page 1 integrated base mapping management at the city of calgary presented by : leanne james als...

Integrated Base Mapping Management

at the City of Calgary

Presented by : Leanne James ALS P.Eng.Supervisor of Cadastral Mapping, Land Information and Mapping

Geomatics Division Is Responsible for Base Mapping

at the City of Calgary

How Does Geomatics Fit In?

Utilities & Environm entalProtection

Land Inform ation &M apping

Geomatics M unicipalRights-of-W ay

EngineeringSurvey

InfrastructureInform ation

Corporate DataAccess & M arketing

City M anager

Our Base Mapping Products

• Legal Survey Fabric (LSF)

• Ownership Parcel Fabric (OPF)

• Single Line Road Network (Roadnet)

• Digital Aerial Survey (DAS)

Legal Survey Fabric

Plan, Block and Lot Numbers

Block and Lot Lines

Ownership Parcel Fabric

Ownership PolygonsAddresses

Road Network

Junctions

Segments

Address Ranges

Digital Aerial Survey

Building Shapes

Contours

Vegetation

Curb and Gutter

Base Mapping is used by the Entire Corporation as a

foundation for other Mapping Products

Mapping Is Updated at Each Stage of the Land

Development Cycle

• Tentative plan

• Approved tentative plan

• Registered plan

Tentative Plan

Approved Tentative Plan

Registered Plan

Circulation Process

Conditions Satisfied and Final Approval

Associated Oracle Spatial Databases

• GSDA - Geomatics Spatial Database Application

• PUMA - Parcel Update Maintenance Application

• RoadNet - Road Network Database

GSDA PUMA RoadNet

LSFLSF OPF RoadNet

The Mapping Process

Legal Survey Fabric

Plan received

Line work and Text Input

Integrated

Translated

LSF Mapping 3 Stages

Surveyor’s Plan Received

After Translation

Integration

• Existing points are regenerated from the GSDA database

• Common points are matched and a least squares adjustment is performed

• Adjusted points are written to the database.

Plan Input

• Geomatics cartographer checks out the affected section

• Affected line work identified and updated

• New line work is added

Legal Survey Fabric

Legal Survey Fabric

Registered

Approved Tentative

The Mapping Process


Parcel Shapes created from LSF

Line work and Text Input

Addressing Objects Created

Addressing Received at ATP Stage

OPF Mapping


Registered

Approved Tentative

The Mapping Process

RoadNet

RoadNet Tentative Stage

• Place Junctions and Segments

• Enter Built Status, Street names and Other Attribute Information

RoadNet Input

Roadnet Approved Tentative and

Registered Stage

• Update built status

• Update barrier information

• Add address range information

RoadNet

Digital Aerial Survey

•Annual flight campaign covering 1/3 of the city and all new growth areas

•Information is extracted from Aerial Photos

• 90 different feature types

• Most sections average 40,000 features

• Accuracy 15cm

• Scale 1:5000

DAS

A

DAS Datasets

Distribution of Mapping

• Design Files are regenerated nightly from the GSDA

• Converted to SDE layers

• ESRI , Microstation and AutoCAD formats served up to corporation and external companies

Some Interesting Facts

• 304,170 active parcels

• 61,627 Ha or 293 sections.

• 94,567 active roadnet segments

• totaling 9,343 kms of road.

Tri-Services Dispatch Mapping Group

Tri-Services Mapping

• Started the service in 1999

• Used for dispatch of EMS, Fire and Police inside Calgary and surrounding Municipalities.

• 5 different mapping products.

– 3 for dispatch

– 2 for in-vehicle mapping

Tri-Services Mapping

• Uses the Intergraph ICAD software

• Automatically routes emergency vehicles

Constructed with•DAS •OPF •Roadnet

Tri-ServicesEmergency Dispatch

Tri-services Dispatch Mapping Accuracy

Improvement Over Time

84

86

88

90

92

94

96

98

100

1999 2000 2001 2002 2003 2004 2005

Verified

Rural Roadnet

CALGARYMD of ROCKYVIEWMD of FOOTHILLSMD of BIGHORNRural Roadnet Mapping

Rural Roadnet

Rural Roadnet

• 49,182 road segments

• 12,422 Km of Roads

• Distributed to the Calgary Regional Partners

• Used for the Triservices Mapping at the City

Accident Reconstruction

Base Mapping and Projects Staff

• 2 Integrators

• 5 Cartographers

• 4 Senior Cartographers

• 2 Graph Systems Computer Analysts

• 2 Coordinators

• 1 Supervisor

Bentley’s Award of Excellence for GeoSpatial Mapping

Thank You

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