Coordinate display rules

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Revision as of 07:43, 21 August 2015 by Evinek (talk | contribs)
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This query shows the different combination of coordrefsys, coordformat and userinputformat used in the database.

  1. Verify that all combinations are correct, if not they need to be corrected.
  2. Verify that you have prj files for all used non-standard coordinate systems e.g. Kandawala.
SELECT
geopoint.coordrefsys,
geopoint.coordformat,
geopoint.userinputformat,
Count(geopoint.geopoint_guid)
FROM
geopoint
GROUP BY
geopoint.coordrefsys,
geopoint.coordformat,
geopoint.userinputformat
ORDER BY
geopoint.coordrefsys ASC,
geopoint.coordformat ASC,
geopoint.userinputformat ASC

This query identifies coordinates where the userenteredcoord contains : when coordformat is Decimal Degrees

SELECT
geopoint.longitude,
geopoint.latitude,
geopoint.coordrefsys,
geopoint.coordformat,
geopoint.userinputformat,
geopoint.userenteredcoord
FROM
geopoint
WHERE
userenteredcoord LIKE '%:%'
AND coordformat = 'Decimal Degrees'

This query identifies coordinates where the userenteredcoord does not contains 4 : when coordformat is Degrees:Minutes:Seconds

SELECT
geopoint.coordrefsys,
geopoint.userinputformat,
geopoint.coordformat,
geopoint.userenteredcoord,
LENGTH(userenteredcoord) - LENGTH(REPLACE( userenteredcoord, ':', '')) AS occ

FROM
geopoint
WHERE
geopoint.userenteredcoord LIKE  '%:%' and
LENGTH(userenteredcoord) - LENGTH(REPLACE( userenteredcoord, ':', '')) <> 4
and coordformat = 'Degrees:Minutes:Seconds'

This query identifies coordinates where the userenteredcoord does not contains 2 : when coordformat is Degrees:Decimal Minutes

SELECT
geopoint.coordrefsys,
geopoint.userinputformat,
geopoint.coordformat,
geopoint.userenteredcoord,
LENGTH(userenteredcoord) - LENGTH(REPLACE( userenteredcoord, ':', '')) AS occ

FROM
geopoint
WHERE
geopoint.userenteredcoord LIKE  '%:%' and
LENGTH(userenteredcoord) - LENGTH(REPLACE( userenteredcoord, ':', '')) <> 2
and coordformat = 'Degrees:Decimal Minutes'

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