Oddly doing an ST_Distance from a to b or from b to c = 0. So I guess I can get by w/ running that test. But I'm still perflutzed why it doesn't Intersect.
>-----Original Message----- >From: postgis-users-boun...@lists.osgeo.org [mailto:postgis-users- >boun...@lists.osgeo.org] On Behalf Of Charlton Galvarino >Sent: Tuesday, January 22, 2013 9:24 AM >To: PostGIS Users (postgis-us...@postgis.refractions.net) >Subject: [postgis-users] intersection doesn't seem to intersect back w/ >original geom > >Hi, all. I'm completely stumped and hope the answer is right in front of my >face. > >The pink ls. >a.geom = >0102000020BA08000002000000ED7E57CC2CDF2F41BCE00145EF9F29414DABCE8 >596DE2F41F40B15A36C9F2941 > >The blue ls. >b.geom = >0105000020BA0800000100000001020000000A0000003E35FDD6D4DE2F413858F6 >0E92A12941003235ED84DE2F410075ECAFEF9F294100F99BA4C2DE2F41000B8A3 >7399E294180E6B00C42DF2F410049DDE92E9C2941805D5940DDDF2F41009D30FC >C79A2941004F9FEB5CE02F41808734555298294100D58EBEB6E02F41005398EA9B >9629410099A09767E02F4100CE6014A99529418024290838DF2F41008CA543DF93 >2941801DD29CF2DD2F41804F933046932941 > >Their intersection (yellow dot) computed from the above two geoms. >c.geom = 0101000020BA08000075E19F4797DE2F415AA1904B6D9F2941 > >My SRID's are all the same. > >Why in the **** doesn't the final intersection ST_Intersects() w/ either >original linestring?! Precision issue? I'm nuts issue? > >TIA. > > > > > >Charlton Galvarino >1 (803) 233-6205 : voice >1 (803) 223-9579 : fax >charl...@2creek.com > >P.O. Box 50960 >Columbia, SC 29250 _______________________________________________ postgis-users mailing list postgis-users@lists.osgeo.org http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users