Color-Plotter/src/closest_colors.py
2020-06-08 16:34:39 +02:00

85 lines
2.1 KiB
Python

import requests
import json
from vector_utils import Vector as vec
from mpl_toolkits import mplot3d
import numpy as np
import matplotlib.pyplot as plt
import math
def get_content(url):
response = requests.get(url)
content = response.content.decode()
return content
def get_json(url):
content = get_content(url)
data = json.loads(content)
return data
def hex_to_rgb(s):
s = s.lstrip('#')
return [int(s[:2], 16), int(s[2:4], 16), int(s[4:6], 16)]
def parse_colors(data_set):
return dict((item['color'], hex_to_rgb(item['hex'])) for item in data_set['colors'])
def calculate_size(dist):
pass
def closest(colors, to, n):
closest_colors = ((c, vec.distance(to, c)) for c in colors.values())
return sorted(closest_colors, key=lambda c: c[1])[:n]
def plot_data(ax, values, colors, sizes):
xdata, ydata, zdata = zip(*values)
ax.scatter3D(xdata, ydata, zdata, c=colors /
255.0, s=sizes, depthshade=False)
def plot_closest(ax, colors, to):
distances = closest(colors, to, n=len(colors)//2)
max_distance = max(distances, key=lambda x: x[1])[1]
sizes = np.array(
list(map(lambda x: (math.log2(max_distance + 1) - math.log2(x[1] + 1))*100, distances)))
rgb_values = list(map(lambda x: x[0], distances))
plot_data(ax, rgb_values, np.array(rgb_values), sizes)
def init_projection(size=(13, 10)):
plt.figure(figsize=size, dpi=90)
ax = plt.axes(projection='3d')
ax.set_axis_off()
return ax
def print_colors(colors):
print("\n-----COLOR LIST-----")
for color in colors.keys():
print(color)
if __name__ == '__main__':
data_set_url = "https://raw.githubusercontent.com/dariusk/corpora/master/data/colors/xkcd.json"
data_set = get_json(data_set_url)
colors = parse_colors(data_set)
print_colors(colors)
color = input(
"\nEnter a color from the color list or just enter an hexadecimal value: ")
if color in colors:
color = colors[color]
else:
color = hex_to_rgb(color)
ax = init_projection()
plot_closest(ax, colors, color)
plt.show()