1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
//
// Tests for N-dimensional polygon querying
//
t = db.geo_polygon1;
t.drop();
num = 0;
for (x = 1; x < 9; x++) {
for (y = 1; y < 9; y++) {
o = {_id: num++, loc: [x, y]};
t.save(o);
}
}
t.ensureIndex({loc: "2d"});
triangle = [[0, 0], [1, 1], [0, 2]];
// Look at only a small slice of the data within a triangle
assert.eq(1, t.find({loc: {"$within": {"$polygon": triangle}}}).count(), "Triangle Test");
boxBounds = [[0, 0], [0, 10], [10, 10], [10, 0]];
assert.eq(num, t.find({loc: {"$within": {"$polygon": boxBounds}}}).count(), "Bounding Box Test");
// Make sure we can add object-based polygons
assert.eq(num,
t.find({
loc: {$within: {$polygon: {a: [-10, -10], b: [-10, 10], c: [10, 10], d: [10, -10]}}}
}).count());
// Look in a box much bigger than the one we have data in
boxBounds = [[-100, -100], [-100, 100], [100, 100], [100, -100]];
assert.eq(
num, t.find({loc: {"$within": {"$polygon": boxBounds}}}).count(), "Big Bounding Box Test");
t.drop();
pacman = [
[0, 2],
[0, 4],
[2, 6],
[4, 6], // Head
[6, 4],
[4, 3],
[6, 2], // Mouth
[4, 0],
[2, 0] // Bottom
];
t.save({loc: [1, 3]}); // Add a point that's in
assert.commandWorked(t.ensureIndex({loc: "2d"}));
assert.eq(1, t.find({loc: {$within: {$polygon: pacman}}}).count(), "Pacman single point");
t.save({loc: [5, 3]}); // Add a point that's out right in the mouth opening
t.save({loc: [3, 7]}); // Add a point above the center of the head
t.save({loc: [3, -1]}); // Add a point below the center of the bottom
assert.eq(1, t.find({loc: {$within: {$polygon: pacman}}}).count(), "Pacman double point");
// Make sure we can't add bad polygons
okay = true;
try {
t.find({loc: {$within: {$polygon: [1, 2]}}}).toArray();
okay = false;
} catch (e) {
}
assert(okay);
try {
t.find({loc: {$within: {$polygon: [[1, 2]]}}}).toArray();
okay = false;
} catch (e) {
}
assert(okay);
try {
t.find({loc: {$within: {$polygon: [[1, 2], [2, 3]]}}}).toArray();
okay = false;
} catch (e) {
}
assert(okay);
|