import numpy as np from bokeh.plotting import figure, output_file, show N = 500 x = np.linspace(0, 10, N) y = np.linspace(0, 10, N) xx, yy = np.meshgrid(x, y) d = np.sin(xx)*np.cos(yy) p = figure(tooltips=[("x", "$x"), ("y", "$y"), ("value", "@image")]) p.x_range.range_padding = p.y_range.range_padding = 0 # must give a vector of image data for image parameter p.image(image=[d], x=0, y=0, dw=10, dh=10, palette="Spectral11", level="image") p.grid.grid_line_width = 0.5 output_file("image.html", title="image.py example") show(p)