Building Footprint Free Sample - SafeGraph Geometry

This sample data set contains polygons for restaurants in San Francisco, California. For the entire data set, please visit our full listing titled Building Footprint Data - SafeGraph Geometry on the Marketplace.

SafeGraph’s Geometry data provides POI (point of interest) footprints and spatial hierarchy metadata for millions of places. They map the size and area of physical locations for the POIs in their datasets using polygons. This includes data for understanding location boundaries and relationships. Available for POIs in the US, Canada, and Great Britain. Covers locations for major retail chains, local businesses, convenience stores, hotels, airports, schools, hospitals & more.

Samples/Tables Included:
-Location name
-Address
-Category
-Brand association for points of interest (POIs) where people spend time or money

Fields Included:
-Latitude/Longitude
-Polygon or shape of place, formatted as Well-Known Text (WKT)
-Polygon class
-Building height

Additional Information:
All SafeGraph POI-based datasets utilize Placekey as the primary key and are formatted as delimited CSVs. SafeGraph updates the Geometry dataset every month with the past month's openings and closings and maintains a persistent Placekey across releases. Our detailed Geometry Schema (1) is available online. Additionally please refer to Places Data Manual (2) for more detailed field definitions and methodologies. Our Places Summary Statistics (3) is updated with every monthly release to reflect data coverage.

Data Dictionary
Our documentation site includes detailed information for all of our products, but this product listing specifically only includes the Geometry data set and does not include Spend.
(1) Geometry Schema: https://docs.safegraph.com/docs/geometry-data
(2) Places Data Manual: https://docs.safegraph.com/docs/places-manual
(3) Places Summary Statistics: https://docs.safegraph.com/docs/places-summary-statistics

搜集汇总

背景与挑战

背景概述

该免费样本数据集提供了美国旧金山餐厅的多边形数据，用于展示兴趣点（POI）的几何形状和空间层次信息，包括位置属性、多边形和建筑高度等字段。数据集每月更新，覆盖美国、加拿大和英国，并采用Placekey作为主键。