File:Riemann sphere1.jpg
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Summary
| Description |
Sphère de Riemann, démonstration de la projection English: rendering of the graph of the Sphere of Rieman |
| Source | Own work. Merci à Friedrich A. Lohmüller pour sa bibliothèque POV. |
| Author | Jean-Christophe BENOIST |
//------------------------------------------------------------------------
#version 3.6;
global_settings { assumed_gamma 1 }
//------------------------------------------------------------------------
#include "colors.inc"
#include "textures.inc"
#include "glass.inc"
#include "metals.inc"
#include "golds.inc"
#include "stones.inc"
#include "woods.inc"
#include "shapes.inc"
#include "shapes2.inc"
#include "functions.inc"
#include "math.inc"
#include "transforms.inc"
//------------------------------------------------------------------------
#declare Camera_0 = camera { // xy-view
angle 20
location <8.0 , 8.0 ,-24.0>
right x*image_width/image_height
look_at <1 , 0 , 0>
}
#declare Camera_1 = camera { // diagonal view
angle 9
location <15.0 ,15 ,-60.0>
right x*image_width/image_height
look_at <1 , 0 , 0>
}
#declare Camera_2 = camera { // yz-view
angle 20
location <31.0 , 7.0 ,1.0>
right x*image_width/image_height
look_at <0 , 0 , 0>
}
#declare Camera_3 = camera {
angle 20
location < 0.0 , 37.5 ,-0.0001>
right x*image_width/image_height
look_at <0 , 0 , 0>
}
camera{Camera_0}
//------------------------------------------------------------------------
// sun -------------------------------------------------------------------
light_source{<3000,5500,-1000> color White }
// sky -------------------------------------------------------------------
sky_sphere{ pigment{ gradient <0,1,0>
color_map{ [0 color rgb<1,1,1> ]//White
[0.4 color rgb<1,1,1>] //~Navy
[0.6 color rgb<1,1,1>] //<0.14,0.14,0.56>]//~Navy
[1.0 color rgb<1,1,1> ]//White
}
scale 2 }
} // end of sky_sphere
//------------------------------------------------------------------------
//------------------------------ the Axes --------------------------------
//------------------------------------------------------------------------
#macro Axis_( AxisLen, Dark_Texture,Light_Texture)
union{
cylinder { <0,-AxisLen-3,0>,<0,AxisLen,0>,0.017
texture{checker texture{Dark_Texture }
texture{Light_Texture}
translate<0.1,0,0.1>}
}
cone{<0,AxisLen,0>,0.1,<0,AxisLen+0.3,0>,0
texture{Dark_Texture}
}
} // end of union
#end // of macro "Axis()"
//------------------------------------------------------------------------
#macro AxisXYZ( AxisLenX, AxisLenY, AxisLenZ, Tex_Dark, Tex_Light)
//--------------------- drawing of 3 Axes --------------------------------
union{
#if (AxisLenX != 0)
object { Axis_(AxisLenX, Tex_Dark, Tex_Light) rotate< 0,0,-90>}// x-Axis
text { ttf "arial.ttf", " ", 0.15, 0 texture{Tex_Dark}
scale 0.5 translate <AxisLenX+0.05,0.4,-0.10>}
#end // of #if
#if (AxisLenY != 0)
object { Axis_(AxisLenY, Tex_Dark, Tex_Light) rotate< 0,0, 0>}// y-Axis
text { ttf "arial.ttf", "z", 0.15, 0 texture{Tex_Dark}
scale 0.5 translate <-0.55,AxisLenY+0.20,-0.10>}
#end // of #if
#if (AxisLenZ != 0)
object { Axis_(AxisLenZ, Tex_Dark, Tex_Light) rotate<90,0, 0>}// z-Axis
text { ttf "arial.ttf", " ", 0.15, 0 texture{Tex_Dark}
scale 0.5 translate <-0.55,0.1,AxisLenZ+0.10>}
#end // of #if
} // end of union
#end// of macro "AxisXYZ( ... )"
//------------------------------------------------------------------------
#declare Texture_A_Dark = texture {
pigment{color rgb<0.5,0.5,0.5>}
finish {ambient 0.15 diffuse 0.85 phong 1}
}
#declare Texture_A_Light = texture {
pigment{color rgb<1,1,1>}
finish {ambient 0.15 diffuse 0.85 phong 1}
}
object{ AxisXYZ( 25.0, 0, 25.0, Texture_A_Dark, Texture_A_Dark)} // <<<<<<<<<<<<<<<<< adapt the axes here !!!
