几何缓冲区生成
对点/线/面 GeoJSON 几何生成球面缓冲区（buffer），支持输入距离（米）与顶点精度，输出 GeoJSON 并可视化
缓冲完成，距离 2000 m，精度 16 段/象限
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…地图预览原始几何缓冲区域
Leaflet © 高德地图
缓冲半径按 WGS84 球面距离算出，整圈顶点一起搬到底图坐标系，环的形状与宽窄关系不变。底图用高德栅格瓦片（境内直连、无需 key），它是 GCJ-02 加偏坐标系；绘制时自动做 WGS84→GCJ-02 纠偏，因此图上的轨迹/图形会贴合高德路网，而统计与导出仍是文件里的原始 WGS84。高德瓦片仅覆盖中国范围，境外数据可切 OSM/ESRI 底图查看（境内可能拉不到）。
关于 几何缓冲区生成 工具
几何缓冲区生成 是云海百宝箱提供的一个免费在线工具。对点/线/面 GeoJSON 几何生成球面缓冲区（buffer），支持输入距离（米）与顶点精度，输出 GeoJSON 并可视化 该工具完全在浏览器中运行，无需下载安装任何软件，跨平台支持 Windows、Mac、Linux 及移动设备，数据在本地处理不上传服务器。
与 几何缓冲区生成 配合常用的同类工具： GIS 坐标工具箱、坐标转换、在线地图加载、地图测距工具、坐标格式互转、坐标批量转换
几何缓冲区生成 使用方法
- 在输入框中输入或粘贴需要处理的内容
- 选择相应的处理选项或参数
- 点击"处理"或"转换"按钮获取结果
- 点击"复制"按钮可一键复制结果到剪贴板