Imatge:Toroid core.png

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I, the copyright holder of this work, hereby publish it under the following licenses: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation license". Aragon??s | ?????????????? | Asturianu | ?????????????????? | ??????????????? | ???????????? ?????????/??????????????????????????????????????? ????????????????????? | Brezhoneg | Bosanski | Catal?? | Cebuano | ??esky | Dansk | Deutsch | ???????????????? | English | Esperanto | Espa??ol | Eesti | Euskara | ?????????? | Suomi | Fran??ais | Gaeilge | Galego | ?????????? | Hrvatski | Magyar | Bahasa Indonesia | Ido | ??slenska | Italiano | ????????? | ????????????????????? | ??????????????????????????? | ????????? | Kurd?? / ?????????? | Latina | L??tzebuergesch | Lietuvi?? | Bahasa Melayu | Nnapulitano | Nederlands | ???Norsk (nynorsk)??? | ???Norsk (bokm??l)??? | Occitan | Polski | Portugu??s | Rom??n?? | ?????????????? | Sloven??ina | Sloven????ina | Shqip | ???????????? / Srpski | Svenska | ?????????????????? | ????????? | T??rk??e | ???????????????????? | ???????? | Ti???ng Vi???t | Volap??k | Yor??b?? | ?????????(????????????)??? | ?????????(??????)??? | +/- This file is licensed under the Creative Commons Attribution ShareAlike license versions 2.5, 2.0, and 1.0 ?????????????? | ?????????????????? | Catal?? | ??esky | Dansk | Deutsch | English | Espa??ol | Euskara | ?????????? | Fran??ais | ?????????? | Italiano | ????????? | ????????? | Lietuvi?? | Nederlands | Polski | Portugu??s | ?????????????? | Svenska | ??????????????? | T??rk??e | ?????? | ?????? | +/- You may select the license of your choice.

Made using povray 3.6, with the following source:

#declare RAD = on ;
#include "colors.inc"

global_settings {
  #if(RAD)
    radiosity {
      brightness 0.60 
      count 100
      error_bound 0.2
      gray_threshold 0.0
      low_error_factor 0.2
      minimum_reuse 0.015
      nearest_count 10
      recursion_limit 1
      #if (version>3.1)
        adc_bailout 0.01
        max_sample -1.0
        media off
        normal off
        always_sample 1
        pretrace_start 0.08
        pretrace_end 0.01
      #end
    }
  #end
}

background { color White }

lathe { 
  bezier_spline
  32
  <1.2,0>,<1.3,0>,<1.7,0>,<1.8,0>,
  <1.8,0>,<1.9,0>,<2,0.1>,<2,0.2>,
  <2,0.2>,<2,0.3>,<2,1.2>,<2,1.3>,
  <2,1.3>,<2,1.4>,<1.9,1.5>,<1.8,1.5>,
  <1.8,1.5>,<1.9,1.5>,<1.3,1.5>,<1.2,1.5>,
  <1.2,1.5>,<1.1,1.5>,<1,1.4>,<1,1.3>,
  <1,1.3>,<1,1.2>,<1,0.3>,<1,0.2>,
  <1,0.2>,<1,0.1>,<1.1,0>,<1.2,0>
  rotate <-10,0, 0>
  finish {
    #if(RAD) 
      ambient 0
      diffuse 0.7 
    #else
      ambient 0.2 
      diffuse 0.5      
    #end   
    phong 1
    phong_size 60
  } 
  pigment { Gray } 
}
light_source { <2, 4, -3> color White}
camera {location <1,8,-15> look_at <0,0.55,0> angle 16 }

Les seg??ents p??gines enllacen a aquesta imatge:

• Nucli magn??tic