Hmm I didn't realize we use BOOM! in our errors, but I guess we do since I get the same message in 2.0 and 1.5. :) I know there are issues with the outer fringes when you get into the -180 ... area which we have bug tickets in place for and patches not yet applied. That could be one of them try moving in a bit like 179.5 89 etc. Unfortunately the guy who deals with these things is incognito at the moment
_____ From: [email protected] [mailto:[email protected]] On Behalf Of Kidd, David M Sent: Monday, April 18, 2011 10:25 AM To: [email protected] Subject: [postgis-users] ST_Intersects on geography Hi, Applogies if the is a stupid newbie question. I have am writing some some simple point in polygon searches on geographic data using ST_Intersects, but have been getting some unexpected results; Searching for a point in the southern hemisphere: SELECT ST_Intersects('POINT(-160 -43)'::geography, 'POLYGON((-180 -90, -180 0, 180 0, 180 -90, -180 -90))'::geography) Returns f Searching for a point in the northern hemisphere: SELECT ST_Intersects('POINT(160 43)'::geography, 'POLYGON((0 0, 0 90, 180 90, 180 0, 0 0))'::geography) ERROR: BOOM! Could not generate outside point! CONTEXT: SQL function "st_intersects" statement 1 ********** Error ********** ERROR: BOOM! Could not generate outside point! SQL state: XX000 Context: SQL function "st_intersects" statement 1 This works though David M. Kidd Research Associate Center for Population Biology Silwood Park Campus Imperial College London 0207 594 2470
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