transformation_intersect

Calculate the geometric intersection of two polygons using GeoJSON data to identify overlapping areas and shared boundaries between spatial features.

Instructions

计算多边形的交集。

该函数使用 Turf.js 库的 intersect 方法，计算两个多边形的几何交集。

Args: featureCollection: 包含两个多边形的 GeoJSON FeatureCollection - 类型: str (JSON 字符串格式的 GeoJSON) - 格式: 必须符合 GeoJSON FeatureCollection 规范，包含两个 Polygon 特征 - 坐标系: WGS84 (经度在前，纬度在后) - 示例: '{"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[-122.801742, 45.48565], [-122.801742, 45.60491], [-122.584762, 45.60491], [-122.584762, 45.48565], [-122.801742, 45.48565]]]}}, {"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[-122.520217, 45.535693], [-122.64038, 45.553967], [-122.720031, 45.526554], [-122.669906, 45.507309], [-122.723464, 45.446643], [-122.532577, 45.408574], [-122.487258, 45.477466], [-122.520217, 45.535693]]]}}]}'

Returns: str: JSON 字符串格式的交集 GeoJSON Feature - 类型: GeoJSON Feature with Polygon or MultiPolygon geometry - 格式: {"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [...]}} 或 null（如果没有交集） - 示例: '{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[-122.6, 45.5], [-122.5, 45.5], ...]]}}'

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 >>> featureCollection = '{"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[-122.801742, 45.48565], [-122.801742, 45.60491], [-122.584762, 45.60491], [-122.584762, 45.48565], [-122.801742, 45.48565]]]}}, {"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[-122.520217, 45.535693], [-122.64038, 45.553967], [-122.720031, 45.526554], [-122.669906, 45.507309], [-122.723464, 45.446643], [-122.532577, 45.408574], [-122.487258, 45.477466], [-122.520217, 45.535693]]]}}]}' >>> result = asyncio.run(intersect(featureCollection)) >>> print(result) '{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[-122.6, 45.5], [-122.5, 45.5], ...]]}}'

Notes: - 输入参数 featureCollection 必须是有效的 JSON 字符串 - 坐标顺序为 [经度, 纬度] (WGS84 坐标系) - 如果没有交集，返回 null - 交集可以是 Point、LineString、Polygon 或 Multi* 几何类型 - 依赖于 Turf.js 库和 Node.js 环境

Input Schema

Name	Required	Description	Default
`featureCollection`	Yes

Input Schema (JSON Schema)

{ "properties": { "featureCollection": { "type": "string" } }, "required": [ "featureCollection" ], "type": "object" }

Turf-MCP