[postgis-devel] about lwcurve in postgis

[Mark Leslie]

2008/6/18 xie jiong <xie_jiong at 163.com>:
>
> HI:
>
> in current postgis, lwcurve only represent circularstring, so why use
> curve name?
>
> Jiong
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>
>

One answer is that a circle is a curve.

The correct answer is that the curved geometry support was developed
to the SQL-MM specification, which supports only the circular string
version of curves, so our naming convension is directly derived from
theirs.

-- 
Mark Leslie
Geospatial Software Architect
LISAsoft
http://www.lisasoft.com/LISAsoft/SupportedProducts.html