[PostGIS] #5989: ST_Distance error on curvepolgyon

[PostGIS]

#5989: ST_Distance error on curvepolgyon
----------------------+---------------------------
  Reporter:  pramsey  |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  high     |  Milestone:  PostGIS 3.5.4
 Component:  postgis  |    Version:  3.2.x
Resolution:           |   Keywords:
----------------------+---------------------------
Description changed by pramsey:

Old description:

> The objects are close together and in a concave, contained arrangement,
> but the distance is definitely non-zero throughout, and the function is
> returning zero.
> {{{
> SELECT
>   ST_Distance(
> ST_GeomFromText('MULTISURFACE(CURVEPOLYGON(COMPOUNDCURVE(CIRCULARSTRING(25498687.296406467
> 6679794.584487298,25498670.728066746 6679772.920079741,25498652.7219
> 6679752.4351),(25498652.7219 6679752.4351,25498649.618
> 6679749.1379,25498615.3055 6679712.6856,25498584.874
> 6679680.3574),CIRCULARSTRING(25498584.874 6679680.3574,25498575.9211
> 6679678.4791,25498571.0593 6679686.228),(25498571.0593
> 6679686.228,25498572.5718 6679717.5059,25498572.5935
> 6679717.9476,25498572.6156 6679718.3893),CIRCULARSTRING(25498572.6156
> 6679718.3893,25498575.9546 6679753.1238,25498582.4167
> 6679787.4148,25498582.6547 6679788.418,25498582.8953
> 6679789.4206),(25498582.8953 6679789.4206,25498583.4717
> 6679791.8086,25498577.35416496 6679793.28540422),(25498577.35416496
> 6679793.28540422,25498558 6679652,25498706 6679794,25498687.296406467
> 6679794.584487298))))', 3879)
>     ,ST_GeomFromText('POLYGON((25498577.925067347
> 6679764.376426865,25498577.31346041 6679760.722689815,25498576.736966014
> 6679757.06324837,25498576.19563731 6679753.398439955,25498575.68952422
> 6679749.72860249,25498575.218673404 6679746.054074359,25498574.783128276
> 6679742.375194377,25498574.382929 6679738.692301761,25498574.01811248
> 6679735.005736099,25498573.68871235 6679731.315837314,25498573.394758984
> 6679727.622945643,25498615.249195762 6679712.917382107,25498649.317714863
> 6679749.110582217,25498629.859234665 6679763.425791496,25498626.597285368
> 6679765.4664939325,25498616.53215853 6679754.940559511,25498616.475998268
> 6679754.899373339,25498616.40912013 6679754.879941631,25498616.33963356
> 6679754.884620618,25498577.925067347 6679764.376426865))', 3879)
>     ) AS dist
> }}}
> Assigning this to an old milestone, as I think this is probably behaviour
> that dates to the original implementation.

New description:

 The objects are close together and in a concave, contained arrangement,
 but the distance is definitely non-zero throughout, and the function is
 returning zero.
 {{{
 SELECT ST_Distance(
   'POLYGON((25498578 6679764,25498577 6679761,25498577 6679757,25498576
 6679753,25498576 6679750,25498575 6679746,25498575 6679742,25498574
 6679739,25498574 6679735,25498574 6679731,25498573 6679728,25498615
 6679713,25498649 6679749,25498630 6679763,25498627 6679765,25498617
 6679755,25498616 6679755,25498616 6679755,25498616 6679755,25498578
 6679764))'::geometry,
   'MULTISURFACE(CURVEPOLYGON(COMPOUNDCURVE(CIRCULARSTRING(25498687
 6679795,25498671 6679773,25498653 6679752),(25498653 6679752,25498650
 6679749,25498615 6679713,25498585 6679680),CIRCULARSTRING(25498585
 6679680,25498576 6679678,25498571 6679686),(25498571 6679686,25498573
 6679718,25498573 6679718,25498573 6679718),CIRCULARSTRING(25498573
 6679718,25498576 6679753,25498582 6679787,25498583 6679788,25498583
 6679789),(25498583 6679789,25498583 6679792,25498577 6679793),(25498577
 6679793,25498558 6679652,25498706 6679794,25498687 6679795))))'::geometry
 ) AS dist;
 }}}
 Assigning this to an old milestone, as I think this is probably behaviour
 that dates to the original implementation.

--
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5989#comment:2>
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