transformation_tesselate
Convert complex polygons into triangles for geospatial analysis. This tool processes GeoJSON polygons using Turf.js to generate triangle meshes suitable for computational geometry applications.
Instructions
将多边形分割为三角形。
该函数使用 Turf.js 库的 tesselate 方法，将给定的多边形分割为三角形集合。
Args: polygon: GeoJSON Polygon 特征 - 类型: str (JSON 字符串格式的 GeoJSON) - 格式: 必须符合 GeoJSON Polygon 规范 - 坐标系: WGS84 (经度在前，纬度在后) - 示例: '{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[11, 0], [22, 4], [31, 0], [31, 11], [21, 15], [11, 11], [11, 0]]]}}'
Returns: str: JSON 字符串格式的三角形集合 GeoJSON FeatureCollection - 类型: GeoJSON FeatureCollection with Polygon features - 格式: {"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [...]}}]} - 示例: '{"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[11, 0], [22, 4], [31, 0], [11, 0]]]}}, ...]}'
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 >>> polygon = '{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[11, 0], [22, 4], [31, 0], [31, 11], [21, 15], [11, 11], [11, 0]]]}}' >>> result = asyncio.run(tesselate(polygon)) >>> print(result) '{"type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[11, 0], [22, 4], [31, 0], [11, 0]]]}}, ...]}'
Notes: - 输入参数 polygon 必须是有效的 JSON 字符串 - 坐标顺序为 [经度, 纬度] (WGS84 坐标系) - 返回的三角形集合覆盖原始多边形的整个区域 - 依赖于 Turf.js 库和 Node.js 环境
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| polygon | Yes |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |