Database Reference
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One might want to use this X3D conversion as a function, feeding geometry into a
functionandgettingapageinreturn.Thisway,wecanreusethecodeeasilyforoth-
er tables. Embodied in a function, X3D conversion is as follows:
CREATE OR REPLACE FUNCTION
chp07.AsX3D_XHTML(geometry)
RETURNS character varying AS
$BODY$
SELECT '
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0
