You were correct.  I had an older pcl sitting around.

However now I'm running into problems with Eigen.  Where should I be grabbing
Eigen to build trunk pcl?

I was getting it from
https://code.ros.org/svn/ros-pkg/stacks/geometry/tags/latest/eigen, but I'm
getting this error:

/home/aarons/ros/pkgs/geometry/eigen/include/Eigen/src/Core/Assign.h:447:
instantiated from ‘static Derived& Eigen::ei_assign_selector<Derived,
OtherDerived, false, false>::run(Derived&, const OtherDerived&) [with Derived =
Eigen::Matrix<float, 3, 1, 2, 3, 1>, OtherDerived = Eigen::Map<const
Eigen::Matrix<float, 3, 1, 2, 3, 1>, 1>]’
  /home/aarons/ros/pkgs/geometry/eigen/include/Eigen/src/Core/Matrix.h:554:
instantiated from ‘Eigen::Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows,
_MaxCols>& Eigen::Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows,
_MaxCols>::_set_noalias(const Eigen::MatrixBase<OtherDerived>&) [with
OtherDerived = Eigen::Map<const Eigen::Matrix<float, 3, 1, 2, 3, 1>, 1>, _Scalar
= float, int _Rows = 3, int _Cols = 1, int _Options = 2, int _MaxRows = 3, int
_MaxCols = 1]’
  /home/aarons/ros/pkgs/geometry/eigen/include/Eigen/src/Core/Matrix.h:408:
instantiated from ‘Eigen::Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows,
_MaxCols>::Matrix(const Eigen::MatrixBase<OtherDerived>&) [with OtherDerived =
Eigen::Map<const Eigen::Matrix<float, 3, 1, 2, 3, 1>, 1>, _Scalar = float, int
_Rows = 3, int _Cols = 1, int _Options = 2, int _MaxRows = 3, int _MaxCols = 1]’

/home/aarons/ros/pkgs/perception_pcl/pcl/src/pcl/range_image/range_image.hpp:878:
 instantiated from here
  /home/aarons/ros/pkgs/geometry/eigen/include/Eigen/src/Core/Assign.h:428:
error: ‘YOU_MIXED_MATRICES_OF_DIFFERENT_SIZES’ is not a member of
‘Eigen::ei_static_assert<false>’

Thanks.

-Aaron

On 02/22/2011 07:55 PM, Radu Bogdan Rusu wrote:
> Aaron,
> 
> I bet what's happening is that your system has different versions of pcl installed (one from debs maybe and one from 
> source - and the debs one is set ahead in your ROS_PACKAGE_PATH?).
> 
> The best thing to do is make sure that roscd pcl and roscd pcl_ros go to the right directories. The code should 
> definitely work. Also, are you on cturtle, unstable, or diamondback?
> 
> PS. As always, pcl-users@ is a better forum for PCL questions as we can archive them and have them consistent in one 
> place. Thanks! :)
> 
> Cheers,
> Radu.
> --
> http://pointclouds.org
> 
> On 02/22/2011 02:48 PM, Aaron Solochek wrote:
>> Is anyone else getting this?  I just checked out the latest perception_pcl
>> stack, and pcl_ros is failing to build:
>>
>>   /home/aarons/ros/pkgs/perception_pcl/pcl_ros/src/pcl_ros/features/boundary.cpp:66: error: request for member ‘setInputNormals’ in ‘((pcl_ros::BoundaryEstimation*)this)->pcl_ros::BoundaryEstimation::impl_’, which is of non-class type ‘int’
>>
>> /home/aarons/ros/pkgs/perception_pcl/pcl_ros/src/pcl_ros/features/boundary.cpp:66:
>> error: ‘normals’ was not declared in this scope
>>
>> /home/aarons/ros/pkgs/perception_pcl/pcl_ros/src/pcl_ros/features/boundary.cpp:69:
>> error: request for member ‘compute’ in
>> ‘((pcl_ros::BoundaryEstimation*)this)->pcl_ros::BoundaryEstimation::impl_’,
>> which is of non-class type ‘int’
>>
>> /home/aarons/ros/pkgs/perception_pcl/pcl_ros/src/pcl_ros/features/boundary.cpp:72:
>> error: request for member ‘header’ in ‘output’, which is of non-class type ‘int’
>>
>> /home/aarons/ros/pkgs/perception_pcl/pcl_ros/src/pcl_ros/features/boundary.cpp:73:
>> error: ‘pub_output_’ was not declared in this scope
>>
>> /home/aarons/ros/pkgs/perception_pcl/pcl_ros/src/pcl_ros/features/boundary.cpp:73:
>> error: request for member ‘makeShared’ in ‘output’, which is of non-class type ‘int’
>>    In file included from
>> /home/aarons/ros/pkgs/common/pluginlib/include/Poco/Manifest.h:44,
>>
>>
>> It's possible my environment is strange, but I can't think of what would be
>> causing this.  Indeed setInputNormals is not a member of the FeatureFromNormals
>> from pcl_ros.  It is in the FeatureFromNormals class in pcl, for whatever that's
>> worth.
>>
>> Any pointers on getting this built would be appreciated.
>>
>> Thanks.
>>
>> -Aaron
>>
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