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Description
Steps to reproduce
require 'rgeo'
require 'rgeo/proj4'
factory = RGeo::Geographic.projected_factory(
srid: 4326,
projection_srid: 4326,
projection_proj4: 'EPSG:4326',
has_z_coordinate: true
)
polygon = factory.polygon(factory.linear_ring(
[[0,0], [10,0], [10,10], [0,10], [0,0]].map { |a,b| factory.point(a, b) }
))
expected_centroid = factory.point(5, 5)
puts polygon.inspect
puts "EXPECTED CENTROID: #{expected_centroid}"
puts "ACTUAL CENTROID: #{polygon.centroid}"
raise "INVALID CENTROID" unless polygon.centroid == expected_centroid
puts "polygon.centroid == expected_centroid TEST PASSED"Expected behavior (Ubuntu 20.04 & 22.04)
#<RGeo::Geographic::ProjectedPolygonImpl:0x424 "POLYGON ((0.0 0.0 0.0, 10.0 0.0 0.0, 10.0 10.0 0.0, 0.0 10.0 0.0, 0.0 0.0 0.0))">
EXPECTED CENTROID: POINT (5.0 5.0 0.0)
ACTUAL CENTROID: POINT (5.0 5.0 NAN)
polygon.centroid == expected_centroid TEST PASSED
Actual behavior (Ubuntu 24.04)
script.rb:13:in `<main>': INVALID CENTROID (RuntimeError)
#<RGeo::Geographic::ProjectedPolygonImpl:0x424 "POLYGON ((0.0 0.0 0.0, 10.0 0.0 0.0, 10.0 10.0 0.0, 0.0 10.0 0.0, 0.0 0.0 0.0))">
EXPECTED CENTROID: POINT (5.0 5.0 0.0)
ACTUAL CENTROID: POINT (NAN NAN NAN)
Notes
I've prepared a repo to use Github testing environments and tested against Ubuntu versions 20.04, 22.04 and 24.04 with packages libgeos-dev and libproj-dev installed and using Ruby 3.3.6. Only Ubuntu 24.04 fails: https://github.com/LocoDelAss
5330
embly/rgeo-centroid-test/actions/runs/13298190081
I had this problem on a rails app actually, and narrowed down to rgeo + rgeo/proj4, but don't know how to debug deeper to pin down the problem.
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