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NPR rendering How to?


graphix
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Ok guys, I have searched the web and have combed the articals here. Tried a bunch of plugins for photoshop and fiddeled with filters and just can not get a NPR look.

 

I have clients that are wanting a water colored look or a pencil drawn look to their renderings.

 

I render in VIZ 4 and have photoshop 7. Any tips/tricks/plugins or links would be great help..

 

Thanks in advance,

 

graphix.

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Ernest Burden started a thread showing some of his always imrpessive work. He actually gives a good breakdown on some very controlable and powerful techniques 3dviz (he used lightscape) & PS software, that he uses.

 

http://www.cgarchitect.com/vb/showthread.php?t=4958

 

 

Somewhere there is either a tutorial or article by Ernest - detailing some of his techniques and artistic development he has been through. Can't find the link, sorry.

 

WDA

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Has anyone ever learned what that "one-button" PS-action does in detail - the one Ernest refers to when asked for his secrets?

 

Ernest - the link WDA mentions above... would you mind pointing us in the right direction if you remember where the thread is?

 

The thread below is the closest thing I´ve found so far and I have spent a few hours looking for it:

 

http://www.cgarchitect.com/vb/showthread.php?t=1833&page=1&pp=10&highlight=NPR

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here's the link, at least the one i guess you're referring to:

 

http://www.acmedigital.com/tutorial/tutorialLS-WC.html

 

That tutorial is for producing hybrid work--digital plus hand-painted parts. It is not for 100% digital work. I no longer use the techniques outlined in that, but they are still valid.

 

I'm sorry to be mysterious about the lines thing. I have explained it pretty completely in various posts. I have not had the time to put it all into a set of imstructions. I'm not sure when or if I will. What you need to understand is that I was experimenting with the cameras rolling. I simply hit 'record' on a new Photoshop action and began playing around. I did a LOT of stuff and I don't remember what it all was. But I recorded it, so it is now literally a one-button thing. It is dozens of steps long, many of those done and then undone within the action. I can set it to stop in certain parts so I can enter different values for filter steps.

 

As a basic--I am using Photoshop's line filter to produce the edges, copying that to two layers, motionbluring one horizontally, the other vertically, them merging them back down and 'jiggling' the result with the EyeCandy filter.

 

But if you have a 'sketch' renderer available to you, it would likely do a better job of this than my method. I'm just making the most of the tools I have here. I have a result in mind, then play around until I can find a way to produce it, or get as close at I can.

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What is the line filter?

 

There are two of them. First is 'find edges', its probably under 'stylize' (no PS on this computer to check), but the better one is 'glowing edges'. You can vary the line weights, and the contrast. It will give you a black field with colored lines. Invert it, use hue/saturation to make each color black or gray, that keeps the weights the same for all colors. Or, adjust darkness by color.

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Ah, gotcha. Well you might remember this one I did a while ago.

 

What's funny here is that seeing the use of angled strokes and I think 'hey, that's wrong'. You see, I'm left-handed, so I sketch with the opposite slant. When I've used that filter I have it do the strokes the other way. It's silly, we're not drawing with Photoshop, but I still can't get away from years of hand work.

 

About this building--it has been annoying me since you first posted it. I know, not your design, but damn it, the design makes no sense. Why one side of the entrance piers is higher?

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