Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
For our exploration of drawing faux-digits, this function draws every possible combination that can be displayed on a standard digital clock. It saves each as a PNG.
import matplotlib.pyplot as plt
# Vertices of the digit, starting at the origin, moving clockwise
POINTS = {
"A": [0, 0],
"B": [0, 1],
"C": [0, 2],
"D": [1, 2],
"E": [1, 1],
"F": [1, 0],
}
# Lines of the digit, starting at the top
SEGMENTS = {
0: {
"p1": POINTS["C"],
"p2": POINTS["D"]
},
1: {
"p1": POINTS["C"],
"p2": POINTS["B"]
},
2: {
"p1": POINTS["D"],
"p2": POINTS["E"]
},
3: {
"p1": POINTS["B"],
"p2": POINTS["E"]
},
4: {
"p1": POINTS["B"],
"p2": POINTS["A"]
},
5: {
"p1": POINTS["E"],
"p2": POINTS["F"]
},
6: {
"p1": POINTS["A"],
"p2": POINTS["F"]
},
}
def draw_numeral(decimal_number):
fig, ax = plt.subplots()
binary_string = format(decimal_number, '07b')
for bit, ind in zip(binary_string, range(7)):
if int(bit):
draw_segment(ax, ind)
ax.set_xlim([-1, 2])
ax.set_ylim([-0.25, 2.25])
plt.axis('off')
plt.savefig(f"numerals/{binary_string}.png", transparent=True)
plt.clf()
def draw_segment(ax, line_number):
p1 = SEGMENTS[line_number]["p1"]
p2 = SEGMENTS[line_number]["p2"]
draw_line(ax, p1, p2)
def draw_line(ax, p1, p2):
x = [p1[0], p2[0]]
y = [p1[1], p2[1]]
ax.plot(x, y, color="red", linewidth=3.0)
if __name__ == "__main__":
for decimal_number in range(127):
draw_numeral(decimal_number + 1)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.