Fixed it. 
svn up
and re-compile.

Garratt

On Fri, 2011-02-11 at 08:20 -0800, Radu Bogdan Rusu wrote:
> 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
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