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What about the f_helix2 "isosurface by function" in the drop-down POV-Ray Insert
Menu?
I'm constantly amazed by how much good stuff is in there that I overlook or
forget is there!
isosurface { //-------------------------------------------------------------
function{
f_helix2(
x,y,z,
0, // not used,
12, // period, turns on the length of 2*pi
0.38, // minor radius,
0.50, // major radius,
0, // not used,
0.5, // cross section type, (0.0 to 1.0 = square ... rounded to circle
// over 2.0 to 3.0 = rounded to diamond and
concave diamond
0 // cross section rotation angle
)
}
contained_by {box {<-1,-1,-1>,<1,1,1>}}
max_gradient 8
texture{ pigment{ color rgb <1,1,1>*1.1}
finish { specular 0.4 phong 0.7 }
}
scale 0.9
rotate<0,0,0>
translate< 0,1.2,0>
} // end of isosurface -------------------------------------------------------
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Download '55 - isosurface f_helix2.jpg' (6 KB)
Preview of image '55 - isosurface f_helix2.jpg'
![55 - isosurface f_helix2.jpg](/povray.binaries.images/attachment/%3Cweb.544bada09c4150c45e7df57c0%40news.povray.org%3E/55%20-%20isosurface%20f_helix2.jpg?preview=1)
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