// Test some cases that might be iffy with $within, mostly related to polygon w/holes. t = db.geo_s2within t.drop() t.ensureIndex({geo: "2dsphere"}) somepoly = { "type" : "Polygon", "coordinates" : [ [ [40,5], [40,6], [41,6], [41,5], [40,5]]]} t.insert({geo: { "type" : "LineString", "coordinates": [ [ 40.1, 5.1], [40.2, 5.2]]}}) // This is only partially contained within the polygon. t.insert({geo: { "type" : "LineString", "coordinates": [ [ 40.1, 5.1], [42, 7]]}}) res = t.find({ "geo" : { "$within" : { "$geometry" : somepoly} } }) assert.eq(res.itcount(), 1); t.drop() t.ensureIndex({geo: "2dsphere"}) somepoly = { "type" : "Polygon", "coordinates" : [ [ [40,5], [40,8], [43,8], [43,5], [40,5]], [ [41,6], [42,6], [42,7], [41,7], [41,6]]]} t.insert({geo:{ "type" : "Point", "coordinates": [ 40, 5 ] }}) res = t.find({ "geo" : { "$within" : { "$geometry" : somepoly} } }) assert.eq(res.itcount(), 1); // In the hole. Shouldn't find it. t.insert({geo:{ "type" : "Point", "coordinates": [ 41.1, 6.1 ] }}) res = t.find({ "geo" : { "$within" : { "$geometry" : somepoly} } }) assert.eq(res.itcount(), 1); // Also in the hole. t.insert({geo: { "type" : "LineString", "coordinates": [ [ 41.1, 6.1], [41.2, 6.2]]}}) res = t.find({ "geo" : { "$within" : { "$geometry" : somepoly} } }) assert.eq(res.itcount(), 1); // Half-hole, half-not. Shouldn't be $within. t.insert({geo: { "type" : "LineString", "coordinates": [ [ 41.5, 6.5], [42.5, 7.5]]}}) res = t.find({ "geo" : { "$within" : { "$geometry" : somepoly} } }) assert.eq(res.itcount(), 1);