[postgis-users] Why PostGIS ST_Intersection much slower than ArcGIS Intersect ?

Andrea Peri aperi2007 at gmail.com
Sun Dec 2 00:53:04 PST 2012

Paul Ramsey wrote:
>Google knows,

I see

Now I understand better.

As I understand:
It is the "prepared geometry" solution
it is used on geos and just used on these postgis functions:
ST_Intersects(), ST_Contains(), ST_Covers() and ST_ContainsProperly(),
but actually, don't used by the ST_Intersection().

Andrea Peri
. . . . . . . . .
qwerty àèìòù

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