2.3 DUIM-Geometry Module
box-top
Function
Summary
Returns the y coordinate of the upper left corner of the bounding box of a region.
Signature
box-topregion => top
Arguments
- region
- An instance of type
<region>.
Values
- top
- An instance of type
<integer>.
Library
duim-geometry
Module
duim-geometry
Description
Returns the y coordinate of the upper left corner of the bounding box region. The argument region must be either a bounded region or some other object that obeys the bounding box protocol.