#declare TextScale=0.5;
//-------------------------------------------------- end of coordinate axes
// ground -----------------------------------------------------------------
//---------------------------------<<< settings of squered plane dimensions
#declare RasterScale = 2.0/2;
#declare RasterHalfLine = 0.03/4;
#declare RasterHalfLineZ = 0.03/2;
//-------------------------------------------------------------------------
#macro Raster(RScale, HLine)
pigment{ gradient x scale RScale
color_map{[0.000 color rgbt<1,1,1,1>*0.2]
[0+HLine color rgbt<1,1,1,1>*0.2]
[0+HLine color rgbt<1,1,1,1>]
[1-HLine color rgbt<1,1,1,1>]
[1-HLine color rgbt<1,1,1,1>*0.2]
[1.000 color rgbt<1,1,1,1>*0.2]} }
finish { ambient 0.15 diffuse 0.85}
#end// of Raster(RScale, HLine)-macro
//-------------------------------------------------------------------------
plane { <0,1,0>, 0 // plane with layered textures
texture { pigment{color rgbt<1,1,1,0.7>*1.1}
finish {ambient 0.45 diffuse 0.85}}
texture { Raster(RasterScale,RasterHalfLine ) rotate<0,0,0> }
texture { Raster(RasterScale,RasterHalfLineZ) rotate<0,90,0>}
rotate<0,0,0>
no_shadow
}
//------------------------------------------------ end of squered plane XZ
//
//------------------------------------------------------------------------------------
#include "analytical_g.inc"
//--------------------------------------------------------------------------
//---------------------------- objects in scene ----------------------------
//--------------------------------------------------------------------------
#default{ finish {ambient 0.15 diffuse 0.85} } //
//-----------------------------------------------------------------------------------
#declare Rl = 0.035; // radius of lines - Radius der Strecken
#declare Rp = 0.06; // radius of points - Radius der Punkte
//------------------------------------------------------------------------------------
// -----------------------------------------------------------------------------------
// -----------------------------------------------------------------------------------
// --------------------- Punti e Vettori - Punkte und Vektoren - Points and Vectors
//------------------------------------------------------------------------------------
#declare M1 = < 0, 0.0,0.0>;
#declare R1 = 3;
#declare M2 = < 0.0,0.0, 0.0>;
#declare Rx = 3.00;
#declare Ry = 1.00;
#declare Rz = 2.00;
#declare P1 = < 3, 0, 0>;
#declare Pi = < 0, 0, 3>;
#declare PPinf = < 0, 3, 0>;
#declare PP0 = < 0, -3, 0>;
#declare P0 = <0,0,0>;
sphere{ P1, Rp pigment{color YellowGreen}}
text { ttf "arial.ttf", "1",0.1,0
scale TextScale rotate<0,0,0> translate P1+<0.2,0.1,-0.2> pigment{ color Red } no_shadow}
sphere{ Pi, Rp pigment{color YellowGreen}}
text { ttf "arial.ttf", "i",0.1,0
scale TextScale rotate<0,0,0> translate Pi+<-0.1,0.1,0.2> pigment{ color Red } no_shadow}
sphere{ PPinf, Rp pigment{color YellowGreen}}
text { ttf "Mathematica1.ttf", concat("R(",chr(165),")"),0.1,0
scale TextScale rotate<0,0,0> translate PPinf+<-0.1,0.1,0> pigment{ color Red } no_shadow}
sphere{ PP0, Rp pigment{color YellowGreen}}
text { ttf "Mathematica1.ttf", "R(0)",-0.1,0
scale TextScale rotate<0,0,0> translate PP0+<-0.1,0.1,0> pigment{ color Red } no_shadow}
sphere{ P0, Rp pigment{color YellowGreen}}
text { ttf "Mathematica1.ttf", "0",-0.1,0
scale TextScale rotate<0,0,0> translate P0+<-0.1,0.1,0> pigment{ color Red } no_shadow}
//object{ Show_Yxz( M1, Rl/2) pigment{ color Yellow }}
//object{ Show_Yxz( M2, Rl/2) pigment{ color Yellow }}
//------------------------------------------------------------------------------------
// --------------------------------------------------------------- Zeichnen ----------
// ---------------------------------------------------------------- Drawing ----------
#declare RSphere=
object {
sphere{ M1, R1 pigment{ color Yellow transmit 0.6 } finish {phong 0.3}}
}
#declare PPlan1 = <4.5,0,0>;
object{ Vector (PPinf, PPlan1, Rl)
pigment{color Red}}
sphere{ PPlan1, Rp pigment{color Green}}
object{ Show_Yxz( PPlan1, Rl/2)
pigment{ color Orange }}
text { ttf "arial.ttf", "A",0.1,0
scale TextScale rotate<0,0,0> translate PPlan1+<0.1,0.0,-0.4> pigment{ color Red } no_shadow}
// point of intersection
#declare Hit_the_Object = trace ( RSphere, PPinf, PPlan1 - PPinf );
sphere{ Hit_the_Object, Rp pigment{color Green}}
text { ttf "Mathematica1.ttf", "a=R(A)",0.1,0
scale TextScale rotate<0,0,0> translate Hit_the_Object+<0.2,0.0,-0.2> pigment{ color Red } no_shadow}
#declare PPlan2 = <-1.5,0,0>;
sphere{ PPlan2, Rp pigment{color Green}}
object{ Show_Yxz( PPlan2, Rl/2)
pigment{ color Orange }}
text { ttf "arial.ttf", "B",0.1,0
scale TextScale rotate<0,0,0> translate PPlan2+<0.3,0.0,-0.4> pigment{ color Red } no_shadow}
// point of intersection
#declare Hit_the_Object = trace ( RSphere, PPinf, PPlan2 - PPinf );
object{ Vector (PPinf, Hit_the_Object, Rl)
pigment{color Red}}
sphere{ Hit_the_Object, Rp pigment{color Green}}
text { ttf "Mathematica1.ttf", "b=R(B)",0.1,0
scale TextScale rotate<0,0,0> translate Hit_the_Object+<0.2,0.0,-0.2> pigment{ color Red } no_shadow}
object {RSphere}
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
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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. |
  
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
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| This licensing tag was added to this file as part of the GFDL licensing update. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:11, 4 June 2007 | | 1,280 × 1,024 (215 KB) | wikimediacommons>Jean-Christophe BENOIST | == Description == {{Information |Description=Sphère de Riemann, démonstration de la projection |Source=Oeuvre personnelle. Merci à Friedrich A. Lohmüller pour sa bibliothèque POV. |Date= |Author=[[:fr:User:Jean-Christophe BENOIST|Jean-Christophe BENO |
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