irregular.pov
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			#version 3.6;
			#include "colors.inc"
			#include "metals.inc"
			#include "textures.inc"

			camera {
			location <0,-50,15>
			sky z
			right -0.25ximage_width/image_height
			up 0.25*y
			look_at <0,0,0>
			}

			background{rgb 1}

			light_source{<-16,-30,30> color rgb <0.77,0.75,0.75>}
			light_source{<25,-16,8> color rgb <0.43,0.45,0.45>}

			#declare r=0.05;
			#declare s=0.5;

			#declare particles=union {
			#include "irregular_p.pov"
			pigment{rgb 0.9} finish{reflection 0.2 specular 0.25 ambient 0.28 metallic}
			}

			union{particles translate <-4,0,0>}
			union{particles translate <4,0,0>}

			union{
			#include "irregular_v.pov"
			translate <4,0,0>
			pigment{rgb <0.7,0.3,0.9>} finish{specular 0.5 ambient 0.42}
			}

lammps/lib/voronoi/examples/extra/irregular.pova6b7299ddc2blammm-master