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29 lines
751 B
JavaScript
29 lines
751 B
JavaScript
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t = db.geo9
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t.drop();
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t.save( { _id : 1 , a : [ 10 , 10 ] , b : [ 50 , 50 ] } )
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t.save( { _id : 2 , a : [ 11 , 11 ] , b : [ 51 , 52 ] } )
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t.save( { _id : 3 , a : [ 12 , 12 ] , b : [ 52 , 52 ] } )
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t.save( { _id : 4 , a : [ 50 , 50 ] , b : [ 10 , 10 ] } )
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t.save( { _id : 5 , a : [ 51 , 51 ] , b : [ 11 , 11 ] } )
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t.save( { _id : 6 , a : [ 52 , 52 ] , b : [ 12 , 12 ] } )
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t.ensureIndex( { a : "2d" } )
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t.ensureIndex( { b : "2d" } )
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function check( field ){
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var q = {}
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q[field] = { $near : [ 11 , 11 ] }
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arr = t.find( q ).limit(3).map(
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function(z){
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return Geo.distance( [ 11 , 11 ] , z[field] );
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}
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);
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assert.eq( 2 * Math.sqrt( 2 ) , Array.sum( arr ) , "test " + field );
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}
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check( "a" )
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check( "b" )
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