misc_line_intersect

Calculate intersection points between two lines or polygons using GeoJSON geometry data to identify where spatial features cross paths.

Instructions

计算两条线的交点。

此功能计算两条线或多边形几何图形之间的交点，返回所有交叉点的位置坐标。

Args: line1: 第一条线 GeoJSON 特征或几何图形 - 类型: str (JSON 字符串格式的 GeoJSON) - 格式: 支持 LineString、MultiLineString、Polygon、MultiPolygon - 坐标系: WGS84 (经度在前，纬度在后) - 示例: '{"type": "LineString", "coordinates": [[126, -11], [129, -21]]}'

line2: 第二条线 GeoJSON 特征或几何图形 - 类型: str (JSON 字符串格式的 GeoJSON) - 格式: 支持 LineString、MultiLineString、Polygon、MultiPolygon - 坐标系: WGS84 (经度在前，纬度在后) - 示例: '{"type": "LineString", "coordinates": [[123, -18], [131, -14]]}' options: 可选参数配置 - 类型: str (JSON 字符串) 或 None - 可选字段: - removeDuplicates: 是否移除重复交点 (默认: true) - ignoreSelfIntersections: 是否忽略自相交点 (默认: true) - 示例: '{"removeDuplicates": true, "ignoreSelfIntersections": true}'

Returns: str: JSON 字符串格式的点特征集合 - 类型: GeoJSON FeatureCollection with Point features - 格式: {"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "Point", "coordinates": [lng, lat]}}, ...]}

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 >>> line1 = '{"type": "LineString", "coordinates": [[126, -11], [129, -21]]}' >>> line2 = '{"type": "LineString", "coordinates": [[123, -18], [131, -14]]}' >>> result = asyncio.run(line_intersect(line1, line2)) >>> print(result) '{"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "Point", "coordinates": [127.5, -16]}}]}'

Notes: - 输入参数 line1 和 line2 必须是有效的 JSON 字符串 - 坐标顺序为 [经度, 纬度] (WGS84 坐标系) - 返回两条线之间的所有交点 - 依赖于 Turf.js 库和 Node.js 环境

Input Schema

Name	Required	Description	Default
`line1`	Yes
`line2`	Yes
`options`	No

Input Schema (JSON Schema)

{ "properties": { "line1": { "type": "string" }, "line2": { "type": "string" }, "options": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null } }, "required": [ "line1", "line2" ], "type": "object" }

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