두 도형의 합집합

항목	값
화면 이름	Geometry union
식별자	`geometryUnionV1`
지원 실행 방식	Batch, Faster, Streaming
범주	지리공간 (Geospatial)
반환 자료형	`Geometry`

두 도형을 결합하여 하나의 도형을 만듭니다.

입력 인자

이름	지정 여부	자료형	의미와 조건
`Geometry a`	필수	`Expression<Geometry>`	도형 a입니다.
`Geometry b`	필수	`Expression<Geometry>`	도형 b입니다.

입출력 예시

예시 1: 기본 동작

인자 값:

Geometry a: geometry_a
Geometry b: geometry_b

geometry_a	geometry_b	출력
{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]]}	{"type":"Polygon","coordinates":[[[0.5,0.0],[1.5,0.0],[1.5,1.0],[0.5,1.0],[0.5,0.0]]]}	{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[0.5,1.0],[1.0,1.0],[1.5,1.0],[1.5,0.0],[1.0,0.0],[0.5,0.0],[0.0,0.0]]]}
{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]]}	{"type":"Polygon","coordinates":[[[5.0,5.0],[5.0,6.0],[6.0,6.0],[6.0,5.0],[5.0,5.0]]]}	{"type":"MultiPolygon","coordinates":[[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]],[[[5.0,5.0],[5.0,6.0],[6.0,6.0],[6.0,5.0],[5.0,5.0]]]]}
{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]]}	{"type":"Polygon","coordinates":[[[1.0,0.0],[1.0,1.0],[2.0,1.0],[2.0,0.0],[1.0,0.0]]]}	{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[2.0,1.0],[2.0,0.0],[1.0,0.0],[0.0,0.0]]]}
{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]]}	{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]],[[0.25,0.25],[0.5,0.25],[0.5,0.5],[0.25,0.5],[0.25,0.25]]]}	{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]]}
{"type":"LineString","coordinates":[[0.0,0.0],[1.0,0.0]]}	{"type":"Polygon","coordinates":[[[1.0,0.0],[1.0,1.0],[2.0,1.0],[2.0,0.0],[1.0,0.0]]]}	{"type":"GeometryCollection","geometries":[{"type":"LineString","coordinates":[[0.0,0.0],[1.0,0.0]]},{"type":"Polygon","coordinates":[[[1.0,0.0],[1.0,1.0],[2.0,1.0],[2.0,0.0],[1.0,0.0]]]}]}