Making Realistic Carpet

Tutorials/guides/tips on how to use Indigo and the Indigo exporters
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ninopiamonte
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Making Realistic Carpet

Post by ninopiamonte » Sat Apr 07, 2012 3:14 pm

I'm using Sketchup, and I know it can't handle high geometries, like using the fur tool. I have tried the subdivision options, quite not real in render. In making an interior, fur carpets make it complete.
Any ways to do this tricky problem? Or any? :wink: :wink: :roll: :roll:
Last edited by ninopiamonte on Sun Apr 08, 2012 3:45 pm, edited 1 time in total.

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Zom-B
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Re: Making Realistic Carpet

Post by Zom-B » Sat Apr 07, 2012 10:38 pm

bump and displacement carpets generally suck :(
its simply due to the single direction normals or mesh gets extruded.
Vector displacement could change that, but isn't implemented, and also getting maps for it is more tricky then doing pure 2D textures...

Best carpets are done by a hair engine and transformed to a (highrez) mesh and are usable in Indigo quite well.
Another option is to scatter a basemesh over a carpet to get a nice effect, but that ends up to uniform most of the time, look here for an example: http://bertrand-benoit.com/blog/2011/02 ... rest-pack/

my "best" displacement carpet can be seen here (3rd image).
Worked on it for ages, tested a lot, and ended up unsatisfied with the result...

Here a example of a Hair based carpet done by dcm.

If you can't do a hair carpet by yourself, simple invest a few $$$ and buy one, its worth it!
polygonmanufaktur.de

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ninopiamonte
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Re: Making Realistic Carpet

Post by ninopiamonte » Sun Apr 08, 2012 12:43 am

thanks Zom-B,
I will try to figure out, do some experiments

on your "best" displacement carpet, I saw it was also alike from the tutorial, but the interior is great & neat.
I also love your website. Are they all Indigo renders?!
:shock: :shock:

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Re: Making Realistic Carpet

Post by Zom-B » Sun Apr 08, 2012 2:20 am

ninopiamonte wrote:I also love your website. Are they all Indigo renders?!
Thanks for the kind words, everything that looks somehow nice is done in Indigo ;)
polygonmanufaktur.de

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cotty
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Re: Making Realistic Carpet

Post by cotty » Sun Apr 08, 2012 3:58 am

MakeFur in combination with instancing (see proxy instancing) can do the trick I think.

I don't know the Fur plugin and its options very well but as a first try I reached the attached...
May be with more option tweaking (force, stiffness, ...) you can get what you want?! I also attached the testfile for SketchUp.
Cotty
Attachments
carpet.zip
(262.41 KiB) Downloaded 693 times
carpet_forum.jpg
little gallery... http://unverzagt.biz/cottysgallery/

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CTZn
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Re: Making Realistic Carpet

Post by CTZn » Sun Apr 08, 2012 5:19 am

Great input Cotty, many thanks.

Nino, could you please edit the first post in order to change the title in a way wich specifies this is for SketchUp ? That would be a fair pointer, thank you.
obsolete asset

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Re: Making Realistic Carpet

Post by cotty » Sun Apr 08, 2012 7:34 am

carpet "poser" 8)
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carpet_gold.jpg
little gallery... http://unverzagt.biz/cottysgallery/

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Re: Making Realistic Carpet

Post by Whaat » Sun Apr 08, 2012 10:52 am

cotty wrote:MakeFur in combination with instancing (see proxy instancing) can do the trick I think.

I don't know the Fur plugin and its options very well but as a first try I reached the attached...
May be with more option tweaking (force, stiffness, ...) you can get what you want?! I also attached the testfile for SketchUp.
Cotty
Great technique Cotty. It deserves a tutorial. I have a hope to add support for the fur plugin in a future release. It should be possible to assign 'fur' properties to a face and then the carpet fibres would automatically scattered during the export process.

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ninopiamonte
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Re: Making Realistic Carpet

Post by ninopiamonte » Sun Apr 08, 2012 12:22 pm

@cotty
Thanks for that very nice tutorial and the attachment. That would make sense now on how will I use the fur plugin :D

@CTZn
What do you mean change, or how will I do it?

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cotty
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Re: Making Realistic Carpet

Post by cotty » Sun Apr 08, 2012 6:40 pm

I played a little more with the MakeFur plugin and noticed that only some of the many options have an influence on the result if you use your own component:
- Density and MaxNumber
- TopJitter
- Direction (X, Y, Z)
Edit: here are some examples:
fur_example.jpg
ninopiamonte wrote:@cotty
Thanks for that very nice tutorial and the attachment. That would make sense now on how will I use the fur plugin :D
Let us see what your results are...
cotty wrote: I have a hope to add support for the fur plugin in a future release. It should be possible to assign 'fur' properties to a face and then the carpet fibres would automatically scattered during the export process.
That would be very helpful!
little gallery... http://unverzagt.biz/cottysgallery/

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ninopiamonte
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Re: Making Realistic Carpet

Post by ninopiamonte » Mon Apr 09, 2012 12:30 am

@cotty
Nice tutorial again!

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CTZn
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Re: Making Realistic Carpet

Post by CTZn » Mon Apr 09, 2012 5:38 am

ninopiamonte wrote:@CTZn
What do you mean change, or how will I do it?
Nevermind me :)
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ninopiamonte
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Re: Making Realistic Carpet

Post by ninopiamonte » Mon Apr 09, 2012 5:13 pm

This time, I used the attachment of cotty but I created a patch for an easy scattering. I'll update the more real render later :D
Attachments
CARPET PATCH.PNG
RED CARPET.png

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Whaat
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Re: Making Realistic Carpet

Post by Whaat » Tue May 22, 2012 9:28 am

Thank you cotty for your inspiration for using the awesome MakeFur plugin. Any SketchUp user would be wise to put in the time to learn the power of using the plugin in combination with dummy instancing.

I was finally able to come up with a 3D grass system that gives good results. Using the fur plugin (actually, the Make Crowd tool), I can easily scatter my 'dummy grass' components across sloping terrain. At the borders, I just use more densely scattered instances of smaller grass clumps. I used two variations of the grass components (one lighter, one darker) so I could add color variation. No more photoshop grass. Yay!
Attachments
viewport.jpg
2storey1.jpg

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Re: Making Realistic Carpet

Post by Zom-B » Tue May 22, 2012 9:54 am

Nice result and great tip with the denser settings for the borders!
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