/**
* {@inheritdoc}
*/
public function coordinateSystem()
{
if ($this->proxyGeometry === null) {
$this->load();
}
return $this->proxyGeometry->coordinateSystem();
}
public function testCreate()
{
$triangle1 = Triangle::fromText('TRIANGLE ((1 1, 1 2, 2 2, 1 1))');
$triangle2 = Triangle::fromText('TRIANGLE ((1 1, 2 2, 2 1, 1 1))');
$tin = TIN::of($triangle1, $triangle2);
$this->assertWktEquals($tin, 'TIN (((1 1, 1 2, 2 2, 1 1)), ((1 1, 2 2, 2 1, 1 1)))');
}