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//
// Tests for polygon querying with varying levels of accuracy
//
var numTests = 31;
for (var n = 0; n < numTests; n++) {
t = db.geo_polygon3;
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"}, {bits: 2 + n});
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}}}).itcount(), "Triangle Test");
boxBounds = [[0, 0], [0, 10], [10, 10], [10, 0]];
assert.eq(
num, t.find({loc: {"$within": {"$polygon": boxBounds}}}).itcount(), "Bounding Box Test");
// 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}}}).itcount(),
"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
t.ensureIndex({loc: "2d"}, {bits: 2 + t});
assert.eq(1, t.find({loc: {$within: {$polygon: pacman}}}).itcount(), "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}}}).itcount(), "Pacman double point");
}
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