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Saving 32-bit images from Live Viewe
Posted: Thu Mar 26, 2015 8:36 pm
by martincarlson
I've read the help file and searched the forum but I'm still not sure if I understand everything correct.
To render/save 32-bit image I have to use Picture Viewer? I cannot save from Live Viewer?
Live Viewer does NOT render in 32-bit? So saving 16-bit PNG or EXR is basicly saving 8-bit data in 16/32-bit container?
Confused.
Re: Saving 32-bit images from Live Viewe
Posted: Thu Mar 26, 2015 8:55 pm
by aoktar
no confuse. it displays 8bit but can save 32bit via Exr.
Re: Saving 32-bit images from Live Viewe
Posted: Thu Mar 26, 2015 9:22 pm
by martincarlson
Aaah! Very good. Thanks.
Re: Saving 32-bit images from Live Viewe
Posted: Thu Mar 26, 2015 9:24 pm
by martincarlson
And saving tonemapped vs not tonemapped? What's the difference? Camera response baked in?
Re: Saving 32-bit images from Live Viewe
Posted: Sat Mar 28, 2015 5:00 pm
by martincarlson
Can't find good answers on the forum. But I guess the tonemapped exr has less dynamic range?
Re: Saving 32-bit images from Live Viewe
Posted: Sat Mar 28, 2015 5:10 pm
by aoktar
Tonemapped floatbuffer is clamped by max 1.0 value. But floatbuffer is not clamped.
Re: Saving 32-bit images from Live Viewe
Posted: Sat Mar 28, 2015 5:31 pm
by martincarlson
Ok. I guess I'll have to settle with that answer, even though I don't fully understand it. Thanks!
Re: Saving 32-bit images from Live Viewe
Posted: Sat Mar 28, 2015 5:46 pm
by aoktar
float tonemapped: camera response is applyed to output pixels. Resulted colors are between 0.0-1.0 per each R,G,B,A.
floatbuffer: this is raw output our rendering with gamma=1 and not limited to 0.0-1.0 values for each RGBA. If you compare in pshop you'll see the illumination is high than 1.0 for sunlight, etc....
Also gamma=1 and raw colors, that's the reason why it's darker and not same as in LV when you have camera response.
Re: Saving 32-bit images from Live Viewe
Posted: Sun Mar 29, 2015 3:35 pm
by martincarlson
Ok! Thank you.