Attribute functions, Buffer management functions – National Instruments Image Acquisition Software User Manual

Page 19

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Chapter 2

Software Overview

NI-IMAQ User Manual

2-6

©

National Instruments Corporation

Attribute Functions

Use attribute functions to examine and change NI-IMAQ or camera
attributes.

imgGetAttribute

Returns an attribute for an interface or
session.

imgGetCameraAttributeNumeric

Gets the value of numeric camera
attributes.

imgGetCameraAttributeString

Gets the value of camera attributes.

imgSessionGetLostFramesList

Gets information about frames that were
overwritten during a continuous
acquisition.

imgSetAttribute

Sets an attribute for an interface or
session.

imgSetCameraAttributeNumeric

Sets the value of numeric camera
attributes.

imgSetCameraAttributeString

Sets the value of camera attributes.

Buffer Management Functions

Use buffer management functions to set up objects such as buffer lists and
buffers.

imgCreateBuffer

Creates a user frame buffer based on the
geometric definitions of the associated
session.

imgCreateBufList

Creates a buffer list that is passed to

imgSessionConfigure

.

imgDisposeBuffer

Disposes of a user frame buffer.

imgDisposeBufList

Purges all image buffers associated with
this buffer list.

UM.book Page 6 Monday, July 13, 1998 9:49 AM

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