imaqSimpleEdge
Usage
PointFloat* imaqSimpleEdge(const Image* image, const Point* points, int numPoints, const SimpleEdgeOptions* options, int* numEdges);
Purpose
Finds prominent edges along an array of pixel coordinates. This function can return the first edge, the first and the last edges, or all the edges.
Image Types Supported
IMAQ_IMAGE_U8, IMAQ_IMAGE_I16, IMAQ_IMAGE_SGL
Parameters
|
Name
|
Type
|
Description
|
|---|---|---|
| image | const Image* | The image in which you want to find edges. |
| points | const Point* | The path along which the function detects edges. This parameter is required and cannot be NULL. |
| numPoints | int | The number of points in the points array. |
| options | const SimpleEdgeOptions* | Describes how you want the function to find edges. This parameter is required and cannot be NULL. |
| numEdges | int* | On return, the number of edges that the function found. Set this parameter to NULL if you do not need this information. |
Return Value
| Type |
Description |
|---|---|
| PointFloat* | On success, this function returns an array of points indicating the location of the edges. On failure, this function returns NULL. To get extended error information, call imaqGetLastError(). When you are finished with the return value, dispose of the array by calling imaqDispose(). |