On Fri, Jan 17, 2003 at 14:04:21 -0500,
Greg Stark <gsstark(at)mit(dot)edu> wrote:
>
> What are the operators or functions to extract the x and y portions of a
> point? I can't find it in my book or in the online \do or \df output anywhere.
One way to do it is the following:
bruno=> select height(box('(0,0)','(1,2)'));
height
--------
2
(1 row)
bruno=> select width(box('(0,0)','(1,2)'));
width
-------
1
(1 row)
Replace the the non '(0,0)' point with the point of interest.
This only works for nonnegative values.