AccuRender nXt

advanced rendering for AutoCAD

  • Work continues on Engine 4.  I made a bunch of "improvements" in this round.  I like the direction this is heading.
  • The Preparing Rendering phase of the pre-process should go faster for the Path Tracer and the new engines.  Packet Tracer is unaffected by this change.

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Pyramid bump:

Better Pyramid:

Not sure exactly what you mean-- but bumps concentrate the light in some areas at the expense of others.  That's how a caustic works.  It can't add any energy.  The more concentrated the light is in certain areas the darker the shadow gets in others.  When you're trying to make a leaf catch fire with a magnifying glass you get a very dark shadow and very bright caustic.

I just took your glass and added a bump map.  I played around for about a minute to get something interesting.  I'm happy to post them here if you like-- although I don't think I even saved them.

Mario Schipflinger said:

Pyramid looks realistic to me! rubble looks also nice, more like cheap glass for my feeling. you can share material to give a try?

File which did crashes sent.

Regards.

Thanks George-- downloading it now. I did find a problem this morning which may be the source of the crashes.  I'll update this afternoon or tomorrow.

With little or no improvement on the Packet Tracer except for new features in Nxt I fear for it's future.

Great!

What are you afraid of?

akinlolu olugboji said:

With little or no improvement on the Packet Tracer except for new features in Nxt I fear for it's future.

That it maybe stop and all will be forced to upgrade hardware at great cost and for folks like us who still have to work on tight schedule, it is the greatest yet. 

You can worry about that if you want.  I wouldn't bother.

akinlolu olugboji said:

That it maybe stop and all will be forced to upgrade hardware at great cost and for folks like us who still have to work on tight schedule, it is the greatest yet. 

Use bumpmapping whenever possible.  Displacement mapping will slow you down a lot, cause numerous problems such as aliasing and precision, and add very little to the overall quality for most applications.  Displacement mapping's problems will be exaggerated when used on transparent materials.

Mario Schipflinger said:

after trying this, its not a problem of nXt - as usual PEBCAK. the preview is standard to pakettracer. this keept me away in the past from using displacements on transparent surfaces. 

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Roy Hirshkowitz replied to S. Jaisimha's discussion Bump map for material
"I would stay away from displacements for this-- they will impact performance way too much. This is going to require a combination of mapping and materials to really work.  nXt can get the size of the bitmap from the material definition, that…"
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S. Jaisimha replied to S. Jaisimha's discussion Bump map for material
"Thanks for replying George. I tried a displacement map, but I am having serious trouble getting the map to sit right. Is there any example for nXtRender anywhere that I can follow? Will one single material with a displacement map work immaterial of…"
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George Ioannidis replied to S. Jaisimha's discussion Bump map for material
"I think that for that type is better to use displacement map. Displacement actually modifies the geometry rather then just fake the relief."
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S. Jaisimha posted a discussion

Bump map for material

I want to create multiple materials with different bump maps, so that they can be assigned to the objects in AutoCAD for rendering. Please see the attachment for an idea. The idea is to assign the appropriate one to the object for rendering.If this can be achieved, it will avoid a whole lot of symbol creation, since right now to get the design etching, we are creating individual symbols for each design. Obviously this is very time consuming and results in literally thousands of DWG files, one…See More
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Wallace Amorim Júnior replied to Wallace Amorim Júnior's discussion Download NXT
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Albert D Hart replied to Wallace Amorim Júnior's discussion Download NXT
"Try this direct link for the current 64 bit   nXtRender - May 2015 OE08: arnxt64_0354-OE08.exe"
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Download NXT

Hi, guys.I had problems with my computer and I had to buy a new one. I lost many files and had no backup of nxt installer. I came to try download again, but the page is empty.What can I do to be able to download it?Thanks.See More
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