[PostGIS] #6075: Extend ST_GetFaceGeometry with a optional srid parameter for geom

[PostGIS]

#6075: Extend ST_GetFaceGeometry with a optional srid parameter for geom
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 Reporter:  Lars Aksel Opsahl  |      Owner:  strk
     Type:  enhancement        |     Status:  new
 Priority:  medium             |  Milestone:  PostGIS 3.6.3
Component:  topology           |    Version:  3.6.x
 Keywords:                     |
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 When using ST_Transform on simple feature surface objects, we may end up
 with tiny gaps and overlaps. This is especially visible in cases with a
 low point density, such as the one described here:
 https://trac.osgeo.org/postgis/ticket/6071
 One possible solution would be to add an optional parameter to
 https://postgis.net/docs/ST_GetFaceGeometry.html
 that specifies the SRID of the output geometry.
 With this approach, each individual edge could be transformed before
 assembling the surface geometry, rather than transforming the final
 surface as a whole. This should reduce the risk of introducing small gaps
 or overlaps caused by projection distortions.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6075>
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