D 2020-08-02T16:10:31.544
J icomment Hi\sEven,\r\n\r\nsupporting\sa\s+towgs84\sterm\sin\s"old\sstyle"\sgeodesic\sstrings\scontained\sinto\sspatial_ref_sys\sis\sabsolutely\sintentional.\r\n\r\nhere\sis\sa\sshort\srationale:\r\n1.\swhen\sspatialite\sis\slinked\sagainst\sPROJ.6\sor\sPROJ.7\sall\sgeodesic\sdefinitions\sare\r\n\s\s\salways\sretrieved\sdirectly\sfrom\sthe\sPROJ\sown\ssqlite\sDB\r\n2.\sso\sthe\sold\sgeodesic\sstrings\sin\sspatial_ref_sys\sare\sstill\sthere\sjust\sto\ssupport\r\n\s\s\sthe\scase\swhen\sspatialite\sis\slinked\sagainst\ssome\sobsolete\sversion\sof\sPROJ,\r\n\s\s\sand\sin\sthis\scase\sdefining\s+towgs84\sis\sabsolutely\srequired\sin\sorder\sto\r\n\s\s\spreserve\sa\sfair\shistorical\scoherence.\r\n\r\nfuture\sperspectives:\swhen\sold\sPROJ\sversions\swill\sbe\sreasonably\sdisappeared,\s\r\nspatial_ref_sys\swill\sbecome\sjust\sa\splain\sdictionary\s(SRID,\sauth_name,\sauth_srid\s\r\nand\sref_sys_name)\smainly\sintended\sto\ssupport\sForeign\sKey\sconstrains\sin\s\r\ngeometry_columns,\sbut\swill\sno\slonger\scontain\sany\sgeodesic\sdata\sat\sall.
J login sandro
J mimetype text/x-fossil-plain
J priority Immediate
J resolution Works_As_Designed
J status Closed
K 970ab8322e4995793b6b3acb872d1e6a100af60b
U sandro
Z e3c792c5a98d241612021dbc76f7de00