Integrated Base Mapping Management at the City of Calgary

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Integrated Base Mapping Managementat the City of
Calgary

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

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Geomatics Division Is Responsible for Base
Mapping at the City of Calgary
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How Does Geomatics Fit In?
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Our Base Mapping Products

• Legal Survey Fabric (LSF)
• Ownership Parcel Fabric (OPF)
• Single Line Road Network (Roadnet)
• Digital Aerial Survey (DAS)

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Legal Survey Fabric
Block and Lot Lines
Plan, Block and Lot Numbers
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Ownership Parcel Fabric
Ownership Polygons
Addresses
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Road Network
Segments
Junctions
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Address Ranges
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Digital Aerial Survey
Building Shapes
Curb and Gutter
Vegetation
Contours
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Base Mapping is used by the Entire Corporation as
a foundation for other Mapping Products
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JUMP Partners

• Legal Survey Fabric (LSF)
• Ownership Parcel Fabric (OPF)
• Single Line Road Network (Roadnet)

DAS Partners

• Digital Aerial Survey (DAS)

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Mapping Is Updated at Each Stage of the Land
Development Cycle

• Tentative plan
• Approved tentative plan
• Registered plan

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Tentative Plan
Circulation Process
Approved Tentative Plan
Conditions Satisfied and Final Approval
Registered Plan
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Associated Oracle Spatial Databases

• GSDA - Geomatics Spatial Database Application
• PUMA - Parcel Update Maintenance Application
• RoadNet - Road Network Database

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LSF
OPF
RoadNet
LSF
GSDA
PUMA
RoadNet
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The Mapping Process Legal Survey Fabric
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LSF Mapping 3 Stages
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Surveyors Plan Received
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After Translation
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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.

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Plan Input

• Geomatics cartographer checks out the affected
  section
• Affected line work identified and updated
• New line work is added

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Legal Survey Fabric
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Legal Survey Fabric
Registered
Approved Tentative
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The Mapping Process Ownership Parcel Fabric
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OPF Mapping
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Ownership Parcel Fabric
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Ownership Parcel Fabric
Approved Tentative
Registered
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The Mapping ProcessRoadNet
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RoadNet Tentative Stage

• Place Junctions and Segments
• Enter Built Status, Street names and Other
  Attribute Information

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RoadNet Input
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Roadnet Approved Tentative and Registered Stage

• Update built status
• Update barrier information
• Add address range information

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RoadNet
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RoadNet
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RoadNet
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Digital Aerial Survey

• Annual flight campaign covering 1/3 of the city
  and all new growth areas
• Information is extracted from Aerial Photos

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DAS

• 90 different feature types
• Most sections average 40,000 features
• Accuracy 15cm
• Scale 15000

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DAS Datasets
A
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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

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Some Interesting Facts

• 304,170 active parcels
• 61,627 Ha or 293 sections.
• 94,567 active roadnet segments
• totaling 9,343 kms of road.

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Tri-Services Dispatch Mapping Group
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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

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Tri-Services Mapping

• Uses the Intergraph ICAD software
• Automatically routes emergency vehicles

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• Constructed with
• DAS
• OPF
• Roadnet

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Tri-ServicesEmergency Dispatch
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Tri-services Dispatch Mapping Accuracy
Improvement Over Time
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• Rural Roadnet

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Rural Roadnet
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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

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Accident Reconstruction
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Base Mapping and Projects Staff

• 2 Integrators
• 5 Cartographers
• 4 Senior Cartographers
• 2 Graph Systems Computer Analysts
• 2 Coordinators
• 1 Supervisor

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Bentleys Award of Excellence for GeoSpatial
Mapping
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Thank You