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Turf-MCP

by es3154

misc_sector

Create sector-shaped polygon areas from a center point with specified radius and bearing angles for geospatial analysis and mapping applications.

Instructions

创建扇形多边形区域。

此功能以给定点为中心,创建指定半径和方位角范围的扇形多边形区域。

Args: center: 中心点 GeoJSON 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": [-75, 40]}'

radius: 扇形半径 - 类型: float - 描述: 扇形的半径值 - 示例: 5.0 bearing1: 起始方位角 - 类型: float - 描述: 扇形起始方位角(从北方向顺时针测量) - 示例: 25.0 bearing2: 结束方位角 - 类型: float - 描述: 扇形结束方位角(从北方向顺时针测量) - 示例: 45.0 options: 可选参数配置 - 类型: str (JSON 字符串) 或 None - 可选字段: - units: 距离单位 (默认: 'kilometers') - 有效值: 'miles', 'nauticalmiles', 'kilometers', 'meters', 'yards', 'feet', 'inches' - steps: 扇形边界分段数 (默认: 64) - properties: 传递给扇形的属性对象 - 示例: '{"units": "miles", "steps": 32}'

Returns: str: JSON 字符串格式的 GeoJSON Polygon 特征 - 类型: GeoJSON Feature with Polygon geometry - 格式: {"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [...]}}

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 >>> center = '{"type": "Point", "coordinates": [-75, 40]}' >>> options = '{"units": "miles", "steps": 32}' >>> result = asyncio.run(sector(center, 5.0, 25.0, 45.0, options)) >>> print(result) '{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[-75, 40], ...]]}}'

Notes: - 输入参数 center 和 options 必须是有效的 JSON 字符串 - 坐标顺序为 [经度, 纬度] (WGS84 坐标系) - 方位角是从北方向顺时针测量的角度 - 依赖于 Turf.js 库和 Node.js 环境

Input Schema

NameRequiredDescriptionDefault
bearing1Yes
bearing2Yes
centerYes
optionsNo
radiusYes

Input Schema (JSON Schema)

{ "properties": { "bearing1": { "type": "number" }, "bearing2": { "type": "number" }, "center": { "type": "string" }, "options": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null }, "radius": { "type": "number" } }, "required": [ "center", "radius", "bearing1", "bearing2" ], "type": "object" }

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