Hello mappers,
I try to write a SQL selection, like :
Select * from File1, File2 where File1.Obj Not Intersects File2.Obj into
Selection
But "not intersects" is unknown in mapinfo, how to do ?
Any suggestion ?
Thanks,
--
Eric BONTE
of Research and Development
Corporacion Condor S.A.
Lima, Peru
- Mensaje original -
De: Eric Bonte [EMAIL PROTECTED]
Para: MAPINFO Mailing List [EMAIL PROTECTED]
Enviado: martes, 08 de febrero de 2000 06:36 a.m.
Asunto: MI Geographic Operators
Hello mappers,
I try to write
Waitakere City
New Zealand
-Original Message-
From: Eric Bonte [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, 9 February 2000 01:42
To: MAPINFO Mailing List
Subject: MI Geographic Operators
Hello mappers,
I try to write a SQL selection, like :
Select * from File1, File2 where File1.Obj
Thanks to everyone for their suggestions.
Thanks especially to David M Haycraft whose code worked perfectly (shown
below)
Select *
From PointTab
Where not (PointTab.Obj within any (Select Obj from RegionTab))
Most other suggestions like "Not Point.Obj Within Region.Obj" caused
MapInfo to
This may be an obvious question to some!
Is there a geographic operator for selecting points "outside" of regions.
I thought you could use "Not Within" or similar, but this does not seem to work.
ie "Point.Obj Not Within Region.Obj"
All the listed operator commands seem to based on being
