An Enterprise Street Addressing System Using Open Source Paul E. McCullough City and County of San Francisco gmail - p.e.mccullough slides - code -

mundane insert, update, delete (retire) useful Enterprise Addressing System

satisfy 80% of street address use cases be the system of record reduce the silo count We built it to...

We thought it should be... geospatial web centric based on open source

Agenda architecture web client demonstration extract - transform - load messaging

Architecture/Deploy Javascript Ext JS OpenLayers model view controller Web Client Httpd Python Django GeoDjango Web Server model view template map_db app_db RDBMS PostgreSQL/PostGIS json ajax Virtualized Linux on Applogic Java Tomcat Geoserver Map Server maps map cache

Web Client Demonstration search change request address review

Extract - Transform - Load ETL app_db map_db Public Works parcels streets Assessor ownership Enterprise GIS transform

Extract - Transform - Load Feature Manipulation Engine Python scripts dev, qa, prod two-phase commit ssh map cache reseed

Messaging Web Services Address System Web Server look up change notification Client System Web Server

Review architecture web client extract - transform - load messaging

Questions gmail: p.e.mccullough slides: todo – url repo: todo - url

Credits City and County of San Francisco Department of Technology Department of Building Inspection Assessors Office Department of Public Works Farallon Geographics Open Source Projects Ext JS / OpenLayers Mozilla / Firefox / Firebug EveryBlock Python / Django / GeoDjango GeoServer PostgreSQL / PostGIS Linux

the following slides are supplemental

Data Model

Feature: Simple, Adequate Data Model parcel to address (many to many) apartments timeshares multi-story condos tenants in common mailing address status (official, provisional...)

Feature: Address Lineage Main Street change request

Feature: Address Point Table street based geo-coding falls short Main Street Add Constraint: point must be within a polygon