AccuRender nXt

advanced rendering for AutoCAD

Hi,

I'm trying to render the attached layout in AutoCAD using nXtRender and I am not sure how to get the lighting right. The drawing is Zipped to keep it within forum upload limits. I have attached a reference render generated in 3DS Max for the same layout.

The aim here is to get as close as possible to the lighting that is present in the 3DS Max render. Please ignore all props shown in the reference, as well as the lack of proper materials in the drawing. I'm only interested in getting the lighting right here.

Any help from you people will be greatly appreciated.

I'm not sure if this should be posted in the AutoCAD sub-forum, mods may please move it if necessary.

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Wow, some good tips and tricks there. Thanks George and Garret. I'll put this in use and update the result here. 

Garret, you have mentioned that better materials affect lighting. Are you referring to the quality of the texture map image or are you referring to the texture settings? What settings have you used in the second (better) image for say the wooden shutter material?

Maybe i got the wrong file but in this drawing the door is half open and the front wall layer is off. Shouldn't one use clipping planes to simulate realistic lighting instead of turning the wall layer off, or am i missing something here?

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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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