도형 차집합

항목	값
화면 이름	Geometry difference
식별자	`geometryDifferenceV1`
지원 실행 방식	Batch, Faster, Streaming
범주	지리공간 (Geospatial)
반환 자료형	`Geometry`

도형 a 중 도형 b와 교차하지 않는 부분을 계산합니다.

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":[[[0.25,0.25],[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]],[[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":"Polygon","coordinates":[[[0.0,0.0],[0.5,0.0],[0.5,1.0],[0.0,1.0],[0.0,0.0]]]}	{"type":"Polygon","coordinates":[[[0.5,1.0],[1.0,1.0],[1.0,0.0],[0.5,0.0],[0.5,1.0]]]}
{"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":"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]]]}	{"type":"LineString","coordinates":[[0.0,0.0],[0.0,1.0]]}	{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]]}

예시 2: 경계 조건

인자 값:

Geometry a: geometry_a
Geometry b: geometry_b

geometry_a	geometry_b	출력
{"type":"Point","coordinates":[0.0,0.0]}	{"type":"Point","coordinates":[0.0,0.0]}	{"type":"Point","coordinates":[]}
{"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]]]}	{"type":"Polygon","coordinates":[[]]}
{"type":"Point","coordinates":[0.0,0.0]}	{"type":"LineString","coordinates":[[0.0,0.0],[0.0,1.0]]}	{"type":"Point","coordinates":[]}
{"type":"LineString","coordinates":[[0.0,0.0],[0.0,1.0]]}	{"type":"Polygon","coordinates":[[[0.0,0.0],[0.0,1.0],[1.0,1.0],[1.0,0.0],[0.0,0.0]]]}	{"type":"LineString","coordinates":[]}