measurement_midpoint
Calculate the midpoint between two geographic points using GeoJSON coordinates. Returns the central point location for mapping and spatial analysis applications.
Instructions
计算两点之间的中点。
该函数使用 Turf.js 库的 midpoint 方法，计算两个 GeoJSON 点特征之间的中点。
Args: point1: 第一个 GeoJSON Point 特征或几何图形 - 类型: str (JSON 字符串格式的 GeoJSON) - 格式: 必须符合 GeoJSON Point 规范 - 坐标系: WGS84 (经度在前，纬度在后) - 示例: '{"type": "Point", "coordinates": [144.834823, -37.771257]}'
Returns: str: JSON 字符串格式的 GeoJSON Point 特征 - 类型: GeoJSON Feature with Point geometry - 格式: {"type": "Feature", "geometry": {"type": "Point", "coordinates": [lng, lat]}} - 示例: '{"type": "Feature", "geometry": {"type": "Point", "coordinates": [144.9886315, -37.801097]}}'
Raises: Exception: 当 JavaScript 执行失败、超时或输入数据格式错误时抛出异常
Example: >>> import asyncio >>> point1 = '{"type": "Point", "coordinates": [144.834823, -37.771257]}' >>> point2 = '{"type": "Point", "coordinates": [145.14244, -37.830937]}' >>> result = asyncio.run(midpoint(point1, point2)) >>> print(result) '{"type": "Feature", "geometry": {"type": "Point", "coordinates": [144.9886315, -37.801097]}}'
Notes: - 输入参数 point1 和 point2 必须是有效的 JSON 字符串 - 坐标顺序为 [经度, 纬度] (WGS84 坐标系) - 计算的是两点之间的球面中点 - 依赖于 Turf.js 库和 Node.js 环境
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| point1 | Yes | ||
| point2 | Yes |