Hi Again,

Thanks for the replies, I'm not sure if it has helped yet (still working on
this).

Okay, I have worked out the MapInfo perform a lot of queries to get
structures, etc.  But the most interesting thing was that the geometry
column in the SpatialWare table is passed as a binary string and what is
passed over the wire is the same string that lives in the SQL table
(SpatialWare doesn't modify the binary string).  This suggests that the
conversion from MapInfo Object to ST_Spatial BLOB, is either done by MapInfo
or it doesn't happen.

I have checked this with both SpatialWare 4.6 and 4.8 for SQL Server and
they are the same.

So my questions now becomes "How do I call the MapInfo conversion routine??"
MapInfo can obviously do this on the fly (live tables) with acceptable
performance impact.

Cheers Ian



-----Original Message-----
From: Ian Tidy [mailto:[EMAIL PROTECTED] 
Sent: Thursday, 18 March 2004 3:49 p.m.
To: MapInfo-L
Subject: MI-L Object Data Type and SpatialWare Geometry Type


Hi All,

Is there any difference between the SpatialWare Geometry datatype
(ST_Spatial) and MapInfo Object datatype.

Can I return the SQL server blob object into a MapInfo Object variable??

Cheers Ian

Ian Tidy
GIS Administrator
Works Asset
Napier City Council
mailto:[EMAIL PROTECTED]
http://www.napier.govt.nz

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