Converts an image to a scatter plot.

img-to-plot-and-csv.py

# CC-BY 2.0 by bgeron
from PIL import Image; import matplotlib.pyplot as plt, pandas as pd
a = Image.open("source.png")
b = Image.blend(a, Image.new(a.mode, a.size, "white"), .92).convert(mode="1")
df = pd.DataFrame(((x,-y) for x in range(b.width) for y in range(b.height) if not b.getpixel((x,y))), columns=("x","y"))
# Plot
df.plot.scatter(x=0, y=1, s=5, alpha=.5, c=["#111133"], figsize=(16,16)).set_aspect("equal")
# Save to CSV
df.to_csv(open("out.csv", "w"), index=False)

turn this data into a scatterplot graph

turn this data into a scatterplot graph

The script does something else: it converts an image to a table that will look like the image when scatter-plotted.