transformation_bezierSpline

Convert straight line paths into smooth Bézier curves for natural-looking geographic routes. Processes GeoJSON LineString data with customizable resolution and sharpness parameters.

Instructions

将直线转换为平滑的贝塞尔曲线。

此功能将输入的直线路径转换为平滑的曲线路径，使线条更加流畅自然。

Args: line: GeoJSON LineString 特征 - 类型: str (JSON 字符串格式的 GeoJSON) - 格式: 必须符合 GeoJSON LineString 规范 - 坐标系: WGS84 (经度在前，纬度在后) - 示例: '{"type": "Feature", "geometry": {"type": "LineString", "coordinates": [[-76.091308, 18.427501], [-76.695556, 18.729501], [-76.552734, 19.40443]]}}'

options: 可选参数配置 - 类型: str (JSON 字符串) 或 None - 可选字段: - resolution: 分辨率控制点数 (默认: 10000) - sharpness: 控制曲线锐度的参数 (默认: 0.85) - 示例: '{"resolution": 20000, "sharpness": 0.5}'

Returns: str: JSON 字符串格式的贝塞尔样条曲线 GeoJSON LineString 特征 - 类型: GeoJSON Feature with LineString geometry - 格式: {"type": "Feature", "geometry": {"type": "LineString", "coordinates": [...]}} - 示例: '{"type": "Feature", "geometry": {"type": "LineString", "coordinates": [[-76.091308, 18.427501], [-76.5, 19.0], [-76.695556, 18.729501]]}}'

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": "Feature", "geometry": {"type": "LineString", "coordinates": [[-76.091308, 18.427501], [-76.695556, 18.729501], [-76.552734, 19.40443]]}}' >>> options = '{"resolution": 20000, "sharpness": 0.5}' >>> result = asyncio.run(bezierSpline(line, options)) >>> print(result) '{"type": "Feature", "geometry": {"type": "LineString", "coordinates": [[-76.091308, 18.427501], [-76.5, 19.0], [-76.695556, 18.729501]]}}'

Notes: - 输入参数 line 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) - 生成的曲线会平滑原始 LineString 的路径 - 依赖于 Turf.js 库和 Node.js 环境

Input Schema

Name	Required	Description	Default
`line`	Yes
`options`	No

Input Schema (JSON Schema)

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

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