Allows access to some info about a single measure of a score.
Measure can be created with:
measure = new Measure();
but it is probably more common to obtain a
Measure object through a
measure = myCursor.measure();
|pageNumber||integer||the number of the page where this measure is drawn (read-only).|
The bounding box of this measure (in pixels).
The position in the page of this measure (in pixels).