CompareGoldenTemplate Method
From NI Vision for Visual Basic
CompareGoldenTemplate Method
Syntax
CWIMAQVision.CompareGoldenTemplate InspectionImage, Template, Alignment [, Options ] [, BrightDefects] [, DarkDefects]
Return Type
On success, this method returns 0. On failure, this method returns a negative number.
Purpose
Compares a template image to an inspection image at a specified alignment.
Remarks
Use one of the following methods of configuring the template image you want to use with this method:
- Load a previously saved template image that you created using the NI Vision Template Editor using CWIMAQVision.ReadImageAndVisionInfo.
- Use the LearnGoldenTemplate method to learn the golden template image.
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Note To use the NI Vision Template Editor to configure a template image, click Start»All Programs»National Instruments»Vision»Template Editor.
Use this method with U8 images. ParametersInspectionImage As CWIMAQImage The image to inspect. Template As CWIMAQImage The golden template to compare against the inspection image. Alignment As CWIMAQInspectionAlignment The location within the inspection image where the template image is located. Options As CWIMAQInspectionOptions [Optional] A CWIMAQInspectionOptions object that specifies the options to use for comparison. BrightDefects As Variant [Optional] A reference to the destination Image for bright defects, or both kinds of defects if the same image is also passed to DarkDefects. DarkDefects As Variant [Optional] A reference to the destination Image for dark defects. See Also |