60 day trial – Human results

jamesj

izze Sounds good.
My comment about the oblique was mostly referring to the form between the red lines that you have drawn, and the pelvic ridge - splitting the muscle geometry to keep that as a separate mass, may help to encourage the shape to "pillow" in a naturalistic way, when the character bends to the left or right.

Cheers!
-jj

izze

I can't believe its been almost a year since my last post. I have been lurking here the whole time, watching others receive great feedback.

I have continued to work on several things over the last nine months or so.
~ I have been refining my character geometry. Working on the overall look and form.
~ I have rebuilt my muscle geometry several hundred times 🙂 Learning from others as they post here.
~ I refined my skeleton geometry in relation to my muscle rebuild. Also grouping the bones differently to help prevent self intersections.
~ I built a volume preservation system similar to the one we use in our studio. I figure this will help when blending back to my base animation in key areas of the model.
~ I created some tools to help with the LOA setup. Creating/Deleting rivets, Storing out LOA setups for rebuilds. Adding some math nodes for excitation multipliers. And more stuff of that nature.
~ And of course I have been working on my texturing and surfacing of my model.

I have requested a second 60 day trial license. I am taking full advantage of the good nature of the Ziva crew. Allowing me to have a second go at a trial license. I hope to be able to get the muscle rig setup fairly quickly, and make some progress on a Fat simulation before the end of the trial.

andy_vs

Hey !

All looking really promising

With the rivet tools, just in case you didn't see it we actually added zRivetToBone in Ziva 1.6. Should be a bit easier to make rivets etc now without the third party scripts.

That anatomical model is really looking great! Looking forward to seeing how the new sims look 🙂

izze

Thanks Andy. I am making some great progress. Hope to have a full body muscle sim to show by end of week. Here is a screen grab of my LOA tool set.

izze

Leg

stanp

HI izze,
Looks cool, i really like secondary motion, would be cool to see fibers behavior = )

izze

I'll try to do another playblast tonight with Fibers. I'm not sure if it is all still moving too much? I like to see the movement, and get lost in the coolness. 🙂 Maybe it still needs to get toned down some more?

jamesj

izze Looking really great!

andy_vs

izze

Better to have too much than too little imo!

izze

Fibers.
I converted my calf muscle attachments to sliding to help with the flex. I'm still trying to dial them in. Making good progress on the torso. I will post that next.

izze

Worked over the holiday weekend and got a workable sim. Everything is still very jiggly. Working on that still.

I was getting a lot of sizzling with my attachments around the torso. Took me a while to track it down. I think Ziva did not like how concave my belly volume was. I modeled it to go around the spine and not intersect. But ended up just letting it intersect to resolve the attachment issue.

jamesj

izze Looking great so far!

Your belly volume issue sounds interesting to me, as I wouldn't expect non-intersecting geometry to sizzle in the way you described.
If you still have the scene that exhibits the issue, would you either be willing to share it, or take some screen grabs with all of the debug drawing visible?
(Usually the kind of sizzling behaviour you described happens when you have collisions that fight against attachments, and or due to having not enough degrees of freedom - meaning not having enough tetrahedra in your tet mesh to resolve the demands of the attachments, collisions, gravity and any other forces that might act on it.)

Cheers!
-jj

mray

Wow! What a productive weekend .. looking really good!

izze

Hey James. I went back to my scene file to get a playblast and screen grabs. But Maya kept locking up on me. There might be something else wrong with that scene file. I can tell you that while I was trying to troubleshoot the issue over the weekend, I spent some time rebuilding each attachment to the belly volume. Each new attachment would seem to be stable and the sizzle would move to a different attachment. I kept chasing the issue from one attachment to another. Then I decided to delete all attachments to the belly volume. I took the belly volume geo into Zbrush. Smoothed it out as much as I could. Then re-created attachments to that geo from scratch.

I never changed the point order of the geometry. So I assumed it had something to do with the volume of the geo. It's one of those issues that was hard to track down. But all muscles that were attached to this piece of geometry showed signs of sizzle. I wont be able to get back to my computer for a few days. I will try to bring this geometry into a clean scene and see if I can recreate the issue.

jamesj

izze No worries!
Glad to hear you managed to overcome your issue.
I was just curious about the cause. 🙂

Great progress thus far!
-jj

andy_vs

izze

Were most of your attachments sliding attachments by any chance?

izze

Yes. All the attachments that seemed to be an issue were sliding attachments.

mikeporetti

its looking really nice so far! may i ask why you chose to create the breasts with muscle? why not sim this in the fat pass?

izze

Hey Mike. Thanks for the kind words. I believe it is pretty accurate anatomically. And a tissue gives me a lot of control over the movement in that area. It's not functioning as a muscle really since there are not fibers on that tissue.

mikeporetti

very cool man cant wait for the final!

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