Fix parameterization of Segement with ellipsoid manifold

[eliascarv]

Code:

julia> using Meshes, CoordRefSystems

julia> latlon(args...) = Point(LatLon(args...))
latlon (generic function with 1 method)

julia> s = Segment(latlon(45, 0), latlon(45, 90))
Segment
├─ Point(lat: 45.0°, lon: 0.0°)
└─ Point(lat: 45.0°, lon: 90.0°)

master:

julia> s(0)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 44.99999999999999°
└─ lon: 0.0°

julia> s(0.25)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 51.69172630922252°
└─ lon: 18.434948822922014°

julia> s(0.5)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 54.76375232553122°
└─ lon: 45.0°

julia> s(0.75)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 51.69172630922252°
└─ lon: 71.56505117707799°

julia> s(1)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 44.99999999999999°
└─ lon: 90.0°

PR:

julia> s(0)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 45.0°
└─ lon: 0.0°

julia> s(0.25)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 45.0°
└─ lon: 22.5°

julia> s(0.5)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 45.0°
└─ lon: 45.0°

julia> s(0.75)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 45.0°
└─ lon: 67.5°

julia> s(1)
Point with GeodeticLatLon{WGS84Latest} coordinates
├─ lat: 45.0°
└─ lon: 90.0°

Plotting segments:

julia> b = Box(latlon(0, 90), latlon(45, 180))
Box
├─ min: Point(lat: 0.0°, lon: 90.0°)
└─ max: Point(lat: 45.0°, lon: 180.0°)

julia> viz(b, showsegments=true)

master:

PR:

[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 1 line in your changes missing coverage. Please review.

Project coverage is 87.37%. Comparing base (610c670) to head (9a786be).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/geometries/polytopes/segment.jl	87.50%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1089      +/-   ##
==========================================
- Coverage   87.37%   87.37%   -0.01%     
==========================================
  Files         188      188              
  Lines        5956     5963       +7     
==========================================
+ Hits         5204     5210       +6     
- Misses        752      753       +1     

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