PointCloudLibrary/pcl — pull request #684 by j-oberlaender (2014-05-20 09:46:09+00:00)
Title: Document the fields in pcl::PCLHeader.

Especially the interpretation of the timestamp field is important.

I had to guess the semantics of the timestamp field from `pcl::ImageGrabberBase::ImageGrabberImpl::getTimestampFromFilepath()`, it does not appear to be documented anywhere.