problem with tiled layer

[Hunter, David - St. Louis Park, MN]

I'm using Mapinfo files for vector data, some of the layers are
county-based.  I created tiled index layers for these county-based
layers (my demo consists of four counties in North Carolina) using the
ogrtindex utility.  When the map straddles the border between two
counties, the tiled layers do not appear in one of the counties (the
roads, etc. stop at the county border).  Panning either direction so
that the map no longer straddles the border makes the missing layers
reappear.  I assume this is a bug in GDAL/OGR or mapserver (CGI version
4.4.1).  Has anybody else seen this problem?  Is there a workaround, or
do I need to rethink my use of tiled layers?  The application will need
to cover the entire U.S., so effective indexing of the data is a
requirement.

 

David S. Hunter
Sr. Software Engineer
Fidelity National Geographic Solutions
division of Fidelity National Financial
5353 Gamble Drive, Suite 201
St. Louis Park, MN 55416
* Email: david.hunter at fnf.com
' Phone: 952.542.1440 ext. 256
* Fax: 952.542.3859

 

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