Thomas de Groot <tho### [at] degrootorg> wrote:
>
> Oooohhh!
>
> [drools]
>
> --
> Thomas


Simple - ...


// https://minimalsurfaces.blog/home/repository/spheres/prismatic-k-noids/

#version 3.7;

#declare RAD = 64;

global_settings {
        assumed_gamma 2.2
        max_trace_level 5
        noise_generator 2
        #if(RAD > 0)
                radiosity {
                        pretrace_start 0.08
                        pretrace_end 0.04/RAD
                        count 30*RAD
                        nearest_count min (20, RAD)
                        error_bound 2/RAD
                        low_error_factor 0.5
                        recursion_limit 1
                        gray_threshold 0
                        minimum_reuse 0.015
                        brightness 1
                        adc_bailout 0.005
                        normal on
                        media on
                }
        #end
}

#include "stdinc.inc"

#declare stereo = 0;
camera {
 location <0.6,0,-4>+stereo*<.1,0,0>
  right x*image_width/image_height
 angle 47
        look_at <-0.3,-0.18,0>
}

sphere {
        0, 1000
        pigment {
                image_map {
                        hdr "pisa.hdr"
//http://gl.ict.usc.edu/Data/HighResProbes/probes/pisa.hdr
                        gamma 2.2
                        map_type 1
                        interpolate 2
                }
        }
        finish {emission 8 diffuse 0}
        rotate <240,0,0>
        no_image
}

background {color White}

//______________________________________________________________________________

// normal from Jim Holsenback  compass final
http://news.povray.org/povray.binaries.images/thread/%3C4d6ae61a@news.povray.org%3E/?ttop=372340&toff=200
// everything else adapted from Tekno Frannansa  Metallic paint - v2
http://news.povray.org/povray.binaries.scene-files/message/%3C3ec17be0%241%40news.povray.org%3E/#%3C3ec17be0%241%40news
.povray.org%3E

#declare T1 =
material {
        texture {
         pigment {color srgb 0.1}
         finish {diffuse 0.8}
        }
        texture {
         pigment {color srgbt <1,1,1,1>}
         finish {
          diffuse 1
          ambient 0
          specular 0.9
          metallic
          roughness 0.005
                        brilliance 8
                        reflection {0, 0.09 falloff 15}
         }
         normal {facets coords 0.8 size 0.05}
        }
        texture {
         pigment {color srgbt 1}
         finish {
          diffuse 1
          ambient 0
          reflection {0.08, 0.5 fresnel on}
          conserve_energy
          specular 0.5
          roughness 0.001
         }
         normal {facets coords 0.05 size 0.05}
        }
 interior {ior 1.54}
 scale 0.3
}

plane {y, -0.9 material {T1} rotate x*-30}

//______________________________________________________________________________

#declare tr = 0.0;

#declare spherecolor = srgb <0.76,0.76,0.8>/4;
#declare rodcolor1 = srgb <0.82459,0.822353,0.70061>;
#declare rodcolor2 = srgb <0.823507,0.67435,0.564063>;

#declare RodFinish  =
finish {
        ambient 0
        diffuse 0.424433
        brilliance 16.992
        phong 0.482
        phong_size 66.886667
        specular 0.129467
        roughness 0.1203
        reflection {
                0.13, 0.34
                fresnel on
                falloff 1
                exponent 1
                metallic 0.5
        }
        conserve_energy
}

#declare SphereFinish =
finish {
        ambient 0
        diffuse 0.424433
        brilliance 16.992
        phong 0.482
        phong_size 66.886667
        specular 0.129467
        roughness 0.1203
        reflection {
                0.13, 0.34
                fresnel on
                falloff 1
                exponent 1
                metallic 0.5
        }
        conserve_energy
}

//______________________________________________________________________________

#declare mesh_texture1 =
texture {
        pigment {color srgb <1,0.6,0.2>*0.7}
        finish {
                ambient 0
                diffuse 0.1
                specular 3
                roughness 0.04
                reflection {0.5 metallic}
                metallic
                brilliance 1.5
        }
 normal {
  granite 0.07
  scale 0.002
 }
}

//______________________________________________________________________________

// material based on - Bill Hails  Textures.inc for Tea pic
http://news.povray.org/povray.binaries.scene-files/attachment/%3C4456112b%40news.povray.org%3E/us-ascii?ttop=393045&tof
f=300

#macro Porcelain (col)

#local P_Porcelain = pigment {color srgb col}

#local N_Porcelain =
normal {
 average
 normal_map {
  [1      bozo 0.633 scale 0.5]
  [1      bozo 0.633]
  [1      bozo 0.633 scale 2]
  [1      bumps 0.15
   warp {turbulence 1}
   scale 0.2
  ]
  [1      bumps 0.1
   warp {turbulence 0.5}
   scale 0.001
  ]
 }
}

#local F_Porcelain =
finish {
 ambient 0
 diffuse 0.62
 brilliance 0.8
 reflection {0.1, 0.3 fresnel on}
 conserve_energy
}

#local T_Porcelain =
texture {
 pigment {P_Porcelain}
 normal {N_Porcelain}
 finish {F_Porcelain}
}

#local I_Porcelain = interior {ior 1.53}

texture {
        T_Porcelain
        scale 0.5
}

#end

#declare mesh_texture2 = Porcelain (<0.2,1,1>)

//_____________________________________________________________________________

// thicknesses of spheres and rods

#declare scal = 1.1;

#declare linerad = 0.002/scal;
#declare sphererad = 2*linerad/scal;

// include generated file

#include "dummy.pov"
//https://www.dropbox.com/sh/gvoq3405ec2xlbb/AAA7u11nrDdchYAeR9Cu75R_a/n%3D3%2C%20b%3D0.8?dl=0&subfolder_nav_tracking=1


#declare fundpiece1 =
object {
        union {
         object {
                        MESHtriangles
          texture {mesh_texture2}
          interior_texture {mesh_texture1}
         }
         object {
                        MESHspheres
          pigment {spherecolor }
          finish {SphereFinish}
         }
         object {
                        MESHhorlines
          pigment {rodcolor1}
          finish {RodFinish}
         }
         object {
                        MESHverlines
          pigment {rodcolor2}
          finish {RodFinish}
         }
        }
}

object {
 object {fundpiece1}
 scale scal
 rotate <0,0,-90>
 rotate <-130,0,0>

}

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