assertion on unaligned arrays

[Tariq-Abuhashim]

Compiled using catkin_make:
compiler is gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609

when running the example:
./devel/lib/depth_clustering/show_objects_moosmann --path data/scenario1/

Result is:
INFO: Reading from: data/scenario1/
INFO: running on Moosman data
INFO: Getting file paths from folder: data/scenario1/
INFO: There are 2513 '.png' files in the folder.
INFO: Getting file paths from folder: data/scenario1/
INFO: There are 1 'img.cfg' files in the folder.
INFO: Set en_US.UTF-8 locale.
INFO: Reading config.
INFO: Skipping commentary:
# imgHSize; imgVSize; horizStartAngle(grad); horizStopAngle(grad); vertAngle_1; vertAngle_2; ...; vertAngle_n
start:180.000000, stop:-180.000000, span:360.000000, step:-0.413793
INFO: Params sucessfully read. Rows: 64, Cols: 870

Setting Connection
|| Sender: DepthGroundRemover (id: 1)
|| Type: STREAMER
|| |
|| V
|| Client: ImageBasedClustere<(short)1, (short)1> > (id: 3)

Setting Connection
|| Sender: ImageBasedClustere<(short)1, (short)1> > (id: 3)
|| Type: STREAMER
|| |
|| V
|| Client: ObjectPainter (id: 4)

show_objects_moosmann: /usr/local/include/eigen3/Eigen/src/Core/DenseStorage.h:128: Eigen::internal::plain_array<T, Size, MatrixOrArrayOptions, 32>::plain_array() [with T = float; int Size = 16; int MatrixOrArrayOptions = 0]: Assertion `(internal::UIntPtr(eigen_unaligned_array_assert_workaround_gcc47(array)) & (31)) == 0 && "this assertion is explained here: " "http://eigen.tuxfamily.org/dox-devel/group__TopicUnalignedArrayAssert.html" " **** READ THIS WEB PAGE !!! ****"' failed.
Aborted (core dumped)

[Tariq-Abuhashim]

I have fixed this issue.
It turned out that the source isn't compatible with PCL 1.9.
I uninstalled PCL, and used PCL 1.7 shipped with ROS.
I recall also testing it with PCL 1.8 successfully.