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ISO changes during renders.

jd641jd641 Posts: 462
edited May 2020 in The Commons

Sometimes I can change my ISO settings while rendering and see the bightness changes and my render continues without issue. Sometimes I change the ISO and my render goes back to interation 1 and starts all over again.I just had a 12 hour render start over because I changed my ISO settings from 200 to 400 but last night at two hours into the render I changed it several times and it kept going.

So what's the logic behind this and why would it work earlier in the render but not when I acutally needed it to work? :(

 

(using 4.12.1.117)

Post edited by jd641 on

Comments

  • FSMCDesignsFSMCDesigns Posts: 12,846

    Never knew that was even an option except in iray preview mode, very surprising since I wouldn't even think that would work during an actual render.

  • Silent WinterSilent Winter Posts: 3,896

    It doesn't really go back to 0% - the progress bar shows that but keep going and you'll notice it shoot up a lot faster to 'catch up' to where it was before.

    And @FSMCDesigns - there's a little button on the middle-left of the render window that opens up some of the render controls. Not all, but you can change certain things mid-render (or even after the render finishes but before you close that window - then hit 'resume') - things like tone-mapping options, progressive render options (max iterations etc) and the filtering options (turn bloom up and down / noise reduction filter, etc)

  • FSMCDesignsFSMCDesigns Posts: 12,846
    Silent Winter said:

    It doesn't really go back to 0% - the progress bar shows that but keep going and you'll notice it shoot up a lot faster to 'catch up' to where it was before.

    And @FSMCDesigns - there's a little button on the middle-left of the render window that opens up some of the render controls. Not all, but you can change certain things mid-render (or even after the render finishes but before you close that window - then hit 'resume') - things like tone-mapping options, progressive render options (max iterations etc) and the filtering options (turn bloom up and down / noise reduction filter, etc)

    Cool, will have to check that option out. thanks

  • jd641jd641 Posts: 462
    Silent Winter said:

    It doesn't really go back to 0% - the progress bar shows that but keep going and you'll notice it shoot up a lot faster to 'catch up' to where it was before.

    And @FSMCDesigns - there's a little button on the middle-left of the render window that opens up some of the render controls. Not all, but you can change certain things mid-render (or even after the render finishes but before you close that window - then hit 'resume') - things like tone-mapping options, progressive render options (max iterations etc) and the filtering options (turn bloom up and down / noise reduction filter, etc)

    Really? D:

    Well that's good news. Next time I won't cancel it after seeing it seemingly start over and I'll give it a chance to try and get back to where it was. It's just strange that sometimes the image will stay at the current iteration and sometimes it doesn't.

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