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import numpy
import scipy.integrate as integrate

def get_disk_mask(N):
    def F(x):
        return (1 - x ** 2) ** .5

    # Build a quarter
    M = N // 2
    quarter = numpy.zeros((M, M))

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def get_z_line_triangles_intersections_generator(triangles):
    # Precompute everything that is independent from the ray origin
    Z = numpy.array([0., 0., 1.])

    tri_AB = triangles[:, 1] - triangles[:, 0]
    tri_AC = triangles[:, 2] - triangles[:, 0]
    tri_H = numpy.cross(Z, tri_AC)
    tri_a = numpy.sum(tri_AB * tri_H, axis = 1) # dot product along axis 0
            
    # Remove all triangles on a plane parallel to the ray

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import numpy


def zyx_to_quaternion(z_angle, y_angle, x_angle):
    cos_x, sin_x = numpy.cos(x_angle / 2), numpy.sin(x_angle / 2)
    cos_y, sin_y = numpy.cos(y_angle / 2), numpy.sin(y_angle / 2)
    cos_z, sin_z = numpy.cos(z_angle / 2), numpy.sin(z_angle / 2)
    
    return numpy.array([
        cos_x * cos_y * cos_z - sin_x * sin_y * sin_z,

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base16_rgb_map = {  
  "base00"  : (0x15, 0x15, 0x15), # Default Background
  "base01"  : (0x20, 0x20, 0x20), # Lighter Background (Used for status bars, line number and folding marks)
  "base02"  : (0x30, 0x30, 0x30), # Selection Background
  "base03"  : (0x50, 0x50, 0x50), # Comments, Invisibles, Line Highlighting
  "base04"  : (0xb0, 0xb0, 0xb0), # Dark Foreground (Used for status bars)
  "base05"  : (0xd0, 0xd0, 0xd0), # Default Foreground, Caret, Delimiters, Operators
  "base06"  : (0xe0, 0xe0, 0xe0), # Light Foreground (Not often used)
  "base07"  : (0xf5, 0xf5, 0xf5), # Light Background (Not often used)
  "base08"  : (0xac, 0x41, 0x42), # Variables, XML Tags, Markup Link Text, Markup Lists, Diff Deleted

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nord_rgb_map = {  
  "nord0"  : (0x2e, 0x34, 0x40), # dark 1 (darkest) 
  "nord1"  : (0x3b, 0x42, 0x52), # dark 2
  "nord2"  : (0x43, 0x4c, 0x5e), # dark 3
  "nord3"  : (0x4c, 0x56, 0x6a), # dark 4
  "nord4"  : (0xd8, 0xde, 0xe9), # bright 1
  "nord5"  : (0xe5, 0xe9, 0xf0), # bright 2
  "nord6"  : (0xec, 0xef, 0xf4), # bright 3 (brightest)
  "nord7"  : (0x8f, 0xbc, 0xbb), # blue 1 (closest to green)
  "nord8"  : (0x88, 0xc0, 0xd0), # blue 2

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solarized_rgb_map = {
  "base03"  : (0x00, 0x2b, 0x36),
  "base02"  : (0x07, 0x36, 0x42),
  "base01"  : (0x58, 0x6e, 0x75),
  "base00"  : (0x65, 0x7b, 0x83),
  "base0"   : (0x83, 0x94, 0x96),
  "base1"   : (0x93, 0xa1, 0xa1),
  "base2"   : (0xee, 0xe8, 0xd5),
  "base3"   : (0xfd, 0xf6, 0xe3),
  "yellow"  : (0xb5, 0x89, 0x00),

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#!/bin/sh

ETH_IT=enp3s0
WLAN_IT=wlan0

is_eth_used=$(cat /sys/class/net/${ETH_IT}/carrier)
is_wlan_used=$(cat /sys/class/net/${WLAN_IT}/carrier)

if  [ "$is_eth_used" -eq 1 ]; then    # wired network is carrying
  icon="" #uF6FF

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#!/bin/sh

is_ac_powered=$(cat /sys/class/power_supply/AC0/online)
batt_capacity=$(cat /sys/class/power_supply/BAT0/capacity)

if [ "$is_ac_powered" -eq 1 ]; then
  icon="" #uF1E6
else
  if [ "$batt_capacity" -gt 80 ]; then
    icon="" #uF240 

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#!/bin/sh

icon=""
mem_str=$(free -h | awk '/^Mem/ { print $3 "/" $2 }' | sed s/i//g)

echo $icon $mem_str

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Circle intersection with (many) (oriented) lines with optimal runtime complexity

This code sample demonstrates how to compute the intersection with a circle of radius 1, and many oriented lines. Technically, oriented lines are equivalent to half-planes.

The function circle_line_intersection is doing all the work. The lines are specified as the 3 parameters of a 2d line equation, ax + by + c = 0. The function returns a list of pairs of points : the extremities of each arcs in counterclock wise order.