dynamic draping ignores collision items

jdavison67

I have tried multiple times to get a shirt and skirt to drape over a V4 character.

The skirt seems to work ok but the shirt pokes through no matter what I do.

If I use a smooth modify on the shirt it works but the shirt collides with the skirt beneath, even though I have it set as a collision object.

Any ideas???

JD

Szark

Are you doing an animated Drape?
Are you draping them at the same time or Skirt first and then the top?
Have you got the Full Dynamic Clothing Control of just the Basic that comes with Daz Studio?

I don't have these so I can't play myself. :)

SimonJM

I may have them if you can confirm which items they are.
Also, the two poses look different inasmuch as there looks to be intersection between wrist and skirt in the image on the left but hands/wrists are well clear in the right hand image.

jdavison67

The shirt is the "formal" Dynamic top.

The skirt is the dynamic circle skirt.

Yes in the two images I moved the arms out in the second image thinking the intersecting would occur less if it was further out.

You can see the arms have tons of poke through after draping. I had the smooth modify turned off, thinking that a dynamic cloth which is told to see the V4 arms as collision items, should not need to be push or smooth modified.
i guess I'm wrong about this, but how is this going to act in animation with swinging arms?

note; I am using animated draping over 30 frames
I have the shirt as the top item, yet in the default pose it is already under the skirt.

It starts to pop out of it, but never makes it all the way.

JD

Szark

For any extreme poses it needs an animated drape otherwise you get the result you got.

SimonJM

Ok, let me see what I can find ...!

SimonJM

Ok, got both of those (I thought I had, but had a struggle to track down the Formal product as I seem to have managed to install it to a rubbish location, so thank you I shall be correcting that!)

Any way:
Load Victoria 4
Load Skirt
Load Top
Under Pose tab, Parameters check that both clothing items are 'fit to' Victoria 4 (they do not seem to do so by default).
Under Dynamic Cloth tab ensure that under Layering list Formal is above CircleSkirtKneeLength
Under Pose tab, set Timeline to Frame 25 and with V4 selected apply your final pose, along with any adjustments you want.
Under Dynamic Cloth tab ensure that Cloth actions affect: All Cloth in Scene
Click 'Collide With ...' and in the list find V4's head and click (to deselect head and below) and click Accept
On Timeline set Frame back to 0
In Dynamic Cloth tab ensure Animated drape option is selected and click on Drape.
Wait ... ;)
I get a very little poke-thru in the area of right breast, but I did not get the exact same pose as you.

Once happy, Freeze the Simulation.

Don't add Collision/Smoothing from Edit>Geometry pop-up menu - try and use a D-former to remove any little bits of poke-thru you have that will show up in the render.

jdavison67

Thanks!

This looks pretty good.

What do you mean by freeze the simulation.

You mean pause?

Also I have noticed the nipples poke through no matter what.

Is this normal?

What deformer are you talking about?

Is this a standard shape deformer? like hip width etc???

JD

jdavison67

I found something that helped.

In my picture I noticed this was unchecked.

When I checked it lots of poke through went away.

I also used a push modifier to thicken the shirt, which eliminated poke through on the arms post drape, as the shirt had no dials to deform it with.

jdavison67

Final result.

SimonJM

On the Dynamic Control tab there is a 'context menu' on the top right, click on that and select Freeze Simulation. What that will do is take your current drape result and run through the naimation again, but this time converting each item of Dynamic Clothing to an object and making each change to the clothing in each frame of the animation a morph.
Once you have done that the dynamic clothing is no longer dynamic - it is a static object and if you change the pose of the underlying figure the clothing will not follow (in this case just delete the object, reload the DC item and redo the drape).
D-formers are a 'special' feature that allow you to adjust the geometry of a mesh - worth looking in to as they are very handy for fixing stuff like the dread "nipple poke-thru" - and I am not sure abot others but yes, it happens a lot to the stuff I do mainly, I think, down to how the draping process works, with the two colliding meshes being compared at the vertex level: which is why dc items fall through low poly count figures.

Szark

Here are visual references the add to what Simon said

jdavison67

This is great!

I'm sure you helped more than just myself with this post.

Thanks all!

JD