Not sure I got the problem 'in extenso' ... but you may be able to do 
something with the topocheck utitility I posted a few weeks ago.
It'll output you a table with all overlapping zones polygonized. Using this 
table and a simple selection query would enable you to loop thru your 
records and overlapping zones ... (if/yhen subtleties being taken cared of 
by the sophisticated ;) SQL langage of MI.

Eric.

-----Message d'origine-----
De:     McNeil, Todd (TMCNEIL) [SMTP:[EMAIL PROTECTED]]
Date:   jeudi 22 juillet 1999 19:54
A:      [EMAIL PROTECTED]; Neat, Richard (RLN)
Objet:  MI Hi

I think I am back to second base on the overlapping polygons. There
are way to many overlapping VHF coverages to accurately make the
intersections properly.  I would like to be able to loop through
every single coverage in the table and look for the overlapping polys
of that coverage area on the fly.  I am expecting to get a bit more
savvy with this one.

Would you have any ideas?  I believe the Do While Not loop to go
through each record is a must, but I will need some sort of If, Then,
Else.  statement to check the obj and make sure the nodes overlap and
skip over the obj that do not.

Any suggestions?

Todd McNeil
GIS Specialist
ARINC
Annapolis, MD
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  • MI Hi McNeil, Todd (TMCNEIL)
    • Eric Maranne

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