readAllFieldNames

Get all available field names from ROS point cloud

Syntax

fieldnames = readAllFieldNames(pcloud)

Description

fieldnames = readAllFieldNames(pcloud) gets the names of all point fields that are stored in the PointCloud2 object message, pcloud, and returns them in fieldnames.

Examples

Read All Fields From Point Cloud Message

Load sample ROS messages including a ROS point cloud message, ptcloud.

exampleHelperROSLoadMessages

Read all the field names available on the point cloud message.

fieldnames = readAllFieldNames(ptcloud)

fieldnames = 1x4 cell
    {'x'}    {'y'}    {'z'}    {'rgb'}

Input Arguments

pcloud — Point cloud

PointCloud2 object handle

Point cloud, specified as a PointCloud2 object handle for a 'sensor_msgs/PointCloud2' ROS message.

Output Arguments

fieldnames — List of field names in PointCloud2 object

cell array of character vectors

List of field names in PointCloud2 object, returned as a cell array of character vectors. If no fields exist in the object, fieldname returns an empty cell array.