How to plot a huge image out of memory?

[ahuang11]

Similar:

Larger than memory plotting: how to set initial slice to plot

Okay, I think this works import h5py import numpy as np import panel as pn import xarray as xr import holoviews as hv import dask.array as da from holoviews.operation.datashader import rasterize, shade hv.extension('bokeh', logo=False) f = h5py.File('data.h5', "r") full_data = da.from_array(f['data'], chunks=(60*60, 2401), name=False) da = xr.DataArray( full_data, dims=("x", "y"), coords={"x": np.arange(full_data.shape[0]), "y": np.arange(full_data.shape[1])}, ) class BigSpectrogr…