Property talk:P3037

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spatial reference system
frame of reference used to produce a map

Represents	spatial reference system (Q161779)
Data type	Item
Domain	map (Q4006) or geospatial dataset (Q124312506)
Example	Basic Map 1961 No 2034 06 (Q24642599) → KKJ3 (Q24614838)
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 By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers 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) Database reports/Complex constraint violations/P3037 Database reports/Constraint violations/P3037 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 16 Main statement 4 25% of uses Qualifier 10 62.5% of uses Reference 2 12.5% of uses
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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/P3037#Single value, SPARQL

Type “map (Q4006), geospatial dataset (Q124312506)”: item must contain property “instance of (P31)” with classes “map (Q4006), geospatial dataset (Q124312506)” 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/P3037#Type Q4006, Q124312506, SPARQL

Value type “spatial reference system (Q161779), geodetic reference system (Q1502887), height reference system (Q31087202), geographic coordinate system (Q22664)”: This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value spatial reference system (Q161779), geodetic reference system (Q1502887), height reference system (Q31087202), geographic coordinate system (Q22664) (or a subclass thereof). (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/P3037#Value type Q161779, Q1502887, Q31087202, Q22664, SPARQL

Scope is as qualifier (Q54828449), as main value (Q54828448): 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/P3037#Scope, 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/P3037#Entity types

true