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Vicmap Property Update. Robert Morrison Vicmap Property Custodial Officer. Presentation Overview. Land Administration Themes Data Improvement Projects Future Diredtions. Parcel. Property. Address. Admin Bdys. Approved. Approved. Proposed. Proposed. No Status.
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Vicmap Property Update Robert Morrison Vicmap Property Custodial Officer
Presentation Overview • Land Administration Themes • Data Improvement Projects • Future Diredtions
Parcel Property Address Admin Bdys Approved Approved Proposed Proposed No Status Land Administration Themes (LAT) 3.3 Mil 3.1 Mil
Maintenance Docs VSDL Customer Data Delivery Parcel Custodian Custodian Data Delivery Maintained Vicmap LAT Property Custodian Maintenance Docs External Maintainer Customers LAT Maintenance Process SII Responsibility
Aspatial Record Compliance • Property Completion Initiative • Parcel Completion Program • Road Polygons Data Improvement Projects
Property Parcel • LGA Property Records Comparison • Property & Rates • Land Registry Records Comparison • VOTS Freehold • VOTS Crown 98% Parcel & Property Match Rates Vicmap Property • Improve Aspatial Record Compliance to Authoritative Sources Parcel and Property Quality Audits
Target Match Rate • Real Parcel match rate 75.82% • 980K parcels to be added • The 3 R’s to resolve • Roads • Railways • Reserves
2. Road Polygon Creation • Traditionally road casements voids • Drivers for Road Polygon Creation • Road Management Act 2004 • Facilities Management of “Road Furniture” • Polygonisation commenced in late 2009 • Programmatic Scripts & Manual Editing • Due for release in the coming months
Improved Spatial Accuracy RE Plans Complete • Custodian Empowerment Reduce Duplication of Effort Quicker Turn Around Direct Editing Future Directions
Direction 1: Spatial Accuracy Improvement Current Accuracies • 3.75% points .1 metre • 47.65% points .5 metre • 20.21% points 2.5 metres • 5.20% points 10 metres • 22.71% points 25 metres
Incremental Spatial Upgrading • Utilising Digital Subdivisions to Improve Accuracy • Extracting Coordinates for Fieldnotes • Re-established 4 growth corridor areas • Adjust a Region using Survey control & Photography • Adopted higher accuracy data from other authorities
Hand held GPS devices • Higher resolution aerialphotography • Changing Work Practices Developments Highlighting Spatial Issues
Spatial Upgrade Business Case • Identifies the impacts of spatial changes • Details the benefits of improving the spatial accuracy • Assesses change options available • Outlining funding options
Business Case Preferred Option • 10 year process to spatially upgrade state • All Urban & Peri-Urban Areas 0.05 m • Existing observations and field control infill • Rural Areas – 0.1 m to 10 m • Mathematical Adjustment to high resolution Aerial Photography • Control either derived from aerial photography and/or field control
Direction 2: Custodian Process Control / Real Time Access • Current practices are restricting • Source Data Custodians cannot make any changes to the data • Turn around time frames can be up to 5 weeks from creation of work order • Introduction of Notification and Editing Service • Improved process transparency • Given custodians power of veto • Didn’t improve turn-around or provide edit ability
Vicmap Replication NES ‘CRs’ VSDL Customer Data Delivery NES-VSDL Verification of ‘CRs’ Vicmap ‘WOs’ Notifier Maintenance Docs Customers Maintained Vicmap Custodian Maintainer Current Architecture
Desired Maintenance Environment • Centrally Stored Master Copy • Web based tool to facilitate maintenance material incorporation into the master copy • Incorporate data from Custodian Editor packages • Provide GIS package for simple edits • Business custodians able to edit their data in VSDL directly; • Retaining an editing service • Hourly turn around of maintenance edits within production copy
VSDL Controlled Customer Data Access Web Services CRs Notifier Verification of ‘CRs’ Processing of WO’s Spatial Audits Custodian Maintenance Material Customers Graphics Custodian