Geometry intersection（几何相交）

Supported in: Batch, Faster, Streaming

Calculates the portion of geometry a that is intersecting geometry b.

Expression categories: Geospatial

Declared arguments

• Geometry a: Geometry a.
  Expression\
• Geometry b: Geometry b.
  Expression\

Output type: Geometry

Examples

Example 1: Base case

Argument values:

• Geometry a: geometry_a
• Geometry b: geometry_b

geometry_a	geometry_b	Output
{"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":[[[0.5,1.0],[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":[[]]}
{"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":"LineString","coordinates":[[1.0,1.0],[1.0,0.0]]}
{"type":"Point","coordinates":[0.0,0.0]}	{"type":"LineString","coordinates":[[0.0,0.0],[1.0,0.0]]}	{"type":"Point","coordinates":[0.0,0.0]}
{"type":"LineString","coordinates":[[0.0,0.0],[1.0,0.0]]}	{"type":"Polygon","coordinates":[[[2.0,0.0],[2.0,1.0],[3.0,1.0],[3.0,0.0],[2.0,0.0]]]}	{"type":"LineString","coordinates":[]}

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中文翻译

几何相交

支持：批量计算（Batch）、快速计算（Faster）、流式计算（Streaming）

计算几何体 a 与几何体 b 相交的部分。

表达式类别： 地理空间（Geospatial）

声明的参数

• 几何体 a（Geometry a）： 几何体 a。
  表达式\
• 几何体 b（Geometry b）： 几何体 b。
  表达式\

输出类型： Geometry

示例

示例 1：基础情况

参数值：

• 几何体 a： geometry_a
• 几何体 b： geometry_b

geometry_a	geometry_b	输出
{"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":[[[0.5,1.0],[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":[[]]}
{"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":"LineString","coordinates":[[1.0,1.0],[1.0,0.0]]}
{"type":"Point","coordinates":[0.0,0.0]}	{"type":"LineString","coordinates":[[0.0,0.0],[1.0,0.0]]}	{"type":"Point","coordinates":[0.0,0.0]}
{"type":"LineString","coordinates":[[0.0,0.0],[1.0,0.0]]}	{"type":"Polygon","coordinates":[[[2.0,0.0],[2.0,1.0],[3.0,1.0],[3.0,0.0],[2.0,0.0]]]}	{"type":"LineString","coordinates":[]}

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