[geos-devel] no outgoing dirEdge found error

Paul Ramsey pramsey at refractions.net
Wed Sep 19 17:55:08 EDT 2007

Ye gods. This reminds me of Dale Lutz's sage advice to try doing 
everything using quad-doubles.

Ben Jubb wrote:

> BInaryOp does the same difference op, but when that fails it tries again 
> after shifting the geometry close to the origin.  Presumably this gains 
> a few bits of precision in the intermediate results, that allows the 
> operation to succeed.  This method is perhaps not as robust tho.


   Paul Ramsey
   Refractions Research
   pramsey at refractions.net
   Phone: 250-383-3022
   Cell: 250-885-0632

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