title: Can't understand the PCL sample point clouds(.pcd) without header
body: <p>I am working with point clouds and using PCL. I read about the .pcd file format from: </p>
  
  <p><a href="http://pointclouds.org/documentation/tutorials/pcd_file_format.php" rel="nofollow noreferrer">http://pointclouds.org/documentation/tutorials/pcd_file_format.php</a></p>
  
  <p>The above link mentions that every .pcd file contains a header and yet I have come across many .pcd files that have no header. Yet the pcl reader is able to read the file correctly. But i can't make sense of the fields in the file without header. For example, have a look at this file:</p>
  
  <p><a href="https://i.stack.imgur.com/cqQoK.jpg" rel="nofollow noreferrer">https://i.stack.imgur.com/cqQoK.jpg</a>
  I know the first 3 fields represent xyz cooridnates but what are the other five fields. </p>