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Re: Achieving Realistic Look
There's a visualizer for the viewport. ShowFlag.VisualizeHDR 1 In the middle of the screen, it'll show LRGB values. You can essentially follow Crytek's method for determining luminance values, although some values for either engine just won't work. Either way, taking a general Lux value for the sunlight during a specific… -
Re: Achieving Realistic Look
Okay, just after some more testing, I've found out a few things. ~ Reflection actors, bloom, eye adaption, and the tonemapper don't affect the Luminance while in the HDR Visualizer. I personally prefer to work without bloom and eye adaptation until the final tweaks, however. ~ Skylights do, however. ~ Adjusting light… -
Re: Achieving Realistic Look
That number is the average luminance of the scene, which is the "intensity of light being emitted from a surface." Using a pure white, no specular material on a plane perpendicular to the light direction helps get the brightest value from the scene, which is what we're basing all of this on. Make sure you have all other… -
Re: Achieving Realistic Look
They were able to get such a photo-realistic look because they balanced and calibrated the reference photo with a Macbeth chart(that thing with many colored squares). So it's easy to color correct both images later on so they match each other. Besides Frostbite having physically based materials they also have physically… -
Re: Achieving Realistic Look
No, it seems like you're pretty close. :) There are a couple of things I'd check though. Make sure your white material has no spec, metalness, or roughness and is completely flat. I just tested the visualizer to see if it makes a difference and it doesn't seem that way, however it doesn't hurt. The visualizer is weird on… -
Re: Achieving Realistic Look
Thanks for the time. :) So as far as I look everywhere, yes Directional Light doesn't have any units it's only a multiplier so converting Lux to Lumens doesn't really help. :( When setting the directional light intensity at 20 which is pretty high, and looking at a white surface like that my LRGB is 006.375 (not sure what… -
Re: Achieving Realistic Look
Hey, good to have you in here as well. :) Yeah I totally forgot about those stuff, there are two major options, dynamic range and the other one I just forgot that affect the luminance range a lot. Thank's a TON for mentioning. :) -
Re: Achieving Realistic Look
Thanks for the reply. I asked that once on the UE4 forums but didn't get a reply. How do you measure the total scene luminance in UE4? Also, for textures that are not shot with a color checker is there any workflow to create that consistency between them? something acceptable, if not accurate. Directional light in UE4 does… -
Re: Achieving Realistic Look
You might be right. I think I might have had it toggled in the viewport, but it was still active in the post-process volume, therefore turning it back in when I go into game mode. I thought I disabled the entire volume, but maybe not... I've been really busy at work this week/weekend, but I should have a few hours tonight… -
Re: Achieving Realistic Look
Check out this video for Eat3D. It goes over color-calibrating with a color chart in Lightroom. Once your photo is calibrated properly, you can base your render/screenshot off of that and tweak the values to get something close to the photo. And to add on what Drew said, a lot of engines are switching over to more…
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