Corporate GIS Team

Automated Data Capture (ADC) Tool

Jeffrey Van Etten, GIS Manager

Corporate GIS Team

ADC - Caveats

• The following is subject to change without warning

• We are currently testing in Alpha release

• Changes are being made daily

Corporate GIS Team

ADC

• What did you do this weekend?

•I managed to do the following:–Went out walking–Had a few drinks–Created over 75,000 BLPUs

Corporate GIS Team

Environment

• Northgate BS7666 (DTF 7.3) LLPG

• Cadcorp SIS – Corporate GIS

• Oracle 10G – Corporate Spatial Database

Constraints we operate:

• No Middleware

• Must use SDO_Geometry

• All spatial data stored in Oracle

Corporate GIS Team

Past Experience

• Lead a BLPU data capture exercise

• 5 GIS contractors

• 3+ months

• Cost over £25,000

• No metrics or confidence values produced

Corporate GIS Team

Requirements

A tool to do the following

• Help Borough of Poole capture BLPUs

• Store BLPUs in Oracle 10G

• Help capture and update BLPUs whenever a COU is applied from OS

• Identify TOIDs and their version for BLPUs when captured

Corporate GIS Team

ADC Screen Shot

Address seeds from LLPG (Oracle 9i)

OS Mastermap Topography (Oracle 10G)

Corporate GIS Team

Add Database Layer

Database Instance

Schema Name

Table or View Name

Column(s) to get location

Corporate GIS Team

Generate BLPUs

Table in Oracle to create/add BLPUs

Mastermap columns

Address seeds from LLPG

Corporate GIS Team

BLPUs

Corporate GIS Team

Methods

Different ways to create BLPUs

• By Islands

• By Areas

• All Addresses

Corporate GIS Team

Islands

12

3

4

5

67

8

Corporate GIS Team

Advantages

• Speed to create BLPUs

• Update BLPUs from Mastermap COUs

• Edit BLPUs

• Confidence metrics to assist in Quality Control procedures

• Identification of misplaced seed points

Corporate GIS Team

Misplaced Seed Points

Corporate GIS Team

Some Early Stats

• Creates between 3-5 BLPUs per second

• Overall confidence is relatively high

• Upon closer inspection, most information is correct

Corporate GIS Team

Questions

Jeffrey Van Etten

GIS Manager

Borough of Poole

01202 633290

j.vanetten@poole.gov.uk