ZBrushCentral

Deco Brush Trouble (problem solved!)

ZBrush Usage Questions
#1

Recently, I did some sketching using various default and custom alphas with deco brush but when I tried to save, the resulting image had this overly pixilated line art.

Actually, even during the sketching, alphas looked pixilated but I thought it was some preview optimization.

I tried adjusting render and anti-aliasing settings, importing larger alphas, increasing document size and then knocking it down before the export.

Is there any way to resolve this issue, use deco brush for 2D sketching and painting and actually end up with smooth image export?

#2

I had the same problem.
Go to preferences and disable multithreading in performance options.

Yes, I don’t understand why too, but, do it.

#3

Also, you might try to fill the canvas with a solid color first and work on that. Unfortunately, the 2D-Brushes don’t really work on the transparent background. I really wished, they would.

#4

Reaversword, you mean…

Preferences => Performance =>…

If this is it, there are three buttons:

MultiDraw

MultiRender

QuickAndDirtyEdit

and two sliders:

QTransTreshold1

Background Proc

I tried adjusting and clicking all of these without any results.

#5

Digitaldecoy, I, honestly, have no clue how to use Zbrush in 2D so I’m not sure how to fill the canvas.

I wish there was a bucket tool…

#6

It just crossed my mind that I may be doing something wrong.

When I try to sketch with deco brush I use a couple of things I picked up from a tutorial to set up a white canvas. So there’s a possibility that this is the reason. Here’s what I do: I click on ‘Document’, I move ‘Range’ and ‘Center’ sliders to the left and ‘Rate’ – to the right, all the way. Then I hit ‘Back’ button and thus get a white background. Then I pick the ‘Deco’ brush, turn off the texture and pick black color. This is a completely mindless automated process since I have no idea what it is that I’m actually doing so I guess there’s a possibility that there’s something wrong about it.
#7

Could someone, please, try out the above described process to see if the same thing happens and make some suggestion how to resolve this issue?

#8

This is the line quality I usually get:

http://img6.imageshack.us/my.php?image=17426317.png

#9

Problem solved…

Apparently, crispy sharp alphas tend to make deco lines look randomly pixelated. This happened to me since I tried to use rasterized vector art for alphas and also Zbrush’s default Brush 53.PSD.

The solution is simply to go edit such alphas whether default or custom by adding 1-3% (or whatever works for you) of Gaussien Blur in Photoshop. This should allow you nice smooth lines.

#10

I’m sorry about to came later.

Try deactivating the two “Multi…” options. Then you should be able to choose the alpha and the level of rgb from 0 to 100, and remember store preferences… and reactivate multis it later