File:Achernar and surrounding gas disk or ring.png
Original file (2,400 × 1,600 pixels, file size: 547 KB, MIME type: image/png)
Captions
Captions
Summary[edit]
| Description |
English: Achernar itself is flattened to ratio ca. 1:1.55 because of rapid rotation. Star has surrounding gaseous disk or ring. |
| Date | |
| Source | Own work |
| Author | Merikanto |
bash script
povray suna4.pov -w2400 -h1600 +A +J
Povray 3.7 src
#include "functions.inc"
- declare White= rgb <1,1,1>;
- declare Black =rgb <0,0,0>;
- declare Blue=rgb <0.3,0.3,1>;
- declare WhiteBlue=rgb <0.5,0.5,1>;
- declare WhiteWhiteBlue=rgb <0.825,0.825,1>;
- declare LightBlue=rgb <0.5,0.5,1>;
- declare DarkBlue=rgb <0,0,0.25>;
camera {
location <0,0,-300>
look_at <0,0,0>
angle 10
}
- declare blue_granulas = pigment {
//granite
crackle
turbulence 0.9
color_map {
[0.0 color Blue]
[0.15 color WhiteBlue]
[0.25 color WhiteWhiteBlue]
[1.0 color White]
}
scale 0.05
// warp{turbulence 0.1}
};
- declare blue_spots = pigment {
//granite
bozo
turbulence 0.5
color_map {
[0.0 color Black]
[0.55 color DarkBlue]
[1.0 color Blue]
}
//scale 0.15
scale 1
};
- declare blue_sun_surf =pigment
{
// dents
granite
turbulence 0.23
scale 1
pigment_map {
[0.0 blue_granulas scale 1]
[0.8 blue_granulas scale 0.5]
[0.85 blue_spots]
[1.0 blue_spots]
}
};
- declare blue_sun1=sphere{
<0,0,0>, 1
texture{
pigment{
// mapps an image on the xy plane
// from <0,0,0> to <1,1,0>
// (aspect ratio 1:1)
// uv_mapping
blue_sun_surf
// rotate y*90
} // end of image_map, end of pigment
finish {
ambient 11
}// end of finish
// scale 2 translate<-1,-1,0>
}
// end of texture
} ;
- declare blue_kromos1=difference
{
sphere {0,1.025}
sphere {0,1.0001}
pigment { color rgbf 1 }
hollow
interior {
media {
emission 5
method 2
intervals 1
samples 5, 5
density {
spherical
color_map {
[ 0.0 rgbf <0,0,0.1,1> ]
// [ 0.0 rgbf <0,0,0.1,1> ]
[ 0.3 rgbf <0.0, 0.0, 0.25,1> ]
[ 0.6 rgbf <0.0, 0.0, 0.5,1> ]
[ 1.0 rgbf <0.0, 0.0, 1.0,1> ]
}
}
}
media {
absorption 3
method 1
intervals 1
samples 5, 5
density {
spherical
color_map {
[ 0.0 rgb 1.0 ]
[ 0.1 rgb 1.0 ]
[ 1.0 rgb 1.0 ]
}
}
}
}
};
- declare blue_korona1=object
{
sphere {0,1}
//sphere {0,098}
pigment { color rgbf 1 }
hollow
interior {
media {
emission 0.05
method 3
intervals 1
samples 5, 5
density {
spherical
// wrinkles
turbulence 0.1
color_map {
[ 0.0 rgbf <0.001,0.001,0.02,1>]
[ 0.25 rgbf <0.15, 0.15, 0.25,0.85> ]
[ 0.3 rgbf <0.4, 0.4, 0.6,0.6> ]
[ 1.0 rgbf <1.0, 1.0, 1.0,0.0> ]
}
}
}
}
};
/*
- /
- declare disk1= object {
isosurface {
function { f_torus(x, y, z, 1.6, 0.4) }
contained_by { box { -2000, 2000 } }
/*
texture {
pigment {rgb 1}
finish {ambient 1}
}
*/
pigment { color rgbf 1 }
hollow
interior {
media {
emission 30
method 3
intervals 1
samples 5, 5
density {
// granite
spherical
// wrinkles
turbulence 0.1
scale 0.1
color_map {
[ 0.0 rgbf <0.001,0.001,0.05,1>]
[ 0.25 rgbf <0.5, 0.5, 0.5,1> ]
[ 0.5 rgbf <1.0, 1.0, 1.0,1> ]
[ 1.0 rgbf <2.0, 2.0, 2.0,1.0> ]
}
}
} // media
media {
absorption 0.25
method 3
intervals 1
samples 5, 5
} // media
} // int
} // ...objektii
};
- declare blue_star1=union {
object {
blue_sun1
}
object {
blue_kromos1
}
object {
blue_korona1
scale 1.25
}
object {
disk1
scale <1,0.5,1>
}
//object { disk1 scale <1.2,0.5,1.2> }
//object {disk1 scale <1.5,0.5,1.5> }
}
object {
blue_star1
scale 8
scale <1.55,1,1.55>
rotate x*15
rotate y*15
rotate z*10
}
Licensing[edit]
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:56, 5 June 2019 | | 2,400 × 1,600 (547 KB) | Merikanto (talk | contribs) | User created page with UploadWizard |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
