Nick,


On 02/11/2011 03:39 AM, nick weldin wrote:
> Hi
>
> I am trying to get the impromtu_buttons up and running. I am new to ROS so am finding my way.
>
> I am using a clean install of ubuntu 10.4
>
> Installed using the recently amended instructions to account for eigen3 issues and everything succesfully builds. I
> paste the three commands into separate terminal windows in the order they are listed on the projects web page and get
> the following message
>
> finding normals took:  7.71848  for 307200 indices.
> segmentNorms took:  0.091208  for 891 indices.
> cluster 0  has 78
> cluster 1  has 180
> cluster 2  has 49
> cluster 3  has 139
> cluster 4  has 97
> cluster 5  has 37
> chose cluster 1  with 180
> buttons: /home/nick/kinect_demos/ros-geometry/eigen3/include/Eigen3/src/Core/MatrixStorage.h:67:
> Eigen3::ei_matrix_array<T, Size, MatrixOptions, 16>::ei_matrix_array() [with T = float, int Size = 4, int MatrixOptions
> = 0]: Assertion `(reinterpret_cast<size_t>(array) & 0xf) == 0 && "this assertion is explained here: "
> "http://eigen.tuxfamily.org/dox/UnalignedArrayAssert.html" " **** READ THIS WEB PAGE !!! ****"' failed.
> /opt/ros/cturtle/ros/bin/rosrun: line 35:  3498 Aborted                 $exepath "$@"

This problem has been explained many times, and a quick search in our mailing archive would give you the solution. ;)

Cheers,
Radu.
--
http://pointclouds.org