To compile bullet with double precision you need to define

-DBT_USE_DOUBLE_PRECISION

We also use
-DBT_EULER_DEFAULT_ZYX

in our ROS build of bullet.

See
https://code.ros.org/svn/ros-pkg/stacks/geometry/tags/geometry-1.2.0/bullet/Makefile.bulletand
https://code.ros.org/svn/ros-pkg/stacks/geometry/tags/geometry-1.2.0/bullet/CMakeLists.txt

Tully


On Wed, Nov 3, 2010 at 8:30 AM, lucaghera <lucaghera8@gmail.com> wrote:

>
> OK,
>
> I builded ogre_tools :)
>
> 1) download 1.7.1 sources
> 2) apply this patch:
> http://www.ogre3d.org/forums/viewtopic.php?f=5&t=59370
> 3) build the sources
> 4) copy the builded lib folder in
> ~/ros/stacks/visualization_common/ogre/ogre/
> 5) rosmake ogre_tools
>
> Otherwise, when i try to build rviz it returns the following output:
>
>
> http://ros-users.122217.n3.nabble.com/file/n1835602/wxprogrig_build_output.log
> wxprogrig_build_output.log
>
> Gazebo instead returns the following output:
>
> http://ros-users.122217.n3.nabble.com/file/n1835602/gazebo_build_output.log
> gazebo_build_output.log
>
> How I can compile bullet in a way that it uses the double precision?
>
> Thank you all!!! :D
> --
> View this message in context:
> http://ros-users.122217.n3.nabble.com/Gazebo-on-MAC-OS-10-6-tp1820916p1835602.html
> Sent from the ROS-Users mailing list archive at Nabble.com.
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-- 
Tully Foote
Systems Engineer
Willow Garage, Inc.
tfoote@willowgarage.com
(650) 475-2827