Overview
全城尺度显示轻量密度概览，不绘制近 50 万个建筑面。
OPEN URBAN DATA / 开放城市数据
BeijingData北京数据
Local data, maps and reproducible evidence for reading Beijing's built environment.
面向北京建成环境的本地数据、地图与可复现证据。
BEIJING / 北京Sixth-ring building layer / 六环内建筑图层
Local view prototype · detail tiles are available locally
本地浏览原型 · 细节瓦片已在本地提供
本地浏览原型 · 细节瓦片已在本地提供
495,829Building polygons / 建筑面
1Verified property field / 已核验属性字段
167.4 MiBRaw GeoJSON / 原始文件
LocalPrototype status / 本地原型状态
FIRST DATASET / 首个数据集
Beijing building footprints within the Sixth Ring Road
北京六环内建筑物图层
BUILDING LAYER · LOCAL ARCHIVE
From a complete source file to a view-specific map
每栋建筑保留原始 ID 与 height 属性；地图将按视野和缩放级加载，不让浏览器一次解析整份原始 GeoJSON。
Open dataset record / 打开数据记录 →READ BEFORE USE / 使用前说明
Height is preserved, not over-interpreted
The source values are currently documented as raw integer values. Their unit and production method still require confirmation; they are not presented as floors or official measured height.
当前仅如实记录原始整数值，单位和生成方法待核验；不将其直接表述为楼层数或官方实测高度。
Methods and limits / 方法与边界 →HOW IT WILL WORK / 使用方式
See the whole city, then inspect one building
先看全城，再查看单栋建筑
Neighbourhood
放大后只读取当前视野的分级瓦片与概化轮廓。
Single building
街区尺度支持点击、原始 ID 和已核验属性查看。