AccuRender nXt

advanced rendering for AutoCAD

Has anyone noticed when you engage the path tracer that it desaturates the colors of the plants?  I have seen this with the new NXT created or old Ar3and Ar4 landscaping.  With the old plants the path tracer seems to almost shrink the leaves giving you a bunch of wilted stems. 

I'm I doing something wrong with my settings? 

The first image is the path tracer off, the second is with it on.   The third image has old vines from ar3 hanging down or whats left of them with the path on.

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Different issues-- the Path Tracer does calculate some additional paths of light so, for example, if the leaves have some glossiness that may show up in a way that the old engine doesn't calculate. Interreflection and translucency are also handled better in the Path Tracer. It may change the appearance of certain objects and materials.

Not sure what's up with the ar3/4 vines. It's certainly possible these aren't working correctly.  I can test a few out here next week.

long shot from here, but still: Material Editor IMHO definitely needs to have an option to use other lighting than the default rnl_probe: if leaves are too glossy and sky is too blue, I need to have a chance to tune it prior rendering... If I had an option to use the lighting scheme I have in my model, I would be able to tune the saturation properly...

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Peter Milner replied to Roy Hirshkowitz's discussion AccuRender Studio
"Yes, the glass material translated as Refractive automatically."
Dec 23, 2020
Roy Hirshkowitz replied to Roy Hirshkowitz's discussion AccuRender Studio
"Yeah-- like I mentioned the caustics are accurate but could be annoying.  Things that might alter it include changing the sun angle so it's not striking the chair's metal surfaces so directly, changing the roughness of the chair…"
Dec 23, 2020
Peter Milner replied to Roy Hirshkowitz's discussion AccuRender Studio
"Here's the latest render using metallic materials. The chrome now looks a lot better. I do feel though that the reflected light on the back wall is too bright."
Dec 23, 2020
Roy Hirshkowitz replied to Roy Hirshkowitz's discussion AccuRender Studio
"Ah-- so that's a function of the material type.  The standard material won't give you a mirror anymore.  You need to change the material to metallic and you should get something more familiar.  Use the Type popdown on the…"
Dec 18, 2020
Peter Milner replied to Roy Hirshkowitz's discussion AccuRender Studio
"Pacing a mirror on the back wall (reflections = 1.0, noise = 0.0), you can see the difference more clearly (top image is nXt)."
Dec 18, 2020
Peter Milner replied to Roy Hirshkowitz's discussion AccuRender Studio
"You can see from these two images that there is definitely something wrong with reflective surfaces. It appears the light is being reflected, but not objects or textures. In the nXt version (top image), the carpet texture is being reflected in the…"
Dec 18, 2020
Roy Hirshkowitz replied to Roy Hirshkowitz's discussion AccuRender Studio
"It's interesting-- overall the quality of this interior is very high for that short amount of processing, and may be acceptable for certain scenes.  In this one, however, there are some reflective caustics that are taking longer to…"
Dec 17, 2020
Peter Milner replied to Roy Hirshkowitz's discussion AccuRender Studio
"ARDECAL now works. Here's the image after 10 minutes of rendering. I do have a slight concern that reflective surfaces seem rather dull. This is particularly evident on the end frame of the desk and the base of the chair."
Dec 17, 2020

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