MAKE A MEME
View Large Image
| View Original: | Body centered cubic 35 balls.svg (360x320) | |||
| Download: | Original | Medium | Small | Thumb |
| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Body centered cubic 35 balls.svg en 35 balls forming eight unit cells of the body-centered cubic lattice 2013-12-04 17 50 14 own David Eppstein cc-zero Source code This image was created as an SVG file by the following source code <source lang python > from PADS import SVG from math import sqrt tan asin import sys layers 2 n layers 3 + layers + 1 3 def ccube x y z return x 1 y 1 dims range -layers layers+1 rdims range layers -layers-1 -1 points x y z for x in rdims for y in dims for z in dims if x 1 y 1 z 1 pov -20 -3 7 6 5 x y z 2 1 0 radius 0 65 scale 1000 0 def distance p q return sqrt sum pi-qi 2 for i in x y z def perspective loc dz locz-povz return locx-povx scale/dz locy-povy scale/dz bbox 360+320j output SVG SVG bbox sys stdout output element defs 1 output element 'radialGradient id light cx 50 cy 50 fx 70 fy 15 r 55 ' 1 output element 'stop stop-color rgb 255 255 255 offset 0 ' output element 'stop stop-color rgb 200 200 240 offset 15 ' output element 'stop stop-color rgb 0 0 180 offset 100 ' output element radialGradient -1 output element defs -1 def vertex p lx ly perspective p lx + 520 ly - 40 prad scale 1 1 tan asin radius/ distance p pov output circle lx+ly 1j prad fill SVG colors blue output circle lx+ly 1j prad fill url light for p in points vertex p output close </source> Uploaded with UploadWizard Body-centered cubic lattices | ||||
