Obtain center of an image annotation — getImageAnnotationCenter • SPATA2

getImgAnnCenter() computes the x- and y- coordinates of the center of the outer border, returns a numeric vector of length two. getImgAnnCenters() computes the center of the outer and every inner border and returns a list of numeric vectors of length two.

getImageAnnotationCenter(...)

getImgAnnCenter(object, ...)

# S4 method for spata2
getImgAnnCenter(object, id)

# S4 method for ImageAnnotation
getImgAnnCenter(object)

getImgAnnCenters(object, ...)

# S4 method for spata2
getImgAnnCenters(object, id, outer = TRUE, inner = TRUE)

# S4 method for ImageAnnotation
getImgAnnCenters(object, outer = TRUE, inner = TRUE)

Arguments

...: Used to absorb deprecated arguments or functions.
object: An object of class spata2.
id: Character value. The ID of the image annotation of interest.
outer: Logical value. Only applies if an image annotation contains a secondary image annotation within its own area. If FALSE, the outer border of the image annotation is not included in the output.
inner: Logical value. Only applies if an image annotation contains a secondary image annotation within its own area. If FALSE, the inner borders of the image annotation are not included in the output.

Value

Numeric vector of length two or a list of these. Values are named x and y.