/usr/include/ossim/point_cloud/ is in libossim-dev 2.2.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/ossim/point_cloud/ossimGenericPointCloudHandler.h
/usr/include/ossim/point_cloud/ossimPointBlock.h
/usr/include/ossim/point_cloud/ossimPointCloudGeometry.h
/usr/include/ossim/point_cloud/ossimPointCloudHandler.h
/usr/include/ossim/point_cloud/ossimPointCloudHandlerFactory.h
/usr/include/ossim/point_cloud/ossimPointCloudHandlerRegistry.h
/usr/include/ossim/point_cloud/ossimPointCloudImageHandler.h
/usr/include/ossim/point_cloud/ossimPointCloudImageHandlerFactory.h
/usr/include/ossim/point_cloud/ossimPointCloudSource.h
/usr/include/ossim/point_cloud/ossimPointCloudUtilityFilter.h
/usr/include/ossim/point_cloud/ossimPointRecord.h