Provided by: pcl-tools_1.8.1+dfsg1-2ubuntu2.18.04.1_amd64 

NAME
pcd_viewer - Display point clouds.
SYNOPSIS
pcd_viewer [OPTIONS] filenames ...
DESCRIPTION
Display one or several point clouds.
OPTIONS
-bc r,g,b
background color
-fc r,g,b
foreground color
-ps X
point size (1..64)
-opaque X
rendered point cloud opacity (0..1)
-ax n
enable on-screen display of XYZ axes and scale them to n
-ax_pos X,Y,Z
if axes are enabled, set their X,Y,Z position in space (default 0,0,0)
-cam (*)
use given camera settings as initial view
(*) [Clipping Range / Focal Point / Position / ViewUp / Distance /
Field of View Y / Window Size / Window Pos] or use a <filename.cam>
that contains the same information.
-multiview 0/1
enable/disable auto-multi viewport rendering (default disabled)
-normals 0/X
disable/enable the display of every Xth point's surface normal as lines (default disabled)
-normals_scale X
resize the normal unit vector size to X (default 0.02)
-pc 0/X
disable/enable the display of every Xth point's principal curvatures as lines (default disabled)
-pc_scale X
resize the principal curvatures vectors size to X (default 0.02)
SEE ALSO
Home Page
http://www.pointclouds.org/
AUTHOR
Willow Garage, Inc. and Open Perception, Inc.
PCL(1)