the loading and maintenance of cadastral data in the spatial data infrastructure (sdi)
DESCRIPTION
Presented by Bob Bruce & Tony Viveiros, GeoManitoba See more FME World Tour 2014 presentations at www.safe.com/recap2014TRANSCRIPT
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The Loading and Maintenance of Cadastral Data in Manitoba’s Spatial Data Infrastructure (SDI)
Bob Bruce & Tony ViveirosFME World Tour 2014
April 11
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Presentation Outline• Background to the SDI Project
• Description of the Cadastral Datasets
• Implementation of Table and Feature Class to house the data
• Detailed description of Workbench files and their operation
• Next steps2
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What is a SDI?The technologies, policies and people necessary to enable the use of spatially referenced data through all levels of government, stakeholders and the public.
SDI Vision: Manitoba’s source for authoritative geospatial data.
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Manitoba SDI Objectives1.To build (design and implement) a SDI for the
Province of Manitoba that:
– stores, manages and disseminates Manitoba’s geospatial data across government and to the public
– is scalable to meet anticipated future needs
2.To provide a SDI Governance model that clarifies the tasks and policies required for SDI success.
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SDI Solution: 3 Environments
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SDI Solution: Data Flows
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The Cadastral Datasets
• Accurately computed cadastral datasets in Winnipeg
• Accurately computed cadastral datasets in Manitoba
• Manitoba Reference Grid
• Northern Quarter Sections
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Cadastral Datasets in Winnipeg• Maps of areas of Winnipeg on the MLI• Area 6 of the Winnipeg Cadastral
Mapping
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Cadastral Datasets in Manitoba
• In the MLI we currently start by accessing data from a map of the province to go to subareas
• By clicking on a subarea we go to a map that allows us to select and download data from a dataset
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Manitoba Reference Grid• Parcel Fabric of Quarter Sections in the
surveyed area of Manitoba
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Northern Quarter Section GridA computed
theoretical quarter section grid of the unsurveyed north
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Maintaining a Seamless Cadastral Polygon Layer
• Each of the cadastral polygon fabrics have been fitted together and are ready to be combined into one polygon fabric
• These fabrics are combined into a single GeoDatabase polygon feature class
• The individual datasets are tracked with a database table 14
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Cadastral Jobs Table
A record of which cadastral datasets are currently in the cadastral polygon feature class
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Workbench Files• One workbench file to ‘decide’ whether
an input dataset is a new one or a replacement one and run the processes to populate the feature class and job table
• Once workbench file (called by the first one) to actually insert a dataset into the polygon feature class
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First Workbench File
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First Workbench File – Part 1
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First Workbench File – Part 2
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First Workbench File – Part 3
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Second Workbench File
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Current Status
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• Develop processes to import the Northern ‘theoretical’ quarter section grids
• Develop a workbench file that uses the Directory and File Pathnames reader to scan folders for datasets and call the workbench files
Further Improvements
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Questions ?
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