File:One million dots 1080p.png
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![File:One million dots 1080p.png](https://upload.wikimedia.org/wikipedia/commons/thumb/5/51/One_million_dots_1080p.png/800px-One_million_dots_1080p.png?20170828230545)
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Original file (1,920 × 1,080 pixels, file size: 8 KB, MIME type: image/png)
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Summary
[edit]DescriptionOne million dots 1080p.png |
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
[edit]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)
|
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following licenses:
![w:en:Creative Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/7/79/CC_some_rights_reserved.svg/90px-CC_some_rights_reserved.svg.png)
![attribution](https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Cc-by_new_white.svg/24px-Cc-by_new_white.svg.png)
![share alike](https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Cc-sa_white.svg/24px-Cc-sa_white.svg.png)
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.
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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.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:05, 28 August 2017 | ![]() | 1,920 × 1,080 (8 KB) | Cmglee (talk | contribs) | {{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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Horizontal resolution | 28.34 dpc |
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Vertical resolution | 28.34 dpc |