Certain Colors off when rendering in Iray ??
heisdave
Posts: 130
in The Commons
hi
I am working with a room asset. When I render it with 3delight, the colors are correct, but when I render it with Nvidia iray the colors of certain objects are way off, (purple).
Does anyone know the cause and the setting to fix this?
[IMG]http://i64.tinypic.com/23v0uvq.png[/IMG]
thanks!
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Comments
reposting my image linjk:
http://tinypic.com/r/23v0uvq/9
Did you switch to Iray materials? Which kind of light do you use in Iray, can you link to the product you used?
It is my opinion that Iray has trouble with certain colors.
In general there is often too much of the color black and shadows are too intense giving a colorized photo look to a lot of art. A render could be in bright sun and the shadows are really black. Nuance is difficult to capture. A moderately lit room in real life will have no black shadows but in Iray you will get them
it also doesn’t do yellow too well.
There is something up with your surfaces. In addition to what Linwelly already asked, could you take a screen shot of the surface settings for the purple surfaces?
On the too intense shadows, I think at least some of that comes from the default tone mapping. But regardless that doesn't result in bright purple being in the scene.
I also wonder if folks have calibrated their monitor; and how colour-accurate said monitor is.
+100
Back in the late 90's I worked in web site design, yeah it was as awful as you think, and I delivered a website to a customer and the guy called up a couple ofdays later complaining that his logo was the wrong color so I loaded the site and checked and on my calibrated monitor it matched his printed sample as closely as it was likely possible. During the discussion it became apparent that this wasn't a matter of something being a shade off but literally the wrong color as far as he was concerned. So I asked him to check on a different screen. So of course then it was "why is it different?" and "I want it to look the same on every monitor." No amount of explaining could convince the guy that I'd done what I could and had no way to adjsut the monitors remotely. IIRC he refused to pay for the website over that and had to get a letter from the company's lawyer.
Doesn't surprise me.
A company we produced software for just moved servers (load balancing, separate SQL server, and then the server our code goes on - yes it all went on one previously).
They are wondering what is wrong with our code as it runs much slower. We pointed out that it ran pretty decently on one server, so suggested they pay for more than Amazon's basic package (or whoever they used).
For me, I see the color issues on different monitors so, I don't really consider all iray issues to be a question of an uncalibrated monitor.
There are so many renders posted on these forums that just scream "straight out-of-the-box" monitor settings. Images that are so dark and flat that you just know the monitor they're being created on has the brightness and contrast way too high - perfect for viewing When you're looking at them in a brightly lit store, but useless for creating images that you want to post online and expect others to see the same as you're seeing at home.
At the very least, people should try to calibrate with some decent test images, better still obviously, use a proper monitor calibrator - something like a Spyder 5 is pretty cheap. Just don't bother with the included calibration software. Install the free DisplayCAL instead, which is miles better.