[postgis] Re: The Next Level(polygon clipping)

[Hisaji ONO]

Hi.

> a) add most/all of the OGC Simple Features Spec (union,
>     intersection, xor, etc)

  For this functions, you'll wait for JST.

 But how about using Java 2D api's Area class which supports polygon
clipping and manipulate coordinates of this result by "Path" like Postscript
or SVG. But Area class doesn't support 'hole'..

  Knudsen, J.(1999): JAVA 2D Graphics, O'Reilly, 54-58.

 PostGIS has already has some functions like boundary box overlaps for
pre-processing of polygon clipping.

 How about my suggestion?



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