8.8.1. Points
8.8.1.点
Points are the fundamental two-dimensional building block for geometric types. Values of type
point
are specified using either of the following syntaxes:
点是几何类型的基本二维构建基块。使用以下两种语法之一指定point类型的值:
(
x
,
y
)
x
,
y
where
x
and
y
are the respective coordinates, as floating-point numbers.
其中x和y是各自的坐标,以浮点数表示。
Points are output using the first syntax.
点在输出时使用第一种语法。