Query with tolerance problem

Sievers, Jason jsievers at CO.LINN.OR.US
Mon Sep 11 12:02:36 PDT 2006


I am performing a point based query with TOLERANCE and TOLERANCEUNITS set.
This is working for me as expected under most cases.  However, when the
number of results returned from the query approaches the MAXFEATURES value
I've defined, strange things happen.  The feature I click on is not included
in the results set!

For instance, I am performing a point based query on a polygon layer with
MAXFEATURES set to 25.  I use a buffer of 500 feet and get 20 polygon
features as results.  But when I use a buffer of 550 feet and get 23
results, the feature I clicked on is not in the results.  I have done a lot
of testing and the behavior seems very consistent: when the number of
results is "near" MAXFEATURES then the results are incorrect.

Thanks for any help.


Jason Sievers
jsievers at co.linn.or.us
Linn County GIS Department
Albany, OR  97321
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