[postgis-tickets] [PostGIS] #5207: ST_Transform NAD27 --> WGS84 Inconsistencies

PostGIS trac at osgeo.org
Wed Aug 17 18:31:17 PDT 2022


#5207: ST_Transform NAD27 --> WGS84 Inconsistencies
---------------------------+-------------------------------
  Reporter:  judsoncrouch  |      Owner:  pramsey
      Type:  defect        |     Status:  new
  Priority:  high          |  Milestone:  PostGIS Packaging
 Component:  postgis       |    Version:  3.2.x
Resolution:                |   Keywords:
---------------------------+-------------------------------
Comment (by robe):

 Upgrading with new world files didn't seem to help.  However I did find
 out that if I copy these files (in the attached zip) which are missing in
 my install for some reason (I have to troubleshoot why), then my Windows
 install starts giving answers more along the lines of what you were
 hoping.


 {{{
 select ST_AsText(st_transform(st_setsrid(ST_POINT(-99.723991251,
 35.954241741), 4267), 4326))
 }}}

 now return:

 {{{
 POINT(-99.72438152583983 35.95428699761243)
 }}}

 So definitely one of the files there.
 before it was returning:


 {{{
 POINT(-99.72437633585803 35.95430452419984)
 }}}

 So try copying the attached files to your /usr/share/proj folder and see
 if that fixes your issue.
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5207#comment:4>
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