AccuRender nXt

advanced rendering for AutoCAD

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Comment by George Ioannidis on April 26, 2012 at 12:26am

One way to produce nice grass (or fur, or hair, or even fallen leaves or anything randomly and unevenly found in real world) - using particles or something (which is common place e.g. in Blender) - would be nice. But as far as I know AutoCAD does not support particles. I would say there may be workarounds for architectural stuff like this - things that people making Architectural renderings could need or like to have. Maybe some sort of "block spray" for "painting" surfaces with randomly scaled, oriented and rotated block of e.g. grass blades or leaves (from 2,3 or 4 alternative blocks for even more randomness). Nxt works quite well with model with high polygon numbers, so it wouldn't be a real problem to render scenes like that. I did some internet search and found lisp routine which can fill closed polyline with blocks.Unfortunately it works only with planar shapes, so it can't fill real surface. Gives some interesting results though and maybe of some different use. If you do a block of grass blades with applied material on it, you can gen something like this:

Model becomes really heavy and difficult to handle or navigate though. I think similar (and rather better) result can be achieved using nXt groundcover.

Comment by Yinka Gbotosho on April 25, 2012 at 5:49pm

I agree with you George. NXT is a fantastic program. I however wish we had more support with entourage and ready objects and perhaps routine for making fur, hair, grass and such like we have with Max and vray. What do you think?

Comment by Miguel Tano Adanes on April 23, 2012 at 2:50am

Really nice job George! Very effective representation!

Comment by George Ioannidis on April 23, 2012 at 1:56am

Thanks Marc. Working on this project (rendering part) I have found nXt to be mature product, delivering quality I like and need, its speed is good (I am not doing animations and am not professional renderer as well - so speed is not really a problem for me). Of course all this must be considered in conjunction with the price. And there are not many programs today (if there are any at all) which can deliver all that nXt does in such price level. Happy nXt-ing to all :D

Comment by Marc Chaumier on April 21, 2012 at 12:43pm

Nice Pictures George. I like the render when we see one side in the shadow and one in the sun. It's good with nXt plants. But when you have to put real plants in Pshop, it's more difficult cause you have to find plant with the same lighting, and in most of the case it don't correspond. This kind of exposition can give the most beautiful contrast, and subtility in the shadows areas, as we can see here.

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Roy Hirshkowitz replied to Peter Milner's discussion Hidden lighting
"If they're behind a diffuser-- yep-- modeling the diffuser as a light source will get you most of the way there.  The type of lighting that a lot of folks are using, though, is these exposed 3M lighting strips.  They resemble…"
13 hours ago
Jan Verzelen replied to Peter Milner's discussion Hidden lighting
"okay, but why should one try to draw each separate light source? As you mentioned before, most of the time these are behind a diffuse cover. "
13 hours ago
Roy Hirshkowitz replied to Peter Milner's discussion Hidden lighting
"It works pretty well for this-- where the surfaces are diffuse.  Peter's got a more reflective surface which probably would show reflections of the individual light sources in the roll.  It's an interesting problem (and an actual…"
13 hours ago
Jan Verzelen replied to Peter Milner's discussion Hidden lighting
"this s what i get when trying to simulate led strips. i used rectangular hidden and visible area lights with the path tracer."
13 hours ago
Peter Milner replied to Peter Milner's discussion Hidden lighting
"I'll give it a whirl tomorrow."
13 hours ago
Roy Hirshkowitz replied to Peter Milner's discussion Hidden lighting
"Yep-- these sometimes do exhibit discreet reflections.  Does the hybrid engine do any better with these? "
13 hours ago
Peter Milner replied to Peter Milner's discussion Hidden lighting
"Most hidden LED strip light is now sold from a roll by the metre. This is the sort of stuff we use. I've tried using a rectangular area light, but that gives me an unrealistic rectangular reflection. I may have to resort to Photoshop to fake…"
14 hours ago
Roy Hirshkowitz replied to Peter Milner's discussion Hidden lighting
"You might try modeling them with a hidden, rectangular, area light. Many of these LED strip lights are encased in a plastic diffusing tube for this very reason. Make sure the light is facing the right direction."
14 hours ago

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