注意：以下翻译的准确性尚未经过验证。这是使用 AIP ↗ 从原始英文文本进行的机器翻译。
支持于: 批处理, 流处理
获取几何中线字符串和多线字符串的长度，单位为米。使用球形近似地球。非线性几何（多边形和点）计为0。
表达式类别: 地理空间
输出类型: Double
参数值:
geometry| geometry | 输出 |
|---|---|
| {"type":"LineString","coordinates":[[-73.778128,40.641195],[-118.408535,33.941563]]} | 3974344.7433354934 |
| {"type":"LineString","coordinates":[[0.0,0.0],[1.0,0.0],[1.0,1.0],[1.0,2.0]]} | 333585.2407005987 |
| {"type":"MultiLineString","coordinates":[[[0.0,0.0],[1.0,0.0],[1.0,1.0]], [[1.0,2.0],[2.0,2.0]]]} | 333517.50194413937 |
参数值:
geometry| geometry | 输出 |
|---|---|
| null | null |
参数值:
geometry| geometry | 输出 |
|---|---|
| {"type":"GeometryCollection","geometries":[{"type":"Polygon","coordinates":[[[-1.0,-1.0],[-3.0,-1.0]... | 333517.50194413937 |
| {"type":"Polygon","coordinates":[[[-1.0,-1.0],[-3.0,-1.0],[-2.0,-2.0],[-1.0,-1.0]]]} | 0.0 |
| {"type":"MultiPoint","coordinates":[[23.0,30.0],[12.0,15.3]]} | 0.0 |