File:Smiley mini Mandelbrot set with external rays.png
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Original file (2,000 × 1,000 pixels, file size: 2.46 MB, MIME type: image/png)
Summary
| Description |
English: Part of Mandelbrot set : Smily Kaleidoscope. This is zoom into this great image by Duncan Champney [1] |
| Date | |
| Source | Made with c program[2] by Claude Heiland-Allen[3] |
| Author | Adam majewski |
Summary
size 2000 1000 view 54 -1.74920463345912691e+00 -2.8684660237361114e-04 2.158333333333333e-12 ray_in 2000 .(10010010010010010010010010010010010010010010001101101101101101101101101101101101101101101101101101101101101101101101101101101101101101) text 63 -1.7492046334590113301e+00 -2.8684660234660531403e-04 134 text 62 -1.7492046334594190961e+00 -2.8684660260955536656e-04 268 ray_in 2000 .(10010010010010010010010010010010010010010001110010010010010010010010010010010010010010010010010010010010010010010010010010010010010010)
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- 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.
Bash src code
This is bash file for book program[4] by Claude Heiland-Allen[5]
#!/bin/bash
#
re="-1.74920463345912691e+00 "
im="-2.8684660237361114e-04"
r="2.158333333333333e-12"
view="$re $im $r"
# escape radius
er="512"
# filename stem
stem="smiley"
# image size in pixels
w="2000"
h="1000"
# maximum iterations
n="65536"
# interior rendering
i="1"
# ray depth
d="8192"
# render background image
./render $view "$er" "$stem" "$w" "$h" "$n" "$i" && ./colour "$stem" > "$stem.ppm"
# compute rays in parallel
./ray_in ".(10010010010010010010010010010010010010010010001101101101101101101101101101101101101101101101101101101101101101101101101101101101101101)" $d > "$stem-ray1.txt" &
./ray_in ".(10010010010010010010010010010010010010010001110010010010010010010010010010010010010010010010010010010010010010010010010010010010010010)" $d > "$stem-ray2.txt" &
wait
# annotate background with rays and labels
./annotate "$stem.ppm" "$stem.png" <<EOF
rgba 1 1 1 1
line cat "$stem-ray1.txt" | ./rescale 100 53 $view 0
line cat "$stem-ray2.txt" | ./rescale 100 53 $view 0
text `echo '-1.7492046334590113301e+00 -2.8684660234660531403e-04 ' | ./rescale 100 53 $view 0` 134
text `echo '-1.7492046334594190961e+00 -2.8684660260955536656e-04' | ./rescale 100 53 $view 0` 268
EOF
Text output
time ./examples/smily-kaleidoscope.sh ./render using MPFR<55> rgba 1.000000 1.000000 1.000000 1.000000 line cat "smiley-ray1.txt" | ./rescale 100 53 -1.74920463345912691e+00 -2.8684660237361114e-04 2.158333333333333e-12 0 line cat "smiley-ray2.txt" | ./rescale 100 53 -1.74920463345912691e+00 -2.8684660237361114e-04 2.158333333333333e-12 0 text 0.053551 0.012512 134 text -0.135376 -0.109318 268 real 11m3.402s user 50m8.773s sys 0m2.087s
References
- ↑ Smily Kaleidoscope : great image by Duncan Champney
- ↑ c program by Claude Heiland-Allen
- ↑ Claude Heiland-Allen - blog
- ↑ book program
- ↑ Claude Heiland-Allen
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:57, 3 December 2014 | | 2,000 × 1,000 (2.46 MB) | wikimediacommons>Soul windsurfer | User created page with UploadWizard |
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