https://bugzilla.wikimedia.org/show_bug.cgi?id=62105
Maarten Dammers <maar...@mdammers.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|Unprioritized |High
--- Comment #1 from Maarten Dammers <maar...@mdammers.nl> ---
Ok. Did some digging. The type is defined at
https://meta.wikimedia.org/wiki/Wikidata/Data_model#Geographic_locations
a precision (decimal, representing degrees of distance, defaults to 0, 9 digits
after the dot and three before, unsigned, used to save the precision of the
representation)
After some digging I found
http://git.wikimedia.org/blob/mediawiki%2Fextensions%2FDataValues.git/727ccd66b03f42e1f5458ea204ca15b315cf5f04/DataValues%2Fresources%2FglobeCoordinate.js%2Fsrc%2FglobeCoordinate.GlobeCoordinate.js
function isValidPrecision( precision ) {
var precisions = globeCoordinate.GlobeCoordinate.PRECISIONS;
for( var i in precisions ) {
if( Math.abs( precision - precisions[i] ) < 0.0000001 ) {
return true;
}
}
return false;
}
/**
* Precisions a globe coordinate may feature.
* @type {number[]}
*/
GlobeCoordinate.PRECISIONS = [
10,
1,
0.1,
1 / 60,
0.01,
0.001,
1 / 3600,
0.0001,
1 / 36000,
0.00001,
1 / 360000,
0.000001,
1 / 3600000
];
So it looks like only these values (with a minor deviation of 0.0000001) are
considered valid. Is this true? Is this intentional? Where the hell is this
documented? If this is true, why does the api accept invalid precisions?
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