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Carrara F.A.Q (Last Updated: 2025 Jan 20 11:31 am)

 

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Subject: ...Further Development of Carrara's NPR Renderer for C6 ?


Veritas777 ( ) posted Sat, 18 August 2007 at 7:31 PM · edited Fri, 24 January 2025 at 12:42 PM

file_385681.jpg

I am a major FAN of Carrara 5's NPR rendering feature- in fact it was the main reason I bought C5... so I was really INTERESTED to see that an ACADEMIC PROJECT has developed NPR features that look similiar to C5's NPR---but BEYOND what C5 can do-- leading me to the HOPE that maybe C6 will have something like THESE...

FREESTYLE is FREE to download and is based upon the Renderman shader language...

http://freestyle.sourceforge.net/GALLERY/dirindex.php


Veritas777 ( ) posted Sat, 18 August 2007 at 7:32 PM

file_385682.jpg

...another example...


ShawnDriscoll ( ) posted Sat, 18 August 2007 at 11:41 PM

I tried it.  3DS, but not OBJ import?  Argh.  And it's a sourceforge.net friendly gui on top of that.

Deleted after using only once.

www.youtube.com/user/ShawnDriscollCG


Veritas777 ( ) posted Sun, 19 August 2007 at 2:35 AM

file_385721.jpg

...I've found it to be a GREAT program!-- easy to use and produces excellent results using their layering system...

...and why OBJ?-- it's a HUGE file compared to the much more efficient 3DS format...after all- the purpose is NPR- and 3DS is perfect for it...


Veritas777 ( ) posted Sun, 19 August 2007 at 2:35 AM

file_385722.jpg

...


Miss Nancy ( ) posted Sun, 19 August 2007 at 2:22 PM

those were done using 3DS models of a guppy and a pelican? the guppy is almost sume-i (sp?), japanese ink-brush style.



Veritas777 ( ) posted Sun, 19 August 2007 at 2:37 PM

...Yes-- this is a pretty brilliant NPR program, I think... Carrara has some really great NPR effects- similiar in many ways to these-- but Eovia has NOT really updated or taken them FURTHER along--they have a number of limitations that FreeStyle has greatly improved upon... The DAZ Carrara Dev Team SHOULD look at FreeStyle and see what they have done so that Carrara could  take NPR effects in to another level...

FreeStyle uses a layering system- which is one of the main VERY INTERESTING features of FreeStyle- no other NPR program has offered this before...

One other INTERESTING thing too is that Freestyle will output EPS files- so they can be used in programs like Corel Draw and Adobe Photoshop... 

They have also further developed the concepts of NPR "Style Sheets" and "Style Modules"- also worth noting... 

--For anyone having OpenGL Crashes:

... press "h" on the keyboard and it will bring up LOTS of options!-- I found some of my models were crashing the program- probably due to some kind of OpenGL overload- so the "trick" I discovered was to use the camera to Zoom and Position my model- then make it INVISIBLE... Press render and Voila!...heh!

It's NOT a hugely ROBUST program- as it is primarily meant to be a "proof of concept"- and they admit that Python is not the MOST EFFICIENT way to do this... but it offered the ability to allow users to easily program their own NPR effects... so ultimately-- if Freestyle was released with C++ coded modules and sliders it would be a pretty POWERFUL NPR tool...

Hopefully DAZ , or someone, will develope it FURTHER...!


Miss Nancy ( ) posted Sun, 19 August 2007 at 2:54 PM · edited Sun, 19 August 2007 at 2:56 PM

well, actually, yer reposting some images from the site. but apparently those two pelicans were done by you, which indicates it's workin' o.k.. I noticed, just going to the cartoon page, there were some python errors posted. poser also had some problems with python in the early days.



Veritas777 ( ) posted Sun, 19 August 2007 at 3:51 PM

Attached Link: http://freestyle.sourceforge.net/doc/html/index.html

...Yes, it's NOT a "Slick" commercial program- more like a "working demo" and the developers are ACADEMICS who made FreeStyle just to illustrate their NPR workflow concepts...

I would recommend reading their Research Paper to better understand their NPR process- and also the Python PDF for anyone interested in programming their own NPR effects... but it is pretty easy to "HACK" their Style Sheets to modify them as you experiment with them-- which they ENCOURAGE people to do...

They are ALSO working to get FreeStyle working with Blender- so I would expect that ANYONE who has an interest in developing FreeStyle for a specific program- they would probably try to help them do it. Certainly it would be IDEAL for Daz Studio- being that it is Renderman based and a free program as well... Maybe someone could convert the Python scripts using the Daz Studio SDK-- seems like Daz Studio scripts could handle this...

"The freestyler's job is to write style modules. Each style module is a piece of style and it has to be written using the Python language. This document contains information about the operators and tools provided by Freestyle. Python documentation material can be found here: www.python.org. (the tutorial is a good start.)
The operators you are about to use simulate the drawing process: it is essential to have a clear idea of the data structures that are manipulated as well as of the pipelined organization of these operators. We therefore recommend to read the related research paper before starting. "


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