I have a couple of mbx's for editing.  One does some simple cleaning by 
creating buffers and cutting back the object by intersecting it with its 
neigbours, but it was only ever half finished and was never documented.  I 
have sent it to a couple of people lately, and if the results worked, maybe 
I could put it on the ftp site.  I loathe to do it however, as an editing 
tool that appears to work, but doesn't is sometimes worse than no tool at 
all if you don't know what errors to look for.  Would anyone like the code 
to develop it further?

There are also tools for simplifying polygons to constituent polygons, but 
a warning to most of the solutions offered - if you have island polygons, 
the result from this simplification process is that you loose the hole from 
a surronding polygon and create two islands - the original island polygon, 
and one that represented the hole polygon from the surronding polygon. 
 (This is due to the hole being represented as a second polygon in a 
region).

It also has a clean up routine that gets rid of island polygons, but the 
logic is such that I would not like to set it on automatic.  You also would 
have to select which island polygon needs to be got rid of.

I did hear of a much better system recently, or at least one based on a 
potentially much better base, but am unsure of its current status. It would 
probably have all its error messages in French anyway....   I had also 
heard on the grapevine that the mother ship was working on something 
starting with "T", or was that just a rumour?
Robert (after too many hours behind this keyboard)

Is there a product (commercial or otherwise) out there that will 
automatically fix/clean tables that contain multiple instances of 
overlapping regions and gaps between regions.


Thanks

Tom Orr
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