shaking body again

[allked]

I've searched the forum and found this link which has the same problem like mine(I think):
viewtopic.php?f=9&t=6974&p=48357&hilit=shake#p48357

I've tried to setup a material with small fricition like this:
NewtonMaterialSetDefaultFriction ( m_world,defaultMaterialID,defaultMaterialID,0.08f,0.04f );
NewtonMaterialSetDefaultElasticity ( m_world,defaultMaterialID,defaultMaterialID,0.04f );
NewtonMaterialSetDefaultSoftness ( m_world,defaultMaterialID,defaultMaterialID,0.05f );
NewtonMaterialSetDefaultCollidable ( m_world, defaultMaterialID,defaultMaterialID, 1 );

still not work, body is shaking,even if I set the gravity to 0,0,0. some of the body can even shake in the air,what would be the problem? thankyou. I don't know how to upload video so this is a gif image to show my problem:

[Julio Jerez]

On that thread the problem was because the objects was landing on a spheres, and spheres by design can only generate one contact.
is that the problem you have?

make a youtube video?

[JoeJ]

Seems there's a large box as ground.
Are those boxes super small, or do they have other extreme values (mass...)?
Do you apply any forces or velocities to them except gravity?
Can you post creation code for a box?

[allked]

Code: Select all

void createBox ( float x,float y,float z,float width,float height,float length,float mass,bool active )
{
   NewtonCollision* collision = NewtonCreateBox ( m_world,width ,height,length,0,NULL );
        omMat mat;
        mat.identity();
        mat.translate(x,y,z);
        NewtonBody* body = NewtonCreateDynamicBody ( m_world,collision,&mat.mat[0] );
   NewtonBodySetMassProperties ( body,mass,collision);
}

createBox ( 0,60,0,4,4,4,4,true ); // I am creating box like this, and the ground is a big box too,with :
createBox ( 0,0,0,50,10,50,0,true ); is the object to small? I tried big value like 100 for a small box,and 1000 for ground,but still shakes with slow falling speed,although a little bit better
ps: How to record video under linux?