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Diffstat (limited to 'Documentation/figures/4S+2D.pov')
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diff --git a/Documentation/figures/4S+2D.pov b/Documentation/figures/4S+2D.pov new file mode 100644 index 0000000..29df710 --- /dev/null +++ b/Documentation/figures/4S+2D.pov @@ -0,0 +1,187 @@ +#include "colors.inc" // The include files contain +#include "textures.inc" // pre-defined scene elements +#include "glass.inc" +#include "metals.inc" +#include "skies.inc" +#include "shapes.inc" +#include "bravais.inc" +#include "arrows.inc" + +// les vecteurs du cristal +#declare a = <1,0,0>; +#declare b = <.31,.95,0>; +#declare c = <.4,.5,0.76>; + +#declare camera_location = 5 * (x+y+z); +#declare camera_look_at = <0,0,0>; + +background { color DarkGreen } + +// all setup +camera { + orthographic + location camera_location + look_at camera_look_at +} + +light_source { + <10, 10, 0> + color White + parallel + point_at <0, 0, 0> + shadowless +} +light_source { + <-10, 10, 10> + color White + parallel + point_at <0, 0, 0> + shadowless +} +light_source { + <-10, 10, -10> + color White + parallel + point_at <0, 0, 0> + shadowless +} + +plane { <0,1,0>, -3 pigment {color LightWood*.9} } +cylinder{<0,0,-10>,<0,0,10>, .01 pigment {color Grey}} +cylinder{<0,-10,0>,<0,10,0>, .01 pigment {color Grey}} +cylinder{<-10,0,0>,<10,0,0>, .01 pigment {color Grey}} + +#macro support(hauteur, rayon, sens1, sens2, couleur) + #local Alpha = .1; + #local dx = Alpha * rayon; + #local dz = rayon * sqrt(Alpha*(2-Alpha)); + union{ + union{ + cylinder{<0,-hauteur,0>,<0,-hauteur+.5,0>, rayon} + box{<-rayon+dx,-hauteur,-dz>,<-rayon+dx+.1,0,+dz>} + cylinder{<-rayon+dx,0,0>, <-rayon+dx+.1, 0, 0>, dz} + pigment{color couleur} + } + #if (sens1 != 0) + object{ + arrow_circular(y,.9*rayon,.05, -270,270,sens1,couleur) + translate (-hauteur+.5)*y + } + #end + #if (sens2 != 0) + object{ + arrow_circular(x,.8*dz,.05, 0,90,sens2,couleur) + translate (-rayon+dx+.1)*x + } + #end + } +#end + +#macro bras_detecteur(longueur,rayon, sens, couleur) + #local Alpha = .1; + #local dx=Alpha*rayon; + #local dz=rayon*sqrt(Alpha*(2-Alpha)); + union{ + box{<-rayon+dx+.1,-dz,dz>,<-rayon+dx+.2,dz,-longueur>} + box{<-rayon+dx+.2,-dz,-longueur>,<0,dz,-longueur+.1>} + cylinder{<0,0,-longueur>,<0,0,-longueur+.1>,dz} + #if (sens != 0) + object{ + circular_arrow(x,.9*dz,.05, 0, 90,sens,couleur) + translate <-rayon+dx+.2,0,0> + } + #end + pigment{color couleur} + } +#end + +#macro cercle_chi(rayon, sens, couleur) + #local Alpha = .1; + #local dx = Alpha * rayon; + #local dz = rayon * sqrt(Alpha*(2-Alpha)); + union{ + difference{ + cylinder{<0,0,-dz/2.>, <0,0,dz/2.>, rayon-dx-.1} + cylinder{<0,0,-10.>, <0,0,10.>, .9*(rayon-dx-.1)} + pigment{color Cyan} + } + #if (sens != 0) + object{ + arrow_circular(z,.7*(rayon-dx-.1),.05, 10, 280,sens,couleur) + } + #end + } +#end + +#macro porte_echantillon(rayon, sens, couleur) + #local Alpha = .1; + #local dx = Alpha * rayon; + #local dz = rayon * sqrt(Alpha*(2-Alpha)); + union{ + cylinder{<-.95*(rayon-dx-.1), 0, 0>, <-.8*(rayon-dx-.1), 0,0>, dz/2.} + box{<-.8*(rayon-dx-.1), -dz/2., -dz/2.>, <-.8*(rayon-dx-.1)+.1,dz/2., dz/2.>} + #if (sens != 0) + object{ + arrow_circular(x,.3*dz,.05, 0, 90,sens,couleur) + translate (-.8*(rayon-dx-.1)+.1)*x + } + #end + pigment{color couleur} + } +#end + +#macro diffractometre(gamma, delta, mu, eta, chi, phi, sens) + #local hauteur = 3; + #local rayon_support_bras_detecteur = 2; + #local longueur_bras_detecteur = 3; + #local rayon_support_diffractometre = 1.5; + + // Axes de rotation du detecteur. + #local vgamma = y; + #local vdelta = vaxis_rotate(x, vgamma, -gamma); + + // Axes de rotations du diffractometre. + #local vmu = y; + #local veta = vaxis_rotate(x, vmu, -mu); + #local vchi = vaxis_rotate(vaxis_rotate(z, vmu, -mu), veta, eta); + #local vphi = vaxis_rotate(vaxis_rotate(vaxis_rotate(x, vmu, -mu), veta, eta), vchi, chi); + + + //Detecteur + object{ + support(hauteur,rayon_support_bras_detecteur, -1*sens, 0*sens, Blue) + rotate -gamma*y + } + object{ + bras_detecteur(longueur_bras_detecteur,rayon_support_bras_detecteur, 1*sens, Red) + rotate delta*x + rotate -gamma*y + } + + //Diffractometre + object{ + support(hauteur-.5,rayon_support_diffractometre, -1*sens, 1*sens, Green) + rotate -mu*y + } + object{ + cercle_chi(rayon_support_diffractometre, 1*sens, Cyan) + rotate eta*x + rotate -mu*y + } + object{ + porte_echantillon(rayon_support_diffractometre, 1*sens, Yellow) + rotate phi*x + rotate chi*z + rotate eta*x + rotate -mu*y + } + + // Repère orthonormé de la ligne cristal de soleil. + object{ + repere_soleil + translate 7.5*z + no_shadow + } +#end + +diffractometre(0, 0, 0, 0, 0, 0, 0)
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