OpenSnapshotStream
This is a ROS service definition.
Source
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# Open a snapshot stream.
#
# Request
# topic_name: (optional) snapshot stream location
# parameters: used to configure the contents/rate of the stream
#
# Response
#
# topic_name: the topic created for the snapshot stream
#
# Note: if the topic_name is not provided the service is expected to
# create and return a dynamically created snapshot stream on a hidden
# topic (the topic name will be returned in the response).
#
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string topic_name
SnapshotStreamParameters parameters
---
string topic_name