One thing you should get is Maplogix, it's a very useful topological 
application for Mapinfo. Probably that your polygons are not closed. A thing 
that you could verify and repare with Maplogix. I think there's a beta 
version on the directionsmagazine site. I hope it can help you.


>From: "Frank Wolter" <[EMAIL PROTECTED]>
>To: MapInfo -L <[EMAIL PROTECTED]>
>Subject: MI Line to Polygon Conversion
>Date: Tue, 15 Feb 2000 17:45:00 +0100
>
>Hi all,
>
>How does the "Convert to polygon" command in MapInfo work? I found that
>it performed very bad if one has a lot of lines figuring multiple
>polygons. Is there anything to be done before executing the command or
>is it impossible to convert all selected lines to polygons in one step?
>I ask this because I have to convert many many lines coming from an
>"ugly" autocad file in polygons.
>
>Best regards. Frank
><< frank.wolter.vcf >>

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