User`s guide

5 Acqu iring Image Data
4 Start the image acquisition object —Callthestart function to start
the image acquisition object.
start(vid)
The object is running but not logging any data.
isrunning(vid)
ans =
1
islogging(vid)
ans =
0
The hardware begins m onitoring the trigger sou rce for the spec ifi ed
condition. When the condition is met, the hardware executes a trigger
and begins p roviding image frames to the object. The object acquires the
number o f fram es specified by the
FramesPerTrigger property. View the
value o f the
FramesAcquired property to see how much data was acquired.
The object updates the value of this property as it acquires data.
vid.FramesAcquired
ans =
5
After it executes the trigger and acquires the specified number of fram es,
the video input object stops running.
isrunning(vid)
ans =
0
To execute another hardware trigger, you m ust first restart the video input
object. Note that this deletes the frames acquired by the first trigger. To
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