Property talk:P1338

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EPSG CRS
identifier for coordinate reference systems per European Petroleum Survey Group Geodetic Parameter Dataset

Description	European Petroleum Survey Group Geodesy ID for geodetic datum
Represents	EPSG Geodetic Parameter Dataset (Q69567457)
Associated item	European Petroleum Survey Group (Q473598)
Data type	External identifier
Domain	According to this template: Geodetic datum items According to statements in the property: geodetic reference system (Q1502887) or spatial reference system (Q161779) When possible, data should only be stored as statements
Allowed values	[1-9]\d{3,4} (numeric string, 4 or 5 digits)
Example	SWEREF99 (Q10659701) → 4619 Caspian Sea (Q5484) → 5106
Source	https://epsg.org
Formatter URL	https://epsg.org/crs_$1/index.html
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P1338 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 124 Main statement 121 97.6% of uses Qualifier 2 1.6% of uses Reference 1 0.8% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Format “[1-9]\d{3,4}”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: RD coordinates (Q17506020)
List of violations of this constraint: Database reports/Constraint violations/P1338#Format, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1338#Unique value, SPARQL (every item), SPARQL (by value)

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1338#Single value, SPARQL

Type “geodetic reference system (Q1502887), spatial reference system (Q161779)”: item must contain property “instance of (P31), subclass of (P279)” with classes “geodetic reference system (Q1502887), spatial reference system (Q161779)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1338#Type Q1502887, Q161779, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1338#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1338#Scope, SPARQL

Change formatter URL to epsg.io

I'd like to change the formatter URL from http://spatialreference.org, a volunteer-run service that has fallen behind the EPSG database (e.g., [1], [2]). A modern successor is https://epsg.io (i.e. https://epsg.io/$1), which supports https and is more up-to-date with the current EPSG database. Mwtoews (talk) 20:21, 9 March 2016 (UTC)

@Mwtoews: Done. -- LaddΩ chat ;) 23:09, 17 May 2016 (UTC)

Change formatter URL to epsg.org

I'd like to again change the formatter URL to an authoritative source hosted at https://epsg.org. The formatter URL would be https://epsg.org/crs_$1/index.html Mwtoews (talk) 21:21, 10 January 2023 (UTC)

 Done. Mwtoews (talk) 22:44, 15 January 2023 (UTC)