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

			global_settings {
			max_trace_level 64
			}

			camera {
			location <2,-40,30>
			sky z
			right -0.155ximage_width/image_height
			up 0.155*z
			look_at <0,0,0>
			}

			background{rgb 1}

			light_source{<-8,-20,30> color rgb <0.79,0.75,0.75>}
			light_source{<25,-12,12> color rgb <0.36,0.40,0.40>}

			#declare r=0.02;
			#declare s=0.2;

			union{
			#include "loops1_m.pov"
			pigment{rgb <0.9,0.6,0.3>} finish{reflection 0.185 specular 0.3 ambient 0.42}
			}

			union{
			#include "loops1_v.pov"
			pigment{rgb <0.9,0.4,0.45>} finish{specular 0.5 ambient 0.42}
			}

			union{
			#include "loops2_m.pov"
			pigment{rgb <0.5,0.65,0.75>} finish{reflection 0.185 specular 0.3 ambient 0.42}
			}

			union{
			#include "loops2_v.pov"
			pigment{rgb <0.42,0.42,0.75>} finish{specular 0.5 ambient 0.42}
			}

lammps/lib/voronoi/examples/interface/loops.pova6b7299ddc2befficient_neuronet