ZBrush Symmetry for a square object.

Zepic

I'm having a problem with the symmetry feature in ZBrush 4R2. I made a square pillar in Max, hit the GOZ button, got it into ZBRush. The thing is, when I activate the symmetry button, some of my cursor points are floating far away from the model.
What I'm trying to do is just paint one side of the pillar with symmetry on so it paints all four sides at once.
My pillar is exactly 4x4x10feet tall. The pivot is exactly in the center when I GOZ it out from Max.
You guys have any ideas? I tried messing with the X Y Z and even radial buttons in ZBrush but those little red dots are still floating out by themselves on ghost geo?

Avanthera

Have you tried using Local symmetry?

Zbrush always wrecks symmetry for me.

Bek

Local sym, check in max if the pivot is centred in the model, otherwise go Transform > Set Pivot.

That should do it. If the model somehow becomes unsymmetrical you can use the Deformation sub palette (under tool palette) to fix small symmetry problems. Also if the Pillar doesn't need specific edge loops you could just make it inside Zbrush. (Init Zbrush, click on SImple Brush on the right hand side assuming default UI, click Cube3d, Draw it out inthe viewport, go to the Initialise sub palette, change values to the size you want, check topology with PolyFrame on, alter HDivide / Vdivide slider to get roughly square topology, make polymesh 3d, done. Takes a few seconds once you get used to doing it that way.

Zepic

Hey, Thanks guys!
Local Symmetry did the trick.

What's the deal with the default symmetry? Why would it throw the little red dots so far away from my model? What's it basing its pivot on?

cryrid

The top-most subtool

Avanthera

I didn't know, that... dang.

Thanks cryrid!

Zepic

cryrid wrote: »

The top-most subtool

Hmmm, if my imported square pillar is the top most subtool, then why are the red dots still floating off into space? I still don't get it?

cryrid

I'm going to guess that it's center isn't where you think it is. Whats the preview window look like?

Bek

Possibly the pillar wasn't centred in the world in max when you used GOZ?

Zepic

When I was making the pillar in Max, I went to the adjust pivot option and hit "Affect Pivot Only" and then hit the "Center to Object" option. The pivot centered itself. Then I hit the GOZ button and brought it into ZBrush. Is that the problem? Do I need to reset XForms or something like that? I'm just confused...

Avanthera

Is the pivot of the pillar 0,0,0?

Zepic

shrew81 wrote: »

Is the pivot of the pillar 0,0,0?

It looks like it shifted up towards the middle of the object. Directly in the center of the piece. Does it have to be exactly 0,0,0?

MisterSande

guys, I have the same issue resetted the pivot point and while "Z" symmetry works fine I cannot get the right "X/Y" Symmetry to work. X and Y stick to the face normals that I am painting on which I do not want. I want them to "mirror" what I draw in the X/Y axis seen from the pivot point.

JohnnyRaptor

if your mesh isnt exported with its center at world center (0,0,0) then you have to use the local symmetry button. doesnt matter about the other subtools above or below. I always work with local symmetry on by default.