User`s guide

Configuring Image Acquisitio n Object Properties
Configuring Image Acquis ition Object Properties
In this section.. .
“About Image Acquisition Object Properties” on page 4-17
“Viewing the Values of Object Properties” on page 4-18
“Viewing the Value of a Particular Property” on page 4-20
“Getting Information About Object Properties” on page 4-21
“Setting the Value of an Object Property” on page 4-21
About Image Acquisition Object Properties
The v ideo inp ut object and the video source object both support properties that
enable you to control characteristics of the video image and how it is acquired.
The video input object properties control aspects of an acquisition that are
commontoallimageacquisitiondevices. For example, you can use the
FramesPerTrigger property to specify the amount of data you want to acquire.
The video source object properties control aspects of the acquisition associated
with a particular source. The set of properties supported by a video source
object varies with each device. For example, some image acquisition devices
support propertie s that enable you to control the quality of the image being
produced, such as
Brightness, Hue,andSaturation.
With either type of object, you can use the same toolbox functions to
• View a list o f all the properties supported by the object, with their current
values
• View the value of a particular property
• Get info rmation about a property
• Set the value of a property
4-17