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National Instruments Image Acquisition Software Attribute Functions, Buffer Management Functions

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Chapter 2 Software Overview

NI-IMAQ User Manual 2-6

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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.

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Contents

Main Page Important Information Warranty Copyright Trademarks WARNING REGARDING MEDICAL AND CLINICAL USE OF NATIONAL INSTRUMENTS PRODUCTS Contents About This Manual Chapter 1 Introduction to NI-IMAQ Chapter 2 Software Overview Page Figures Tables About This Manual How to Use the NI-IMAQ Manual Set Organization of This Manual Conventions Used in This Manual National Instruments Documentation Related Documentation Customer Communication Introduction to NI-IMAQ About the NI-IMAQ Software Application Development Environments Fundamentals of Building Applications with NI-IMAQ The NI-IMAQ Libraries Creating an Application Sample Programs Software Overview Generic Functions High-Level Functions Snap Functions Grab Functions Ring and Sequence Functions Signal I/O Functions Miscellaneous Functions Low-Level Functions Acquisition Functions Attribute Functions Buffer Management Functions Interface Functions Utility Functions Programming with NI-IMAQ High-Level Functions Low-Level Functions Establishing Interface Connections and Sessions Interface Functions Session Functions Managing Buffers Camera Attributes NI-IMAQ Status Signals Introductory Programming Examples High-Level Snap Functions High-Level Grab Functions The hlgrab.c example demonstrates how to perform a grab using High-Level Sequence Functions High-Level Ring Functions Page High-Level Signal I/O Functions Advanced Programming Examples Performing a Snap Using Low-Level Functions Performing a Grab Using Low-Level Functions Performing a Sequence Acquisition Using Low-Level Functions Performing a Ring Acquisition Using Low-Level Functions StillColor Snap Programming Page A StillColor StillColor StillColor Composite Traditional Color Decoding Page Page Why StillColor? Composite Color Acquisition StillColor RGB RGB Color Acquisition Introduction to Color Page Image Representations RGB Color Planes Hue, Saturation, Luminance, and Intensity Planes 32-Bit HSL and HSI B Customer Communication Electronic Services Bulletin Board Support FTP Support Fax-on-Demand Support Telephone and Fax Support Country Telephone Fax Technical Support Form NI-IMAQ Hardware and Software Configuration Form National Instruments Products Other Products Documentation Comment Form Title: Edition Date: Part Number : Mail to: Technical Publications Fax to: Technical Publications Glossary Numbers/Symbols A B C D E F G H I K L M N O P R S T U V W Y Index A B C D F G H I L M N P R S T U V W