[LUCENE-6487] Add WGS84 capability to geo3d support

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.3
• Component/s: modules/spatial
• Lucene Fields: New
• Assignee: David Smiley
• Reporter: Karl Wright
• Created: 17/May/15 10:39
• Updated: 28/Aug/22 14:33
• Resolved: 02/Jun/15 13:19

Description

WGS84 compatibility has been requested for geo3d. This involves working with an ellipsoid rather than a unit sphere. The general formula for an ellipsoid is:

x^2/a^2 + y^2/b^2 + z^2/c^2 = 1