Use raw_image() for waveform plots otherwise we make the plots from
authorCarl Hetherington <cth@carlh.net>
Thu, 11 Aug 2022 20:45:05 +0000 (22:45 +0200)
committerCarl Hetherington <cth@carlh.net>
Thu, 11 Aug 2022 20:45:05 +0000 (22:45 +0200)
scaled images which makes them look odd.


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