Question about IRay HDRI Reshade
Wonderland
Posts: 7,053
I'm a bit confused about https://www.daz3d.com/iray-hdri-reshade
How exactly is it different from toning? It allows you to use extra lights, not affected by the colors of the product? I can't remember now if you can do that with regular toning. Can you use your own lights or just the ones supplied? I wish a video came with this to explain and demonstrate better what it does and show EXACTLY how it's different from toning.
Does anyone have this or know the answer?
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I'm going to buy it. I am curious about this and will let you know if someone else doesnt.
I am interested in what you discover. I have confidence in KA's products, but would definitely appreciate better understanding how this one works.
Yes, same! Would be great to know what you think, Serene Night.
@KindredArts kindly responded to a similar query in a thread by @Loony in the Product section, but think it still needs to be clarified a bit: https://www.daz3d.com/forums/discussion/419801/iray-hdri-reshade-kindredarts#latest
Okay here is my test scene. I've put G8M. In my favorite HDRI Alaskan Sunset. Its a little dark, but that's how it is.
Iray HDRI Reshade loads as a prop. I'm not entirely sure what it is. It can't be seen. It has several colors you add to it.Here I've chosen Blue Green.
Here I have increased environmental intensity
Hey guys, sorry i'm not too active here but i'm not in my office. I made this mostly with the intention of doing day for night shots without having to swap around the HDRI all the time.So if you have details baked into an HDRI like a treeline or building, you might not want to lose those details by swapping out your HDRI. This set is basically a big invisible skybox that color corrects your HDRI without the need for post work. As i said in another thread, it's like my lens effects kit, but this set allows you to only afffect your HDRI rather than color-tinting your entire scene.
It's pretty easy to use, you just load it into the scene and apply presets to it. I do supply documentation with it, but after a few minutes of tinkering around, you'll find it's pretty self explanitory.
I'm still not sure if i'm explaining it very well, let me know if you have more questions. I'll try and keep up with this thread.
I like the product. The only issue I seem to have with it is I seem to be running into issues with the ground and position of the feet in the HDRI. With the setting of the feet on manual, it doesn't work well- I will keep it on auto for now.
Okay, so here is another scene. Urban Wasteland, default light
Here I have added the light change only to sunset. So it doesn't affect the HDRI
Finally, I changed the overall color To Twilight hour. Which now affects the whole scene.
Seems like a very useful product. Especially if you struggle to do 'dark' scenes. Being able to change the light and the color to two different shades, is very cool. I'm loving this.
I find that it's quite a nice tool. Especially because it allows to keep all the lights in the scene the same. Here are a few quick experiments. The First one is the base scene with a daylight HDRI and one additional Ghost light to hightlight the main characters. The other three are different reshade setups. Pretty neat. The darker reshade versions show the effect of the ghost light quite nicely.
TD
In other words, you can now do day-for-night with HDRIs. Awesome.
Thank you for posting your test renders. It looks like you're losing your ground shadows in the last couple. Would adjusting the Ground Position Mode get the ground shadows back?
There is something about the feet and the ground which I don't quite get. It doesn't like manual mode but seems to want auto mode. In manual mode the prop is visible so switching to auto is necessary. The product emits light as well so this may affect shadows. More testing is needed I think.
Further testing, restores shadows when ground is in manual. I didn't get the weird visible skybox in the wasteland HDRI, I did get with the winter set. So you probably have to fiddle with that setting as you suggested, and some HDRI may be more persnickety.
Plus, it works with the more fashionable boxer-briefs.
lol. That made me laugh
Thanks everyone. But what happens if you color the HDRI blue and add a yellow light. Does it turn the light green or does it stay yellow?
That looks great - like twilight. I'm glad you were able to get the ground shadows back! This is definitely a must-buy for me. :)
From the promos it looks like (and states) that it only affects the light coming from the HDRI and doesn't affect the rest of the scene's lighting:
That sounds awesome and definitely (IMO) a reason to get this over just trying to adjust the tone mapping, which affects ALL the scene's light. This looks like an awesome product! I'm very much looking forward to getting it (it's in my cart, I just have to figure out if there's anything else I want to get with it before checking out).
The light tends to be weaker and gets somwhat overpowered I think. You can tweak with the settings. This is yellow light, blue HDRI
this is very yellow
Poor girl should have her liver checked.
I often use HDRIs for the visuals rather than the lighting, and have specifically been interested in darkening them, so this should prove useful in certain scenes and I've picked it up. With that said, it's not impossible to give the HDR files themselves a working-over in an image editing program, either.
Very true. I like the fact it renders quickly. You could add additional light with this and color it and not tweak the hdri.
Yeah, and tweaking HDRIs manually can be a bit time consuming as well as takes up quite a bit of Hard Drive space to save different tweaked versions of HDRIs (particularly the larger/higher res HDRIs).
In your Full Tutorial guide, you recommend using an HDRI with neutral variants. You also showed an example, which one is that?
This looks very handy indeed.
just keeping an eye on this thread - I too, bought it, but as I am a bit of a dummy when it comes to stuff like this - as KindredArts will attest to LOL - this could hopefully be the thread that gives me the "aha!" light bulb.
So here's what how it works.
This is a quick render of Around the Campfire set against the Tiergarten HDRI from HDRI Haven. There's light coming from the HDRI, the campfire, and a spotlight set to 2500k.
This is the same scene with a green tinted Reshade prop installed. The HDRI light is now really green, but the light from the campfire and the spot didn't change.
And this is the Reshade bubble. It's huge! The campfire set is in there, but it's tiny by comparison.
Oh, and there's a separate light object included. You can make your HDRI look green, and yet have a an additional different colour ambient light. As far as canvasses go, this is not, however "environment" light, but a separate emissive light source. It's a ghost light bubble.
Could someone tell me why the icons under 'Light Intensity" don't do anythig. I have the HDRI Reshade object loaded and selected, but when I click on an icon nothing happens. What am I missing here?
Deleted. My answer wasn't correct.
I use it a lot, also mixing the materials and light settings.
Are you double-clicking? It changes the Luminance setting in the HDRI Reshade Light surface tab.
It only changes the light intensity, not the reshade intensity. So if you haven't added the light, it won't do anything.