imaqCentroid
Usage
int imaqCentroid(const Image* image, PointFloat* centroid, const Image* mask);
Purpose
Computes the centroid of an image.
Image Types Supported
IMAQ_IMAGE_U8, IMAQ_IMAGE_I16, IMAQ_IMAGE_SGL
Parameters
|
Name
|
Type
|
Description
|
|---|---|---|
| image | const Image* | The image whose centroid the function calculates. |
| centroid | PointFloat* | On return, the x- and y-coordinates of the centroid. This parameter is required and cannot be NULL. |
| mask | const Image* | An optional mask image. If NULL, the whole source image is used in the calculation. Otherwise, the function uses in the calculation only those pixels in the source whose corresponding pixels in the mask image are non-zero. |
Return Value
| Type |
Description |
|---|---|
| int | On success, this function returns a non-zero value. On failure, this function returns 0. To get extended error information, call imaqGetLastError(). |