FindStraightEdges Method
Syntax
CWIMAQVision.FindStraightEdges SourceImage, Regions, SearchDirection, StraightEdges [, EdgeOptions] [, StraightEdgeOptions] [, SearchLines]
Return Type
On success, this method returns 0. On failure, this method returns a negative number.
Purpose
Searches an ROI for straight edges.
Parameters
SourceImage As CWIMAQImage
The input image.
Regions As CWIMAQRegions
Object that specifies the region of the image on which the method is performed.
SearchDirection As CWIMAQSearchDirections
The direction to search for straight lines.
StraightEdges As CWIMAQStraightEdges
On return, fills the collection of CWIMAStraightEdge objects with information about the detected straight edges.
EdgeOptions As Variant
[Optional] A CWIMAQEdgeOptions2 object that specifies the parameters that are used to compute the edge profile and detect the edges.
StraightEdgeOptions As Variant
[Optional] A CWIMAQStraightEdgeOptions2 object that specifies the parameters that are used to compute the straight edges.
SearchLines As Variant
[Optional] On return, fills the CWIMAQSearchLines collection with information about each used search line.