Get bearing from start point to end point（获取从起点到终点的方位角（bearing））¶
Supported in: Batch, Faster, Streaming
Calculates the absolute true bearing (clockwise angle relative to geographical north) from the first point to the second point in degrees using a spherical approximation of the earth.
Expression categories: Geospatial
Declared arguments¶
- Ending point: Longitude and latitude for the ending point.
Expression\ - Starting point: Longitude and latitude for the starting point.
Expression\
Output type: Double
Examples¶
Example 1: Base case¶
Argument values:
- Ending point:
end_point - Starting point:
start_point
| start_point | end_point | Output |
|---|---|---|
| { latitude: 40.69325025929194, longitude: -74.00522662934995, } |
{ latitude: 51.4988509390695, longitude: -0.1238396067697046, } |
51.20964213763489 |
Example 2: Edge case¶
Argument values:
- Ending point:
end_point - Starting point:
start_point
| start_point | end_point | Output |
|---|---|---|
| { latitude: -41.304077, longitude: 174.75, } |
{ latitude: -31.304077, longitude: 174.749, } |
359.99507958062 |
Example 3: Edge case¶
Argument values:
- Ending point:
end_point - Starting point:
start_point
| start_point | end_point | Output |
|---|---|---|
| { latitude: -41.304077, longitude: 174.75, } |
{ latitude: -31.304077, longitude: 174.75, } |
0.0 |
Example 4: Edge case¶
Argument values:
- Ending point:
end_point - Starting point:
start_point
| start_point | end_point | Output |
|---|---|---|
| { latitude: -41.304077, longitude: 174.774535, } |
{ latitude: 37.42984400901383, longitude: -122.16950590121428, } |
45.56453711814595 |
Example 5: Edge case¶
Argument values:
- Ending point:
end_point - Starting point:
start_point
| start_point | end_point | Output |
|---|---|---|
| null | null | null |
Example 6: Edge case¶
Argument values:
- Ending point:
end_point - Starting point:
start_point
| start_point | end_point | Output |
|---|---|---|
| { latitude: 48.8567, longitude: 2.3508, } |
{ latitude: 48.8567, longitude: 2.3508, } |
0.0 |
中文翻译¶
获取从起点到终点的方位角（bearing）¶
支持：批处理（Batch）、快速处理（Faster）、流处理（Streaming）
计算从第一个点到第二个点的绝对真方位角（true bearing，即相对于地理北极的顺时针角度），单位为度，采用地球球面近似模型。
表达式类别： 地理空间（Geospatial）
声明的参数¶
- 终点（Ending point）： 终点的经度和纬度。
表达式\ - 起点（Starting point）： 起点的经度和纬度。
表达式\
输出类型： Double
示例¶
示例 1：基本情况¶
参数值：
- 终点：
end_point - 起点：
start_point
| start_point | end_point | 输出 |
|---|---|---|
| { latitude: 40.69325025929194, longitude: -74.00522662934995, } |
{ latitude: 51.4988509390695, longitude: -0.1238396067697046, } |
51.20964213763489 |
示例 2：边界情况¶
参数值：
- 终点：
end_point - 起点：
start_point
| start_point | end_point | 输出 |
|---|---|---|
| { latitude: -41.304077, longitude: 174.75, } |
{ latitude: -31.304077, longitude: 174.749, } |
359.99507958062 |
示例 3：边界情况¶
参数值：
- 终点：
end_point - 起点：
start_point
| start_point | end_point | 输出 |
|---|---|---|
| { latitude: -41.304077, longitude: 174.75, } |
{ latitude: -31.304077, longitude: 174.75, } |
0.0 |
示例 4：边界情况¶
参数值：
- 终点：
end_point - 起点：
start_point
| start_point | end_point | 输出 |
|---|---|---|
| { latitude: -41.304077, longitude: 174.774535, } |
{ latitude: 37.42984400901383, longitude: -122.16950590121428, } |
45.56453711814595 |
示例 5：边界情况¶
参数值：
- 终点：
end_point - 起点：
start_point
| start_point | end_point | 输出 |
|---|---|---|
| null | null | null |
示例 6：边界情况¶
参数值：
- 终点：
end_point - 起点：
start_point
| start_point | end_point | 输出 |
|---|---|---|
| { latitude: 48.8567, longitude: 2.3508, } |
{ latitude: 48.8567, longitude: 2.3508, } |
0.0 |