RE: [MI-L] MI table versions

[Peter Horsbøll Møller]

Title: Message

Dave,

 

You could try this select statement to see what kind of objekts you have in your table:

 

Select Str$(OBJ)

From MYTABLE

Group By 1

 

This should return a list of the different type of objects in your table, and yes, it might be the collection objects causing the high version

Peter Horsbøll Møller
GIS Developer, MTM
Geographical Information & IT
 
COWI A/S
Odensevej 95
DK-5260 Odense S.
Denmark
 
Tel     +45 6311 4900
Direct  +45 6311 4908
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http://www.cowi.dk/gis

 

---

From: David Reid [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 22, 2006 9:04 PM
To: Peter Horsbøll Møller; 'MapInfo-L'
Subject: RE: [MI-L] MI table versions

Thanks for the feedback Peter,

 

No, not connected to Mapx although it is a MapX app which these tables are read by.

 

Of all my 20 or 30 plus layers I work with daily, it's only this one table that when saved by Mapinfo, when I look at the tab file it states v6.5.

 

For what it's worth, this table is my hydro bodies layer, lakes, ponds, resevoirs, airation ponds etc etc.

 

I wonder if it is some "collection" object as there are many many streams with donut like holes in them, meandering streams as you might imagine.

 

Is there some syntax that would report such attribute as "collection"   (ie ObjectInfo(obj,20) reports total number of nodes of an object, is there similar that would provide a code for "collection" or "not"

 

thanks,

Dave

-----Original Message-----
From: Peter Horsbøll Møller [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 22, 2006 1:29 PM
To: David Reid; MapInfo-L
Subject: RE: [MI-L] MI table versions

David,

These are the 6.50 changes that might influence the table version:
- New object types: Multipoint and Collection (actually !edit_version 650 and !version 300)
- Cassini-Soldner projection (number 30)
- Lambert Azimuthal Equal-Area projection - Oblique aspect(number 29)

You can find a complete overview of the changes pr version in the User Guide under the MIF format

I'm not sure whether any of this can explain, why your table is marked 650.
It  might even be connected to the fact that you are using MapX ??!!

Peter Horsbøll Møller
GIS Developer, MTM
Geographical Information & IT
 
COWI A/S
Odensevej 95
DK-5260 Odense S.
Denmark
 
Tel     +45 6311 4900
Direct  +45 6311 4908
Mob     +45 5156 1045
Fax     +45 6311 4949
E-mail  [EMAIL PROTECTED]
http://www.cowi.dk/gis

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of David Reid

Sent: Wednesday, February 22, 2006 6:52 PM
To: 'MapInfo-L'
Subject: [MI-L] MI table versions

Greetings list,

Running MI 6.5 and with regards to the native *.tab files.

What about a table of only polygons would generate a "Version 6.5" as apposed to a lower version as is many of my other tables (4.5, 3.0 etc)?

This table is being used with Mapx v4

I have a feeling it has to do with maximum number of nodes for a given object I'm nowhere near the maximumns listed for MI 4.5 for example, was 1mil.

Could this be some other issue, maybe too many combined or grouped objects?

Thanks in advance,
David

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