HTML image map information for annotation tracks.
coords(ImageMap, ...)
# S4 method for `NULL`
coords(ImageMap)
# S4 method for ImageMap
coords(ImageMap)
tags(ImageMap, ...)
# S4 method for `NULL`
tags(ImageMap)
# S4 method for ImageMap
tags(ImageMap)
Object of ImageMap-class
, containing optional information
for an HTML image map.
Returns the coordinates from the image map.
Returns the tags from the image map.
Objects of the ImageMap-class
are usually not created by the user,
hence the constructor function ImageMap
is not exported in the name space.
coords()
: Generics for coords
.
coords(`NULL`)
: Returns the coordinates from the image map.
coords(ImageMap)
: Returns the coordinates from the image map.
tags()
: Generics for tags
.
tags(`NULL`)
: Returns the tags from the image map
tags(ImageMap)
: Returns the tags from the image map
coords
Object of class matrix
, the image map coordinates. In the
order x bl, y bl, x tr, y tr. Row names are mandatory for the matrix
and have to be unique.
tags
Object of class list
, the individual HTML tags for the image map.
The value of each list item has to be a named character vector,
where the names must match back into the row names of the coords
matrix
## Not provided. This is an internal structure.