1. 2018-02-06 Re: [postgis-users] drawing a line tangent to earth ? postgis-u didier peeters 2. 2018-02-05 Re: [postgis-users] drawing a line tangent to earth ? postgis-u Giuseppe Broccolo 3. 2018-02-05 Re: [postgis-users] drawing a line tangent to earth ? postgis-u Stephen Woodbridge 4. 2018-02-05 [postgis-users] drawing a line tangent to earth ? postgis-u didier peeters