Create linestring geometry（创建线串几何（linestring geometry））

Supported in: Batch, Streaming

Creates a GeoJSON linestring geometry from the given points.

Expression categories: Geospatial

Declared arguments

• Points: The points that make up the linestring.
  Expression\>

Type variable bounds: T accepts Struct\

Output type: Geometry

Examples

Example 1: Base case

Argument values:

• Points: points

points	Output
[ {  latitude: 10.0,  longitude: 0.0, }, {  latitude: 10.0,  longitude: 10.0, } ]	{"type":"LineString","coordinates":[[0.0,10.0],[10.0,10.0]]}
[ {  latitude: 10.0,  longitude: 10.0, }, {  latitude: 20.0,<...	{"type":"LineString","coordinates":[[10.0,10.0],[20.0,20.0],[30.0,30.0]]}
[ {  latitude: 0.0,  longitude: 179.0, }, {  latitude: 0.0,  longitude: 181.0, } ]	{"type":"MultiLineString","coordinates":[[[179.0,0.0],[180.0,0.0]],[[-180.0,0.0],[-179.0,0.0]]]}
[ {  latitude: 0.0,  longitude: -179.0, }, {  latitude: 0.0,  longitude: -181.0, } ]	{"type":"MultiLineString","coordinates":[[[180.0,0.0],[179.0,0.0]],[[-179.0,0.0],[-180.0,0.0]]]}

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Example 2: Null case

Argument values:

• Points: points

points	Output
null	null
[ {  latitude: 0.0,  longitude: 0.0, }, null ]	null

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Example 3: Edge case

Argument values:

• Points: points

points	Output
[ ]	null
[ {  latitude: 0.0,  longitude: 0.0, } ]	null

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中文翻译

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创建线串几何（linestring geometry）

支持：批处理（Batch）、流处理（Streaming）

根据给定的点创建 GeoJSON 线串几何（linestring geometry）。

表达式类别： 地理空间（Geospatial）

声明的参数

• Points（点）： 构成线串的点。
  表达式\>

类型变量约束： T 接受 Struct\

输出类型： Geometry（几何）

示例

示例 1：基本情形

参数值：

• Points： points

points	输出
[ {  latitude: 10.0,  longitude: 0.0, }, {  latitude: 10.0,  longitude: 10.0, } ]	{"type":"LineString","coordinates":[[0.0,10.0],[10.0,10.0]]}
[ {  latitude: 10.0,  longitude: 10.0, }, {  latitude: 20.0,<...	{"type":"LineString","coordinates":[[10.0,10.0],[20.0,20.0],[30.0,30.0]]}
[ {  latitude: 0.0,  longitude: 179.0, }, {  latitude: 0.0,  longitude: 181.0, } ]	{"type":"MultiLineString","coordinates":[[[179.0,0.0],[180.0,0.0]],[[-180.0,0.0],[-179.0,0.0]]]}
[ {  latitude: 0.0,  longitude: -179.0, }, {  latitude: 0.0,  longitude: -181.0, } ]	{"type":"MultiLineString","coordinates":[[[180.0,0.0],[179.0,0.0]],[[-179.0,0.0],[-180.0,0.0]]]}

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示例 2：空值情形

参数值：

• Points： points

points	输出
null	null
[ {  latitude: 0.0,  longitude: 0.0, }, null ]	null

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示例 3：边界情形

参数值：

• Points： points

points	输出
[ ]	null
[ {  latitude: 0.0,  longitude: 0.0, } ]	null

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