t = db.geo_s2index t.drop() t.ensureIndex({geo: "2dsphere"}) // Let's try the examples in the GeoJSON spec. multiPointA = { "type": "MultiPoint", "coordinates": [ [100.0, 0.0], [101.0, 1.0] ] } t.insert({geo: multiPointA}); assert(!db.getLastError()); multiLineStringA = { "type": "MultiLineString", "coordinates": [ [ [100.0, 0.0], [101.0, 1.0] ], [ [102.0, 2.0], [103.0, 3.0] ]]} t.insert({geo: multiLineStringA}); assert(!db.getLastError()); multiPolygonA = { "type": "MultiPolygon", "coordinates": [ [[[102.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0]]], [[[100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0]], [[100.2, 0.2], [100.8, 0.2], [100.8, 0.8], [100.2, 0.8], [100.2, 0.2]]]]} t.insert({geo: multiPolygonA}) assert(!db.getLastError()); assert.eq(3, t.find({geo: {$geoIntersects: {$geometry: {"type": "Point", "coordinates": [100,0]}}}}).itcount()); assert.eq(3, t.find({geo: {$geoIntersects: {$geometry: {"type": "Point", "coordinates": [101.0,1.0]}}}}).itcount()); // Inside the hole in multiPolygonA assert.eq(0, t.find({geo: {$geoIntersects: {$geometry: {"type": "Point", "coordinates": [100.21,0.21]}}}}).itcount()); // One point inside the hole, one out. assert.eq(3, t.find({geo: {$geoIntersects: {$geometry: {"type": "MultiPoint", "coordinates": [[100,0],[100.21,0.21]]}}}}).itcount()); assert.eq(3, t.find({geo: {$geoIntersects: {$geometry: {"type": "MultiPoint", "coordinates": [[100,0],[100.21,0.21],[101,1]]}}}}).itcount()); // Polygon contains itself and the multipoint. assert.eq(2, t.find({geo: {$geoWithin: {$geometry: multiPolygonA}}}).itcount()); partialPolygonA = { "type": "Polygon", "coordinates": [ [[102.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0]] ] }; t.insert({geo: partialPolygonA}); assert(!db.getLastError()); // Polygon contains itself, the partial poly, and the multipoint assert.eq(3, t.find({geo: {$geoWithin: {$geometry: multiPolygonA}}}).itcount()); assert.eq(1, t.find({geo: {$geoWithin: {$geometry: partialPolygonA}}}).itcount()); // Itself, the multi poly, the multipoint... assert.eq(3, t.find({geo: {$geoIntersects: {$geometry: partialPolygonA}}}).itcount());