도형 배열 합집합

항목	값
화면 이름	Geometry array (unary) union
식별자	`geometryArrayUnionV1`
지원 실행 방식	Batch, Faster, Streaming
범주	지리공간 (Geospatial)
반환 자료형	`T`

도형 배열을 하나의 도형으로 결합하고 겹치는 부분을 합칩니다.

입력 인자

이름	지정 여부	자료형	의미와 조건
`Expression`	필수	`Expression<Array<T>>`	합집합을 구할 도형 배열입니다.

자료형 변수의 범위

T는 Geometry 범위의 자료형을 받습니다.

입출력 예시

예시 1: 기본 동작

인자 값:

Expression: geometries

geometries	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]]]}
[ ]	null
null	null

예시 2: 기본 동작

인자 값:

Expression: geometries

geometries	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":"P...	{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]]}

예시 3: 기본 동작

인자 값:

Expression: geometries

geometries	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":[[[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]]]]}

예시 4: 기본 동작

인자 값:

Expression: geometries

geometries	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":[[[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]]]}

예시 5: 기본 동작

인자 값:

Expression: geometries

geometries	출력
[ {"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]]]}]}

예시 6: 경계 조건

인자 값:

Expression: geometries

geometries	출력
[ {"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":[[[1.0,0.0],[1.0,1.0],[2.0,1.0],[2.0,0.0],[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]]]}

예시 7: 경계 조건

인자 값:

Expression: geometries

geometries	출력
[ {"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":[[[1.0,0.0],[1.0,1.0],[2.0,1.0],[2.0,0.0],[1.0,0.0]]]}

예시 8: 경계 조건

인자 값:

Expression: geometries

geometries	출력
[ {"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":[[[1.0,0.0],[1.0,1.0],[2.0,1.0]]]} ]	{"type":"Polygon","coordinates":[[[1.0,0.0],[1.0,1.0],[2.0,1.0],[2.0,0.0],[1.0,0.0]]]}

긴 구조값 안의 줄임표는 생략한 내용을 나타냅니다.