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Diffstat (limited to 'jstests/geo_center_sphere2.js')
| -rw-r--r-- | jstests/geo_center_sphere2.js | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/jstests/geo_center_sphere2.js b/jstests/geo_center_sphere2.js deleted file mode 100644 index 5e17790e668..00000000000 --- a/jstests/geo_center_sphere2.js +++ /dev/null @@ -1,164 +0,0 @@ -// -// Tests the error handling of spherical queries -// along with multi-location documents. -// This is necessary since the error handling must manage -// multiple documents, and so requires simultaneous testing. -// - -function deg2rad(arg) { return arg * Math.PI / 180.0; } -function rad2deg(arg) { return arg * 180.0 / Math.PI; } - -function computexscandist(y, maxDistDegrees) { - return maxDistDegrees / Math.min(Math.cos(deg2rad(Math.min(89.0, y + maxDistDegrees))), - Math.cos(deg2rad(Math.max(-89.0, y - maxDistDegrees)))); -} - -function pointIsOK(startPoint, radius) { - yscandist = rad2deg(radius) + 0.01; - xscandist = computexscandist(startPoint[1], yscandist); - return (startPoint[0] + xscandist < 180) - && (startPoint[0] - xscandist > -180) - && (startPoint[1] + yscandist < 90) - && (startPoint[1] - yscandist > -90); -} - -var numTests = 30 - -for ( var test = 0; test < numTests; test++ ) { - - //var fixedTest = 6017 - //if( fixedTest ) test = fixedTest - - Random.srand( 1337 + test ); - - var radius = 5000 * Random.rand() // km - radius = radius / 6371 // radians - var numDocs = Math.floor( 400 * Random.rand() ) - // TODO: Wrapping uses the error value to figure out what would overlap... - var bits = Math.floor( 5 + Random.rand() * 28 ) - var maxPointsPerDoc = 50 - - t = db.sphere - - var randomPoint = function() { - return [ Random.rand() * 360 - 180, Random.rand() * 180 - 90 ]; - } - - // Get a start point that doesn't require wrapping - // TODO: Are we a bit too aggressive with wrapping issues? - var startPoint - var ex = null - do { - t.drop() - startPoint = randomPoint() - t.ensureIndex( { loc : "2d" }, { bits : bits } ) - } while (!pointIsOK(startPoint, radius)) - - var pointsIn = 0 - var pointsOut = 0 - var docsIn = 0 - var docsOut = 0 - var totalPoints = 0 - - for ( var i = 0; i < numDocs; i++ ) { - - var numPoints = Math.floor( Random.rand() * maxPointsPerDoc + 1 ) - var docIn = false - var multiPoint = [] - - totalPoints += numPoints - - for ( var p = 0; p < numPoints; p++ ) { - var point = randomPoint() - multiPoint.push( point ) - - if ( Geo.sphereDistance( startPoint, point ) <= radius ) { - pointsIn++ - docIn = true - } else { - pointsOut++ - } - } - - t.insert( { loc : multiPoint } ) - - if ( docIn ) - docsIn++ - else - docsOut++ - - } - - printjson( { test: test, - radius : radius, bits : bits, numDocs : numDocs, pointsIn : pointsIn, docsIn : docsIn, pointsOut : pointsOut, - docsOut : docsOut } ) - - assert.isnull( db.getLastError() ) - assert.eq( docsIn + docsOut, numDocs ) - assert.eq( pointsIn + pointsOut, totalPoints ) - - // $centerSphere - assert.eq( docsIn, t.find( { loc : { $within : { $centerSphere : [ startPoint, radius ] } } } ).count() ) - - // $nearSphere - var results = t.find( { loc : { $nearSphere : startPoint, $maxDistance : radius } } ).limit( 2 * pointsIn ) - .toArray() - - assert.eq( docsIn, results.length ) - - var distance = 0; - for ( var i = 0; i < results.length; i++ ) { - - var minNewDistance = radius + 1 - for( var j = 0; j < results[i].loc.length; j++ ){ - var newDistance = Geo.sphereDistance( startPoint, results[i].loc[j] ) - if( newDistance < minNewDistance && newDistance >= distance ) minNewDistance = newDistance - } - - //print( "Dist from : " + results[i].loc[j] + " to " + startPoint + " is " - // + minNewDistance + " vs " + radius ) - - assert.lte( minNewDistance, radius ) - assert.gte( minNewDistance, distance ) - distance = minNewDistance - - } - - // geoNear - var results = db.runCommand( { - geoNear : "sphere", near : startPoint, maxDistance : radius, num : 2 * pointsIn, spherical : true } ).results - - /* - printjson( results ); - - for ( var j = 0; j < results[0].obj.loc.length; j++ ) { - var newDistance = Geo.sphereDistance( startPoint, results[0].obj.loc[j] ) - if( newDistance <= radius ) print( results[0].obj.loc[j] + " : " + newDistance ) - } - */ - - assert.eq( docsIn, results.length ) - - var distance = 0; - for ( var i = 0; i < results.length; i++ ) { - var retDistance = results[i].dis - - // print( "Dist from : " + results[i].loc + " to " + startPoint + " is " - // + retDistance + " vs " + radius ) - - var distInObj = false - for ( var j = 0; j < results[i].obj.loc.length && distInObj == false; j++ ) { - var newDistance = Geo.sphereDistance( startPoint, results[i].obj.loc[j] ) - distInObj = ( newDistance >= retDistance - 0.0001 && newDistance <= retDistance + 0.0001 ) - } - - assert( distInObj ) - assert.lte( retDistance, radius ) - assert.gte( retDistance, distance ) - distance = retDistance - } - - //break; -} - - |