Maya and some Particles being seen through object Help

[m***@hhmmy.nope.com]

I have particles flowing down a pipe which works well but every so often you can see a particle through the pipe
it doesn't come through you can just see it. I've done what the book said but I' still having probems

This is what I did
Avoid unexpected particle penetration of geometry

In repeated or numerous collisions, particles might pass through the geometry because of insufficient collision detection sensitivity. You can increase sensitivity to avoid this problem.
To adjust the collision detection sensitivity

1. Select the particle object.
2. In the Attribute Editor's Collision Attributes section, increase Trace Depth.

The Trace Depth sets the maximum number of collisions Maya can detect for the object in each animation time step. For instance, with a setting of 2, Maya checks twice in a frame. Any more than two collisions are ignored and the subsequent particles penetrate. Increasing the setting increases processing.


I'm still have problems though

[t***@vizije.hr]

probabili problem is that Your particle radius is bigger then surface
thickness. Particles colision point is PARTICLE CENTER, not it's boundary.

For example: if You have plane, and some particles (that are not points)
that colide with that plane, You will be able to see particles penetrating
plane.
Make another plane that will act as coliding surface and move it from
'rendering' plane at least by max. particle radius.

tom

Post by m***@hhmmy.nope.com
I have particles flowing down a pipe which works well but every so often

you can see a particle through the pipe

Post by m***@hhmmy.nope.com
it doesn't come through you can just see it. I've done what the book said

but I' still having probems

Post by m***@hhmmy.nope.com
This is what I did
Avoid unexpected particle penetration of geometry
In repeated or numerous collisions, particles might pass through the

geometry because of insufficient collision detection sensitivity. You can
increase sensitivity to avoid this problem.

Post by m***@hhmmy.nope.com
To adjust the collision detection sensitivity
1. Select the particle object.
2. In the Attribute Editor's Collision Attributes section, increase Trace Depth.
The Trace Depth sets the maximum number of collisions Maya can

detect for the object in each animation time step. For instance, with a
setting of 2, Maya checks twice in a frame. Any more than two collisions are
ignored and the subsequent particles penetrate. Increasing the setting
increases processing.

Post by m***@hhmmy.nope.com
I'm still have problems though