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IDProjectCategoryView StatusDate SubmittedLast Update
0001342opensim[REGION] Physics Enginespublic2008-05-21 00:042011-08-07 00:50
Assigned To 
PlatformOperating SystemOperating System Version
Product Version 
Target VersionFixed in Version 
Summary0001342: sitting pose is not correct when sitting on a box
Descriptionthe sitting pose is not correct when sitting on a box.
pls check the captured picture.
TagsNo tags attached.
Git Revision or version number
Run Mode Grid (Multiple Regions per Sim)
Physics EngineODE
Script Engine
EnvironmentMono / Linux32
Mono Version
Attached Filesrar file icon 2.rar [^] (608,322 bytes) 2008-05-21 00:19
jpg file icon Broken pos.JPG [^] (21,821 bytes) 2008-05-22 06:30

- Relationships
related to 0001366confirmed sitting facing to the hill when sitting on tali ground 

-  Notes
rjs (reporter)
2008-05-21 10:02

Easily verifiable. Avatars are hovering over the sit object. Depending on the object size, the avatar may hover just over the object (cube). On large objects the range increases with the prim size and the avatar may have it's head in the clouds on sit.
simsim (reporter)
2008-05-21 23:45
edited on: 2008-05-21 23:46

Here is not relation with object size because the size of this object is small.It is also far from the clouds.

when a avatar is sitting on a box,his BUTT of the avatar's body should touch the side of this box as same as the pose when sitting on a ground.But,now he just seems sitting on a desk.

mirceakitsune (reporter)
2008-05-22 06:30

Can confirm. This also happens when sitting on a normal 0.5 x 0.5 x 0.5 box. Also don't forget other prim types too, such as cylinders, spheres, etc... look in my attachment what happens when I sit on a sphere.
mirceakitsune (reporter)
2008-10-17 09:13

Still happens in rev 6880 when creating a sphere and sitting on it. Opensim attempts to sit the avatar accordingly to the sphere's rotation on the top of the sphere, so if the prim is rotated it sits you wherever it faces at considering that's the top of the prim you must sit on. A correct implementation would be to sit on the real / current top of the sphere that is the most upper part, no matter how it's oriented or rotated. Of course unless there's a llSetSitTarget script in the prim.
simsim (reporter)
2009-09-28 02:09

same result

tested by R.O.B.U.S.T modle
commit 42746e99bdad71f81c9693d8638ffdf6bc3dd87a
Author: Melanie <>
Date: Sun Sep 27 23:02:40 2009 +0100

Viewer:Second Life 1.22.11 (113941) Mar 6 2009 12:50:02 (Second Life Release)
makopoppo (manager)
2011-08-07 00:50

In 0.7.2-dev, sitting position has been almost fixed, but still avatar sits on the air above the box.

- Issue History
Date Modified Username Field Change
2008-05-21 00:04 simsim New Issue
2008-05-21 00:04 simsim SVN Revision => ver 4688
2008-05-21 00:04 simsim Run Mode => Grid (Multiple Regions per Sim)
2008-05-21 00:04 simsim Physics Engine => ODE
2008-05-21 00:04 simsim Environment => Mono / Linux32
2008-05-21 00:08 simsim Summary there is a gap between avatar and prim when POS physics => sitting pose is not correct when sitting on a box
2008-05-21 00:19 simsim File Added: 2.rar
2008-05-21 10:02 rjs Note Added: 0002345
2008-05-21 23:45 simsim Note Added: 0002370
2008-05-21 23:46 simsim Note Edited: 0002370
2008-05-22 06:30 mirceakitsune File Added: Broken pos.JPG
2008-05-22 06:30 mirceakitsune Note Added: 0002380
2008-05-22 06:30 mirceakitsune Status new => confirmed
2008-05-22 22:52 rjs Relationship added has duplicate 0001366
2008-05-23 01:44 simsim Relationship deleted has duplicate 0001366
2008-06-03 00:50 rjs Relationship added related to 0001366
2008-10-17 09:13 mirceakitsune Note Added: 0006259
2009-09-28 02:09 simsim Note Added: 0013650
2011-08-07 00:50 makopoppo Note Added: 0019421

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