get_png_metadata

class get_png_metadata(filename, output=False)

Read metadata from a PNG file. For use with images saved with hpv.savefig(). Requires pillow, an optional dependency. Metadata retrieval for PDF and SVG is not currently supported.

Parameters:

filename (str) – the name of the file to load the data from

Example:

hpv.Sim().run(do_plot=True)
hpv.savefig('hpvsim.png')
hpv.get_png_metadata('hpvsim.png')