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Summary
English: Klein bottle made with gnuplot 4.0.
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled " GNU Free Documentation license".
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Gnuplot script
Save this script (slightly modified from ) to file "bottle" then run the command line "gnuplot bottle", you will get bottle.svg, if you have well installed gnuplot 4.0 or later.
x(u,v)= v<pi ? (2.5-1.5*cos(v))*cos(u): \
v<2*pi ? (2.5-1.5*cos(v))*cos(u):\
v<3*pi ? -2+(2+cos(u))*cos(v): -2+2*cos(v)-cos(u)
y(u,v)= v<pi ? (2.5-1.5*cos(v))*sin(u): \
v<2*pi ? (2.5-1.5*cos(v))*sin(u): \
v<3*pi ? sin(u): sin(u)
z(u,v)= v<pi ? -2.5*sin(v): v < 2*pi ? 3*v-3*pi:\
v<3*pi ? (2+cos(u))*sin(v)+3*pi: -3*v+12*pi
set parametric
set pm3d explicit
set pal rgb 9,9,3
unset colorbox
unset key
unset border
unset xtics
unset ytics
unset ztics
set hidden3d
set surface
set ticslevel 0
set size square
set view 60,210,1.5,1
set isosamples 18,48
set xrange[-8:10]
set yrange[-9:9]
set urange[0:2*pi]
set vrange[0:4*pi]
set term svg
set out "bottle.svg"
set multiplot
splot x(u,v),y(u,v),-z(u,v) w pm3d
splot x(u,v),y(u,v),-z(u,v) lt 4
unset multiplot
File history
Click on a date/time to view the file as it appeared at that time.
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Date/Time |
Dimensions |
User |
Comment |
| current |
05:26, 17 August 2007 |
250×480 (404 KB) |
Oleg Alexandrov |
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15:39, 18 July 2006 |
600×480 (271 KB) |
Tttrung |
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File links
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