In case anyone is interested in contributing to bullet debugging work, a
recommended starting world configuration is the
gazebo/gazebo-svn/worlds/simpleshapes.world that gets pulled into the gazebo
package during build.
Thanks,
John

On Mon, Mar 15, 2010 at 7:01 PM, John Hsu <johnhsu@willowgarage.com> wrote:

> Hello,
>
> simulator_gazebo-1.1.0  has been released into latest.  This is a
> development release it is recommended for users to keep using the 1.0
> branch in boxturtle.  If you are wondering see
> http://www.ros.org/wiki/StackVersionPolicy
>
> The primary motivation of this release is a major rework of Gazebo's
> underlying data structures (THANKS to Nate for his hard work in making this
> happen!).  With this release, we are again near the latest svn revision of
> the Gazebo project.  Some of the changes include:
>
>    - loading of visual or collision mesh using assimp (enabling collada
>    .dae meshes, no kinematics yet).
>    - major rework of the physics portion to allow users the option of
>    using Bullet or ODE as the physics/constraint solver.  Though expect
>    debugged/working worlds with very simple setups only when using Bullet at
>    this time.
>    - support GPU shader (experimental per pixel lighting, normal maps for
>    Ogre 1.7).
>    - gazebo::Body updates using callbacks.
>    - some gui interface improvements:
>       - you'll have to hold on to the control key while mouse-click-drag
>       to modify Model pose or external forces on Bodies, other wise
>       mouse-click-drag simply adjusts view camera pose.
>       - Model list and information now on the left side of the gui window.
>
> pr2_simulator 1.0.2 release allows for compatibility with simulator_gazebo
> 1.1.  In particular, macro gates such as:
> #if GAZEBO_MAJOR_VERSION == 0 && GAZEBO_MINOR_VERSION >= 10
>     sim_start_  = Simulator::Instance()->GetSimTime().Double();
> #else
>     sim_start_  = Simulator::Instance()->GetSimTime();
> #endif
> allowing the plugin codes to be compatible with both simulator_gazebo
> pre-1.1 and 1.1 release.
>
> If you are interested in the details feel free to take a look at the code.
> Feedback is always appreciated.
>
> John
>
> For the full changelist see
> http://www.ros.org/wiki/simulator_gazebo/ChangeList and
> http://www.ros.org/wiki/pr2_simulator/ChangeList
>
>