Paul,
Hmmm... for an linear envelope would returning a linestring not make more sense?
That does raise another question.
select astext(envelope('LINESTRING(0 0, 0 10)'))
"POLYGON((0 0,0 10,0 10,0 0,0 0))"
select valid(envelope('LINESTRING(0 0, 0 10)'))
false
Should envelope should do the same? What does JTS/GEOS do in this case?
Charlie
smime.p7s
Description: S/MIME Cryptographic Signature
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