search

WorldWideTelescope / wwt-windows-client

WorldWide Telescope Windows Application
Other
179 stars 55 forks source link

HiPS resolution glitches when rendering a tour #201

Open astrodavid10 opened 2 years ago

astrodavid10 commented 2 years ago

I am not certain if selecting "Wait for all downloads" when rendering a tour to video (really frames) actually works in any instance, but it definitely does not if a HiPS dataset is the one being rendered.

astrodavid10 commented 2 years ago

I may have jumped the gun on what to call this... in looking at my render, the data tiles in at the appropriate zoom level and then momentarily backtracks and drops a chunk of the view to a much lower resolution. This is in a 3840x2160 screen size at 100% Windows scaling and at 60 fps

pkgw commented 2 years ago

I think I get what you're describing. Does the resolution glitch last, like a single frame, or longer than that?

My guess is that this one might be tricky to trigger so if you're able to report any more notes about how to reproduce the issue consistently, that would probably be very helpful.

astrodavid10 commented 2 years ago

I don't think that this is only a HiPS problem, but it might be HiPS exacerbated. In this render, it lasts 40 frames which is 2/3 of a sec. Pre glitch: orion_dss_unwise_v1____2919 Glitch: orion_dss_unwise_v1____2920 .

astrodavid10 commented 2 years ago

I'll try a couple re-renders to see if it is reproducible and always in the same spot.

pkgw commented 2 years ago

Interesting! CC @imbasimba if you happen to have the chance to think about why this might be happening.