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| Keywords: Carbon nanoribbon povray.PNG see name File // File pov // Vers 3 6 // Desc Basic Scene Example // Date mm/dd/yy // Auth // version 3 6; include colors inc global_settings assumed_gamma 2 1 // used in global_settings sets an overall brightness/ambient light level in the scene ambient_light color rgb <1 1 1>/10 // ---------------------------------------- camera location <+0 3 0 5 -4 0> // -0 2 0 0 +0 2 // -0 3 -0 1 +0 1 +0 3 direction 1 5 z right x image_width/image_height look_at <0 0 0 0 0 0> sky_sphere pigment gradient y color_map 0 0 rgb <0 6 0 7 1 0> 0 7 rgb <0 0 0 1 0 8> light_source <-50 40 -60> // light's position translated below color rgb <0 0 0> // light's color light_source <50 40 -60> // light's position translated below color rgb <0 0 0> // light's color light_source <0 190 -60> // light's position translated below color rgb <0 0 0> // light's color // ---------------------------------------- plane y -1 3 pigment color rgb <0 0 0> declare ba 15; declare bb 15; //6 9 15 declare b1 max ba bb ; declare s sqrt 3 /2; //tube armchair declare bb bb+6; //6 9 15 declare r bb-6 /pi; macro ab2y b a sin a/r r end macro ab2x b a b end macro ab2z b a -r end / //rim armchair declare r bb-6 /pi 3; macro ab2y b a end macro ab2x b a b end macro ab2z b a -r end / / //ribbon macro ab2x a b a end macro ab2y a b b end macro ab2z a b 0 end / / //rim zizag declare r ba s /pi 3; macro ab2x a b sin a/r r end macro ab2y a b b end macro ab2z a b -r end / / //tube zizag declare ba ba+2; declare r ba s /pi; macro ab2x a b sin a/r r end macro ab2y a b b end macro ab2z a b -r end / union declare m -b1; while m < b1 declare n -b1; while n < b1 // declare BallCount 0; // while BallCount < 2 pi declare a0 n 2+m s ; declare b0 m 1 5 ; if a0<ba a0>-ba b0<bb b0>-bb union if b0>-bb+2 sphere < ab2x a0 b0 ab2y a0 b0 ab2z a0 b0 > 0 5 end if b0<bb-2 b0>-bb+2 cylinder < ab2x a0 b0 ab2y a0 b0 ab2z a0 b0 > < ab2x a0 b0+1 ab2y a0 b0+1 ab2z a0 b0+1 > 0 35 end if b0<bb-2 sphere < ab2x a0 b0+1 ab2y a0 b0+1 ab2z a0 b0+1 > 0 5 if a0+s<ba cylinder < ab2x a0 b0+1 ab2y a0 b0+1 ab2z a0 b0+1 > < ab2x a0+s b0+1 5 ab2y a0+s b0+1 5 ab2z a0+s b0+1 5 > 0 35 end if a0-s>-ba cylinder < ab2x a0 b0+1 ab2y a0 b0+1 ab2z a0 b0+1 > < ab2x a0-s b0+1 5 ab2y a0-s b0+1 5 ab2z a0-s b0+1 5 > 0 35 end end end // rotate <0 BallCount 60 0> // rotate <0 BallCount 60-30 0> // declare BallCount BallCount+pi/3; // increment our counter // end declare n n+1; // increment our counter end declare m m+1; // increment our counter end texture pigment color rgb <0 0 0> 0 7 finish specular 0 6 scale 0 08 //2 // translate 0 4 z rotate <90 45 0> rotate <-20 0 0> // translate z </pre> Graphene Created with Persistence of Vision | ||||
