[postgis-devel] [PostGIS] #1690: Sort out ERROR: transform: couldn''t project point (180 -90 0): tolerance condition error (-20)

PostGIS trac at osgeo.org
Fri Mar 16 08:20:22 PDT 2012


#1690: Sort out ERROR:  transform: couldn''t project point (180 -90 0): tolerance
condition error (-20)
----------------------+-----------------------------------------------------
  Reporter:  strk     |       Owner:  pramsey      
      Type:  task     |      Status:  closed       
  Priority:  medium   |   Milestone:  PostGIS 2.0.0
 Component:  postgis  |     Version:  trunk        
Resolution:  fixed    |    Keywords:               
----------------------+-----------------------------------------------------

Comment(by strk):

 Ok, the "tolerance" is how much distance is tolerated from the pole.
 Up to 1e-10 off the pole is tolerated. Closer points trigger the
 exception.
 I guess this is because representing a point on the pole on mercator has
 infinite
 possibilities (all the bottom line).

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/1690#comment:6>
PostGIS <http://trac.osgeo.org/postgis/>
The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project.


More information about the postgis-devel mailing list