LearnColorPattern Method

NI Vision for Visual Basic

LearnColorPattern Method

Syntax

CWIMAQVision.LearnColorPattern Pattern, LearnColorPatternOptions

Return Type

Long

On success, this method returns 0. On failure, this method returns a negative number.

Purpose

Creates a description of the color template image for which you are going to look during the color pattern matching stage. This description data is appended to the input color template image. During the color pattern matching step, the color template descriptor is extracted from the color template image and used to search for the template in the color match image.

Remarks

Use this method with RGB32 and HSL32 images.

Parameters

Pattern As CWIMAQImage

The color template image that you want to search for in the image.

LearnColorPatternOptions As CWIMAQLearnColorPatternOptions

A CWIMAQLearnColorPatternOptions object that specifies the parameters the method uses for learning.

Example

Color Pattern Matching Example

See Also

MatchColorPattern

CWIMAQLearnColorPatternOptions

LearnPattern2

MatchPattern2