Langbahn Team – Weltmeisterschaft

File:One million dots 1080p.png

Original file (1,920 × 1,080 pixels, file size: 8 KB, MIME type: image/png)

Summary

Description
English: Full HD visualisation of exactly one million black dots (pixels) in 100 groups of 10000. For comparison, each tile with white or grey background contains 1000 black dots.
Source Own work
Author Cmglee

Python source code

one_million_dots_1080p.py
import png

def draw_pixel(pixels, width, x, y, rrggbb):
 offset_r  = (width * y + x) * 3
 pixels[offset_r    ] = int(rrggbb[-6:-4], 16)
 pixels[offset_r + 1] = int(rrggbb[-4:-2], 16)
 pixels[offset_r + 2] = int(rrggbb[-2:  ], 16)

width_1k    = 19
height_1k   = 106
width_10k   = 10 * width_1k
height_1m   = 1080
width_1m    = 1920
excludess   = [(18,0),(18,2),(18,4),(18,6),(18,100),(18,102),(18,104)]
skips       = [2,1,2,1,2, 4, 2,1,2,1,2]
skip_cumuls = [sum(skips[:i + 1]) for i in range(len(skips))]
out_pixels  = [248 for i in range(width_1m * height_1m * 3)]
height_1k_minus_1 = height_1k - 1
width_1k_minus_1  = width_1k  - 1
for x_1m in range(10):
 print(x_1m)
 for y_1m in range(10):
  for x_10k in range(10):
   is_x_1m_multiple_of_2  = x_1m  % 2 == 0
   is_x_10k_multiple_of_2 = x_10k % 2 == 0
   is_checker_grey        = (x_10k + y_1m) % 2 == 0
   for y_1k in range(height_1k):
    for x_1k in range(width_1k):
     x = x_1k if (not is_x_1m_multiple_of_2) else width_1k_minus_1  - x_1k
     y = y_1k if (is_x_10k_multiple_of_2   ) else height_1k_minus_1 - y_1k
     draw_pixel(out_pixels, width_1m,
                x_1m * width_10k + skip_cumuls[x_1m] + x_10k * width_1k + x,
                y_1m * height_1k + skip_cumuls[y_1m]                    + y,
                '#000000' if ((x_1k + y_1k) % 2 == 0 and (x_1k, y_1k) not in excludess) else
                ('#eeeeee' if (is_checker_grey) else '#ffffff'))
f_out = png.Writer(width=width_1m, height=height_1m, alpha=False)
f_out.write_array(open('%s.png' % (__file__[:__file__.rfind('.')]), 'wb'), out_pixels)

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w:en:Creative Commons
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GNU head 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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Wikimedia username: Cmglee
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Date/TimeThumbnailDimensionsUserComment
current23:05, 28 August 2017Thumbnail for version as of 23:05, 28 August 20171,920 × 1,080 (8 KB)Cmglee{{Information |Description ={{en|1=Full HD visualisation of exactly one million black dots (pixels) in 100 groups of 10000. For comparison, each tile with white or grey background contains 1000 black dots. }} |Source ={{own}} |Author...

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