xarrayfrac

A dynamic generative mandelbrot custom backend for xarray

pip install xarrayfrac

import numpy as np
import xarray as xr
from matplotlib import pyplot as plt

# request a 10 billion pixel lazy xarray fractal
ds = xr.open_dataset(None, engine="xarrayfrac", resolution=100000, chunks={"x": 2000, "y": 2000})
# sample 1 in every 10000 pixels
sampled = ds.frac.isel(x=slice(0, 100000, 100), y=slice(0, 100000, 100))
# compute and display
plt.imshow(sampled)

# request a 10 billion pixel lazy xarray fractal
ds = xr.open_dataset(None, engine="xarrayfrac", resolution=100000, chunks={"x": 2000, "y": 2000})
# zoom 
window = ds.sel(x=slice(-0.1, 0.1), y=slice(0.9, 1.0))
# plot every hundredth pixel of the window
plt.imshow(window.frac[::10, ::10])