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[Anton Gladky <gladky.anton@xxxxxxxxx>]

Sorry, I had no time to check it yet.
But I tried to start ./examples/regular-sphere-pack script. There are also
some clumps.
Several clumps merely disappear after first simulation step.

I had the same weird behavior previously, while eigen was in testing
stage.

______________________________


Anton Gladkyy


2010/5/13 Václav Šmilauer <eudoxos@xxxxxxxx>

> I just tried with scripts/test/clump.py and got no weird effects.
>
> Running
>
> O.bodies.appendClumped([utils.sphere((0,0,0),1),utils.sphere((0,0,2),1)])
> print O.bodies[2].state.mass, O.bodies[2].state.inertia,
> O.bodies[2].state.pos, O.bodies[2].state.ori
>
> gave me this with eigen:
>
> 8377.58040957
> Vector3(11728.612573401895,11728.612573401895,3351.0321638291125)
> Vector3(0,0,1) Quaternion((1,0,0),0)
>
> and this with wm3:
>
> 8377.58040957
> Vector3(3351.0321638291116,11728.612573401895,11728.612573401895)
> Vector3(0,0,1)
>
> Quaternion((0.57735026918962584,0.57735026918962584,-0.57735026918962584),2.0943951023931957)
>
> so it only seems as difference in the ordering of principal axes (didn't
> check by hand, but it looks so)
>
> I should make one that I compute by hand and check it.
>
> --
> Clumps+Eigen problem
> https://bugs.launchpad.net/bugs/577581
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in Yet Another Dynamic Engine: New
>
> Bug description:
> Clumps are working strangely with Eigen library. Part of them disappear,
> some of them behave wrongly.
>
> It can be seen in ./examples/regular-sphere-pack and ./examples/buldozer
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/yade/+bug/577581/+subscribe
>

-- 
Clumps+Eigen problem
https://bugs.launchpad.net/bugs/577581
You received this bug notification because you are a member of Yade
developers, which is subscribed to Yade.

Status in Yet Another Dynamic Engine: New

Bug description:
Clumps are working strangely with Eigen library. Part of them disappear, some of them behave wrongly.

It can be seen in ./examples/regular-sphere-pack and ./examples/buldozer