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es3154

Turf-MCP

by es3154

misc_line_chunk

Segment lines into specified-length segments for spatial analysis and processing. This tool divides LineString or MultiLineString geometries into uniform segments using GeoJSON input.

Instructions

将线分割为指定长度的线段。

此功能将线或多线几何图形分割为多个指定长度的线段,便于分段处理和分析。

Args: geojson: GeoJSON 对象 - 类型: str (JSON 字符串格式的 GeoJSON) - 格式: 必须符合 GeoJSON FeatureCollection, Geometry 或 Feature 规范,包含 LineString 或 MultiLineString - 坐标系: WGS84 (经度在前,纬度在后) - 示例: '{"type": "LineString", "coordinates": [[-95, 40], [-93, 45], [-85, 50]]}'

segment_length: 线段长度
    - 类型: float
    - 描述: 每个线段的长度值
    - 示例: 15.0

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'
        - reverse: 是否反转坐标顺序 (默认: false)
    - 示例: '{"units": "miles", "reverse": false}'

Returns: str: JSON 字符串格式的线特征集合 - 类型: GeoJSON FeatureCollection with LineString features - 格式: {"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "LineString", "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 >>> line = '{"type": "LineString", "coordinates": [[-95, 40], [-93, 45], [-85, 50]]}' >>> options = '{"units": "miles"}' >>> result = asyncio.run(line_chunk(line, 15.0, options)) >>> print(result) '{"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "LineString", "coordinates": [...]}}, ...]}'

Notes: - 输入参数 geojson 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) - 如果线长度小于分段长度,则返回原始线 - 依赖于 Turf.js 库和 Node.js 环境

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
geojsonYes
segment_lengthYes
optionsNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
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