measurement_midpoint
Calculate the midpoint between two geographic points using GeoJSON coordinates to find central locations for mapping and spatial analysis.
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 |