nameLandmark.retinalDataset: Name a landmark in a RetinalDataset
Description
Name a landmark in a RetinalDataset. This does the
same as the standard nameLandmark, but in addition,
if there exists a landmark named "OD", this creates a set of
points labelled "OD".
Usage
## S3 method for class 'retinalDataset':
nameLandmark(d, i, name)