Dforce items are exploding...

wildbillnash

I had it working for months but recently my items are exploding when I use the "Start Bones from Memorized Pose" turned on. The reason I have it on I pose my models on a chair or floor. Because of the dress, for instance, would be going through the floor, I would create a plane primitive with 50 divisions. I pose the model on it and think click the similation button. Now, before someone ask, I make invisible any dforce items in the scene, and sometimes a few other things as well. The only thing I have on the screen is the model sitting on the plane. I click similation and watch the process. The model first attempts to stand straight in its neutral pose (I saw attempt because just about always she leaning to one side...once she was upside down with only her feet above the plane). This last time I watch it go through the process and at 91%...BOOM!

I'm getting tired of this. Currently I'm using DS 4.16, though I did download the updated 4.20 this morning but for some reason it didn't install. 

The similation will work correctly if I turn off "Start Pose from Memorized Pose". But that will put some of the dress under the floor. Any ideas what's going on?

Gordig

From your description, it sounds like the dress, or even the model itself, is sticking through the plane, which could be causing it. I'd recommend using a proper animation rather than starting from memorized pose, but you should also hide the dress and look underneath the plane to see if you can see any part of the figure. 

Spacious

If the dress sims fine starting from the pose and already sitting on the chair, which is in itself kind of unusual, maybe try animating the floor instead.

wildbillnash

Gordig, the model sticking through the plane may be it. I try to make sure it looks real by pushing them through so it looks like their sitting, not just floating a quarter of an inch off of it. I'll have to try it again.

Spacious, how do you animate a plane?

Both of you, speaking of animation, what is proper animation? All I know is simulation.

Also, how come when I start at the memorized pose the figure is tilted, or even upside down?

Thanks for the info, both of you. I'll see if I can figure it out.

Spacious

To animate a plane, or really anything simple, i would just use the animate-lite timeline or whatever it's called.  It's found on tab at the bottom of the standard layout.  You just go to the first frame and translate/pose the object or figure how you want it to start and then click on whatever frame and translate/pose again.  DAZ will interpolate/animate movement smoothly between the two frames.  This method is not great for more complex animations, but perfect for simple stuff like moving a chair or plane.

The reason that the memorized pose is sideways or even upside down is usually because the pose that you're transitioning to has the hip bone of the figure rotated to upside down or sideways.  Some poses, especially free ones you might find somewhere will even cause a figure to spin around several times on the way.  It's actually quite fun to watch, and can get you some really cool Dforce effects.

wildbillnash

So, Spacious, the hip-bone may not be connected to the leg-bone. Wow, never heard of that situation with the hip-bone. But it does make sense. The problem seems to be with the poses I created. So I guess I have to figure out what I did wrong. Thanks for the info.

BTW, Gordig, your suggestion about a body part sticking through my plane seems to have been spot-on. I redid the pose again with the figure a couple of inches above the plane and it worked. Now I have a floating image of my model . Thanks for the help, you two. 

deadgemini_db6f21ea56

Not sure if wildbillnash's issue has been resolved, but I seem to be experiencing a similar, albeit slightly differing, issue with Dforce recently. Literally every Dforce item I use, those built with it and those I've converted myself, explode. The conditions of the scene don't matter ... animated via timeline, started from memorized pose, or even just standing still for a simple drape. The only time an item will successfully complete the process is if the Collision Mode is set to "Better" ... which, of course, more often than not, yields less than adequate results. Any time the Collision Node is set to "Best" .. the item explodes, without fail, no matter the item type or collision object.

I've attempted a wide spectrum of things to circumvent the issue, but nothing seems to have any positive effect. The best I've been able to manage is to get the simulation to almost 50% before it goes "boom". I've even revisited older scenes that contain Dforce items that were successfully draped ... reran the simulation and they exploded. The only situation in which I can get a successful simulation is a simple cloth plane over a sphere.

I'm fairly certain it has something to do with a version conflict. I run an AMD machine (CPU and GPU), but I'm not certain that the issue began after any particular update since there were a couple of updates done while I was taking a hiatus from Daz. I run Daz version 4.12.1 and am uncertain if I can actually update it much, if any, further. I use Reality to bridge my renders to Lux, and I don't believe it will be recognized by a newer version of Daz.

If anyone has any insight, I'd be more than happy to hear it.

Thanks in advance!

Cheers

Spacious

deadgemini_db6f21ea56 Sounds like you may want to look into updating drivers for whichever device is actually calculating the dForce sim.