On Dec 11, 2023, at 3:47 PM, Alexis Rohou via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

Hi all,

I was playing around with movies where I rotate models around their own centers and noticed an unpleasant (to my eye) rendering glitch.

Steps to reproduce (this is with 1.7rc202311150127):

close

open pdb:7vja; lighting soft; surf; ~show; view

movie record; turn y 1 360 model #1; wait 360; movie encode test_spin_model.mp4

movie record; turn y 1 360; wait 360; movie encode test_spin.mp4

So we have two "spin" movies of the same surface, but one of them ("test_spin_model.mp4") has a shimmering artefact. At first I mistook this for a video compression artefact, but it's there in the "live" rendering and it disappears if I drop the "model" argument to the "turn" command. Also, I can't reproduce this if I don't use soft lighting.

I will try to send the movies as attachments to a reply to this email (not sure they'll go through).

Cheers,

Alexis

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