0.392414,-0.32985,0.256753>, r_tube
  <0.254377,-0.284175,0.149667>, r_tube
  <0.193036,-0.203724,-0.0132047>, r_tube
  <0.233648,-0.0959206,-0.17062>, r_tube
  <0.349355,0.041006,-0.234281>, r_tube
  <0.448987,0.193275,-0.168117>, r_tube
  <0.452137,0.347456,-0.036464>, r_tube
  <0.363277,0.495464,0.0572766>, r_tube
  <0.227391,0.619509,0.0689063>, r_tube
  <0.0734344,0.698695,0.0167765>, r_tube
  <-0.0873281,0.720112,-0.0603844>, r_tube
  <-0.248991,0.677109,-0.121345>, r_tube
  <-0.390811,0.570656,-0.132736>, r_tube
  <-0.47257,0.415743,-0.0807469>, r_tube
  <-0.454486,0.241664,0.0126141>, r_tube
  <-0.344784,0.07439,0.0572063>, r_tube
  <-0.248977,-0.080466,-0.020925>, r_tube
  <-0.270717,-0.216788,-0.161058>, r_tube
  <-0.404845,-0.311175,-0.254236>, r_tube
  <-0.585436,-0.337782,-0.258202>, r_tube
  <-0.746128,-0.289449,-0.190238>, r_tube
  <-0.85005,-0.183882,-0.0867797>, r_tube
  <-0.892772,-0.0468425,0.0217547>, r_tube
  pigment { color rgb <0,0.25,1> }
  finish          
    {
    ambient 0.15
    diffuse 0.85
    brilliance 2
    phong 0.25
    phong_size 7.5
    }
  }

plane
  {
  <0,0,-1>, -0.33
  pigment { color White }
  finish
    {
    ambient 0.35
    diffuse 0.65
    }
  }

Légendes

Ajoutez en une ligne la description de ce que représente ce fichier

Éléments décrits dans ce fichier

dépeint

image/png

66a79f16d0c598e85a62ca5e8ebf342d578c6629

478 599 octet

1 500 pixel

1 800 pixel

Historique du fichier

Cliquer sur une date et heure pour voir le fichier tel qu'il était à ce moment-là.

Date et heureVignetteDimensionsUtilisateurCommentaire
actuel5 juillet 2015 à 20:11Vignette pour la version du 5 juillet 2015 à 20:111 800 × 1 500 (467 kio)CmdrjamesonCompressed with pngout. Reduced by 516kB (52% decrease).
23 mars 2010 à 10:10Vignette pour la version du 23 mars 2010 à 10:101 800 × 1 500 (984 kio)Jim.belk{{Information |Description={{en|1=A granny knot.}} |Source={{own}} |Author=Jim.belk |Date=2010-03-22 |Permission= |other_versions= }} Category:Knots (knot theory) Category:Images including source code in their description

La page suivante utilise ce fichier :

Usage global du fichier

Les autres wikis suivants utilisent ce fichier :