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Poser 12 F.A.Q (Last Updated: 2024 Oct 22 2:54 pm)



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Subject: Zbrush GOZ and details


lsauvage ( ) posted Fri, 26 March 2021 at 7:56 AM · edited Sun, 17 November 2024 at 1:59 PM

It may be more a zbrush question but i'm sure most of poser user uses zbrush. i bought a 3dscan and want to work on it then GOZ to poser.

When i do that, the details are gone. My scan only has polygons, no normals map or bump map.. its not with subdivision just a raw obj. it tried to uncheck smooth polygon.

I cant find how to prevant decimation / smoothing to happen.

image.pngimage.png

image.pngimage.png

feel like i'm a monkey with super tools :-(

thanks for your help.

Ludovic


lsauvage ( ) posted Fri, 26 March 2021 at 8:13 AM

to be more precise : if i work on material and light its better. But the raw goz obj seems to be smoother, and preview show less details even with better light. image.png


AmbientShade ( ) posted Fri, 26 March 2021 at 5:22 PM

Edit > General Preferences > Crease Angle. Experiment with that number, it's set to 80 by default.



DCArt ( ) posted Fri, 26 March 2021 at 6:28 PM · edited Fri, 26 March 2021 at 6:32 PM

Is it Poser or ZBrush that is decimating the OBJ?

I would suspect that a raw scan would be way too many polygons for Poser to handle (they are usually in the millions). And typically when you reduce the polygon count in ZBrush (either by manually or automatically retopologizing the high res mesh), normal maps are created by projecting the high resolution details on the low resolution mesh.

It might help if we know more details about the scanned object (how many polygons, etc) and which app is doing the decimation

This typically won't be something that would be handled with GoZ, because that is usually a round-trip function (Go Z out from Poser to ZBrush, and then GoZ back from ZBrush to Poser). The most likely approach would be to import the low resolution version OBJ into Poser and save it as a prop (since it's in a non-standard pose that will be your only choice, it won't be posable). Then you export the normal maps that are generated in ZBrush and apply them in the Material room to get your higher resolution detail.



AmbientShade ( ) posted Fri, 26 March 2021 at 7:16 PM

You can send a model from ZBrush directly to Poser without it coming from Poser first, just need Poser to be the active app in Zbrush's GoZ menu. It won't have groups (tho Poser will read ZBrush polygroups and assign random numbers to the group names, which you can change via the grouping tool if you want).

Normals require UV maps first, which he said it doesn't have, but that would be the more appropriate way of handling this.



lsauvage ( ) posted Sat, 27 March 2021 at 4:52 AM

Hi. Thank you. I figured it out with your help :

Unchecking smooth polygon on a prop is bugged it does nothing at all with superfly... I will fill a bug report for it.

the-bug.png

putting the angle to 0 in general preference or in the prop prpperties does the job. the prop has Pose 09 200006 polys 99999 verts the exact same amout than in Zbrush, its ok, there is no decimation, just smoothing.

crease-angle-0-smooth-on.png

Have a nice day !

Ludovic.


lsauvage ( ) posted Sat, 27 March 2021 at 5:00 AM · edited Sat, 27 March 2021 at 5:01 AM

image.pngimage.png


hborre ( ) posted Sat, 27 March 2021 at 9:27 AM

IIRC, the Poser manual specifically states that the Smooth polygons feature is not supported in Superfly.


Azath ( ) posted Sat, 27 March 2021 at 11:36 AM

you can Import your model to Blender, go into edit mode and hit Alt-J now you can click on smooth Vertex. If you want more smoothness on a rather low Obj just subdivide and smooth it again, depending on your mesh if it falls apart when smoothing you will need to "remove doubles" first. after this step just save a new Obj and Import it into poser you now should have a neat and smooth Prop . Note when Hitting Alt-J set the option to Compare UVs avoiding it to get messed up.

This would be an easy Free and fast Fix for your Issues


DCArt ( ) posted Mon, 29 March 2021 at 1:03 AM

Smooth Polygons is a Firefly feature only. SuperFly uses polygon subdivision, which you can find in the Properties panel.



lsauvage ( ) posted Mon, 29 March 2021 at 4:53 AM

Hi all, Yes smooth polygon works also in Superfly and smooth the thing. What does not work is the ckeck box to remove it.

To make it clearer for every one.The way to remove smoothing, is to put the angle to 0.

crease-angle-0-smooth-on.pngcrease-angle-80-smooth-off.png


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