With geos 3.12, the CAPI factory enables Z geometries about rgeo HOT 6 CLOSED

Thank you both for reporting this issue.

I think this is related to this change in geos:

• libgeos/geos#908
• libgeos/geos#915

This is quite unfortunate for us, seems like we'll have to do a conditional over geos version. I should have time to do that by next week. If anyone can do it beforehand that would be more than welcome!

from rgeo.

@januszm once #364 is merged I'll release a version with these changes.

from rgeo.

I second this, this happens with multipolygons as well in an unexpected way. The following was explored on Ruby 3.1.2p20, with RGeo at 3.0.0 on macOS 13.1.

We pass the following geometry to RGeo:

MULTIPOLYGON(((12.932783211827351 55.52388199800951,12.93245550269099 55.52385006659112,12.932511159135071 55.52366627893948,12.932034283234547 55.523792667409026,12.932249636217353 55.52408517418492,12.932380445341693 55.52409792424644,12.932708140512728 55.52412986477694,12.932783211827351 55.52388199800951)),((12.934160764140689 55.524585414273915,12.935069804474448 55.52439776732449,12.935081366292575 55.52435334973056,12.935114165594179 55.5243561507144,12.935140137641318 55.52425637035675,12.935184353995986 55.524086684745086,12.935187805705446 55.52407342495578,12.93487752118115 55.52383636385861,12.93485414710541 55.52383440570438,12.934617654824683 55.523814586663214,12.93462363716453 55.52379159287159,12.934373893839348 55.523767266014715,12.934262076501895 55.52419653040539,12.934160764140689 55.524585414273915)))

and depending on geos-version, we get the following back out again. On 3.11.1 - we receive the expected geometry back:
MULTIPOLYGON (((12.932783211827351 55.52388199800951, 12.93245550269099 55.52385006659112, 12.932511159135071 55.52366627893948, 12.932034283234547 55.523792667409026, 12.932249636217353 55.52408517418492, 12.932380445341693 55.52409792424644, 12.932708140512728 55.52412986477694, 12.932783211827351 55.52388199800951)), ((12.934160764140689 55.524585414273915, 12.935069804474448 55.52439776732449, 12.935081366292575 55.52435334973056, 12.935114165594179 55.5243561507144, 12.935140137641318 55.52425637035675, 12.935184353995986 55.524086684745086, 12.935187805705446 55.52407342495578, 12.93487752118115 55.52383636385861, 12.93485414710541 55.52383440570438, 12.934617654824683 55.523814586663214, 12.93462363716453 55.52379159287159, 12.934373893839348 55.523767266014715, 12.934262076501895 55.52419653040539, 12.934160764140689 55.524585414273915)))

but on 3.12.0 - it's suddenly converted into a geometry with Z, even though it's not specified and not provided:
MULTIPOLYGON Z (((12.932783211827351 55.52388199800951 0, 12.93245550269099 55.52385006659112 0, 12.932511159135071 55.52366627893948 0, 12.932034283234547 55.523792667409026 0, 12.932249636217353 55.52408517418492 0, 12.932380445341693 55.52409792424644 0, 12.932708140512728 55.52412986477694 0, 12.932783211827351 55.52388199800951 0)), ((12.934160764140689 55.524585414273915 0, 12.935069804474448 55.52439776732449 0, 12.935081366292575 55.52435334973056 0, 12.935114165594179 55.5243561507144 0, 12.935140137641318 55.52425637035675 0, 12.935184353995986 55.524086684745086 0, 12.935187805705446 55.52407342495578 0, 12.93487752118115 55.52383636385861 0, 12.93485414710541 55.52383440570438 0, 12.934617654824683 55.523814586663214 0, 12.93462363716453 55.52379159287159 0, 12.934373893839348 55.523767266014715 0, 12.934262076501895 55.52419653040539 0, 12.934160764140689 55.524585414273915 0)))

from rgeo.

Thanks a lot for the quick look on this - while I'm comfortable exploring this in Ruby, the C-parts are a bit beyond me. Will this warrant a patch-level release or should I run from HEAD until a minor release?

from rgeo.

Thank you a lot for your reactivity and for maintaining this gem!

from rgeo.

Same just happened to me when I upgraded older app to GEOS 3.12 and Ruby 3.2

> RGeo::Geographic.spherical_factory.point("2", "1")
=> #<RGeo::Geographic::SphericalPointImpl:0x7170 "POINT (2.0 1.0)">

> record.shape = RGeo::Geographic.spherical_factory.point("2", "1")
> record.save

> record.shape
=> #<RGeo::Geos::CAPIPointImpl:0x715c "POINT Z (2 1 0)">
> record.shape.to_s
=> "POINT Z (2 1 0)"

Would downgrading to GEOS 3.11 or 3.10 solve this issue too?

Or should I rather switch to Github main/master version of this gem until the changes from this PR #361 are released , possibly as rgeo 3.0.1 or 3.1.0 ?

from rgeo.