Peb added a comment.
I have implemented for GeoJSON, GPX, and KML. here's the snippet. three small
npm libraries are used : wicket (parsing WKT), togpx, tokml
/**
* Get the result of the submitted query as GeoJSON
*
* @return {object}
*/
SELF.prototype._getResultAsGeoJson = function() {
var output = [],
data = this._rawData;
var wkt = new Wkt.Wkt();
output = this._processData( data, function( row, out ) {
var newRow = {};
for ( var rowVar in row ) {
var binding = ( row[rowVar] || {} );
if ( binding.type === 'literal' &&
binding.datatype && binding.datatype ===
'http://www.opengis.net/ont/geosparql#wktLiteral' ) {
wkt.read( binding.value );
newRow._lat = wkt.components[0].y;
newRow._lng = wkt.components[0].x;
} else {
newRow[rowVar] = binding.value;
}
}
out.push( newRow );
return out;
}, output );
return GeoJSON.parse( output, { Point: ['_lat', '_lng'] } );
};
/**
* Get the result of the submitted query as GeoJSON
*
* @return {string}
*/
SELF.prototype.getResultAsGeoJson = function() {
return JSON.stringify( this._getResultAsGeoJson() );
};
/**
* Get the result of the submitted query as GPX
*
* @return {string}
*/
SELF.prototype.getResultAsGPX = function() {
var gj = this._getResultAsGeoJson();
return togpx( gj );
};
/**
* Get the result of the submitted query as KML
*
* @return {string}
*/
SELF.prototype.getResultAsKML = function() {
var gj = this._getResultAsGeoJson();
return tokml( gj );
};
TASK DETAIL
https://phabricator.wikimedia.org/T216601
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To: Peb
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Chicocvenancio, JakeTheDeveloper, MichaelSchoenitzer_WMDE, QZanden, EBjune,
merbst, LawExplorer, Jogi_don, _jensen, rosalieper, D3r1ck01, Jonas, Xmlizer,
jkroll, Smalyshev, Wikidata-bugs, Jdouglas, Jdlrobson, aude, Tobias1984,
Manybubbles, Lydia_Pintscher, TheDJ, Mbch331, Rxy
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