National Instruments IMAQTM User Manual

Page 4

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IMAQ Vision for Visual Basic User Manual

Contents

About This Manual

Conventions ...................................................................................................................ix
Related Documentation..................................................................................................x

Chapter 1
Introduction to IMAQ Vision

About IMAQ Vision ......................................................................................................1-1
Documentation and Examples .......................................................................................1-1
IMAQ Vision for Visual Basic Organization ................................................................1-2

cwimaq.ocx......................................................................................................1-3

CWIMAQ Control ............................................................................1-3
CWIMAQVision Control..................................................................1-3
CWIMAQViewer Control.................................................................1-3

niocr.ocx ..........................................................................................................1-4

NIOCR control ..................................................................................1-4

cwmv.ocx.........................................................................................................1-4

CWMachineVision control ...............................................................1-4

ActiveX Objects ..............................................................................................1-5

Creating IMAQ Vision Applications .............................................................................1-5

Chapter 2
Getting Measurement-Ready Images

Set Up Your Imaging System ........................................................................................2-1
Calibrate Your Imaging System ....................................................................................2-2
Create an Image .............................................................................................................2-2
Acquire or Read an Image .............................................................................................2-4

Acquiring an Image .........................................................................................2-4

One-Shot Acquisition........................................................................2-4
Continuous Acquisition.....................................................................2-5

Reading a File..................................................................................................2-6
Converting an Array to an Image ....................................................................2-6

Display an Image ...........................................................................................................2-6
Attach Calibration Information......................................................................................2-7
Analyze an Image ..........................................................................................................2-7

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