Fix imgur link since they are going to delete all anonymous images (https://meta.stackexchange.com/questions/388556/imgur-tos-change-on-may-15th-2023-could-cause-the-loss-of-thousands-of-stack-exc)

Source Link

edited May 4, 2023 at 13:54

mousetail

14.4k
1
42
91

Python

plasma

Using python to sort the colors by luminance, generating a luminance pattern and picking the most appropriate color. The pixels are iterated in random order so that the less favorable luminance matches that naturally happen when the list of available colors gets smaller are evenly spread throughout the picture.

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

Python

plasma

Using python to sort the colors by luminance, generating a luminance pattern and picking the most appropriate color. The pixels are iterated in random order so that the less favorable luminance matches that naturally happen when the list of available colors gets smaller are evenly spread throughout the picture.

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

Python

plasma

Using python to sort the colors by luminance, generating a luminance pattern and picking the most appropriate color. The pixels are iterated in random order so that the less favorable luminance matches that naturally happen when the list of available colors gets smaller are evenly spread throughout the picture.

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

Commonmark migration

Source Link

edited Jun 17, 2020 at 9:04

Community Bot

1

#Python

Python

plasma

Using python to sort the colors by luminance, generating a luminance pattern and picking the most appropriate color. The pixels are iterated in random order so that the less favorable luminance matches that naturally happen when the list of available colors gets smaller are evenly spread throughout the picture.

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

#Python

plasma

Using python to sort the colors by luminance, generating a luminance pattern and picking the most appropriate color. The pixels are iterated in random order so that the less favorable luminance matches that naturally happen when the list of available colors gets smaller are evenly spread throughout the picture.

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

Python

plasma

Using python to sort the colors by luminance, generating a luminance pattern and picking the most appropriate color. The pixels are iterated in random order so that the less favorable luminance matches that naturally happen when the list of available colors gets smaller are evenly spread throughout the picture.

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

Added language name

Source Link

edit approved Mar 9, 2014 at 21:09

A.L

1.4k
1
15
30

#Python

plasma

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

plasma

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

#Python

plasma

#!/usr/bin/env python

from PIL import Image
from math import pi, sin, cos
import random

WIDTH = 256
HEIGHT = 128

img = Image.new("RGB", (WIDTH, HEIGHT))

colors = [(x >> 10, (x >> 5) & 31, x & 31) for x in range(32768)]
colors = [(x[0] << 3, x[1] << 3, x[2] << 3) for x in colors]
colors.sort(key=lambda x: x[0] * 0.2126 + x[1] * 0.7152 + x[2] * 0.0722)

def get_pixel(lum):
    for i in range(len(colors)):
        c = colors[i]
        if c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722 > lum:
            break
    return colors.pop(i)

def plasma(x, y):
    x -= WIDTH / 2
    p = sin(pi * x / (32 + 10 * sin(y * pi / 32)))
    p *= cos(pi * y / 64)
    return 128 + 127 * p

xy = []
for x in range(WIDTH):
    for y in range(HEIGHT):
        xy.append((x, y))
random.shuffle(xy)

count = 0
for x, y in xy:
    l = int(plasma(x, y))
    img.putpixel((x, y), get_pixel(plasma(x, y)))
    count += 1
    if not count & 255:
        print "%d pixels rendered" % count

img.save("test.png")

Source Link

answered Mar 9, 2014 at 13:36

boomlinde

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