adjust.it - improving spatial accuracy through conflation
TRANSCRIPT
Adjustment without Conflicts
Business Drivers for Accurate Maps
• Gas Leak Survey
• 811 Requests
• Network Updates
• Regulatory Compliance
• Mobile Mapping
• Utilization of external and future applications
Conflation Project
• Objectives
– Improve spatial accuracy of GIS data
– Allow user to continue to work while conflation is underway…ie no freezing of the database or work in progress
– Maintain network connectivity
– Replace & update land base used to map assets
– Opportunity to review and accept conflation areas prior to rollout in production
Adjustment Project Methodology
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Project Initiation
adjust.IT Installation and configuration
QA/QC of adjust.IT
Installation and Configuration
Model Shift between landbases
Define Shift Models covering
areas to be adjusted
Generate shift vectors from old land base to the new land base
QA/QC of Shift Vectors
Adjustment of assets to new
landbase
Define adjustment Job Areas
covering service territory
Capture shape of existing asset information and
adjust to new land base
QA/QC of Adjustment
Result
Delivery to Production
GIS
Group adjustment Jobs into a Delivery
Propagate Jobs to top alternative tree and sub alternatives.
QA/QC of rollout
11
Create Shift Model
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12
New Land Base
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Old LandNew Land
13
Match Common Points
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Old LandNew Land
96ft
14
Generate Shift Model
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Old LandNew Land
96ft
15
Generate Shift Model
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Old LandNew Land
96ft
Adjustment Project Methodology
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Project Initiation
adjust.IT Installation and configuration
QA/QC of adjust.IT
Installation and Configuration
Model Shift between landbases
Define Shift Models covering
areas to be adjusted
Generate shift vectors from old land base to the new land base
QA/QC of Shift Vectors
Adjustment of assets to new
landbase
Define adjustment Job Areas
covering service territory
Capture shape of existing asset information and
adjust to new land base
QA/QC of Adjustment
Result
Delivery to Production
GIS
Group adjustment Jobs into a Delivery
Propagate Jobs to top alternative tree and sub alternatives.
QA/QC of rollout
Adjustment Jobs and Deliveries
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Adjustment Jobs and Deliveries
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Adjustment Results
• Assets have been repositioned relative to higher accuracy land base data
• The shift in some areas was up to 750 feet
• The following slides show
– Position of network assets before adjustment
– Position of network assets after adjustment
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162 ft
Before Adjustment
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162 ft
After Adjustment
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691 ft
Before Adjustment
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After Adjustment
691 ft
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517 ft
Before Adjustment
Main
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After Adjustment
517 ft
Main
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151 ft
Before Adjustment
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151 ft
After Adjustment
Adjusted Main
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167 ft
Before Adjustment
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167 ft
After Adjustment
Adjusted Main
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Before Adjustment
367 ft
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367 ft
After Adjustment
Adjusted Main
Adjustment Project Methodology
www.we-do-it.com
Project Initiation
adjust.IT Installation and configuration
QA/QC of adjust.IT
Installation and Configuration
Model Shift between landbases
Define Shift Models covering
areas to be adjusted
Generate shift vectors from old land base to the new land base
QA/QC of Shift Vectors
Adjustment of assets to new
landbase
Define adjustment Job Areas
covering service territory
Capture shape of existing asset information and
adjust to new land base
QA/QC of Adjustment
Result
Delivery to Production
GIS
Group adjustment Jobs into a Delivery
Propagate Jobs to top alternative tree and sub alternatives.
QA/QC of rollout
Propagate adjustment Jobs to Alternatives
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� Assets in Top and
sub alternatives
are identified
� New position
computed for all assets
� Changes applied
to all alternatives
� No database
conflicts
� Users can work up
until Rollout
Period (usually
over a weekend)
Project Initiation
Model Shift between landbases
Adjustment of assets to new
landbase
Delivery to Production
GIS
Assets in Top are
Shifted
Assets in alternative 01
Are shifted including
Additions by designer
Assets in alternative 02
Are shifted including
Additions by designer
Delivery to Prod – Read only Period
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2012
Activity/Month Feb Mar Apr May Jun Jul
Project Initiation
User Training
Shift Model 1 SM1
Shift Model 2 SM2
Delivery 1 D1
Delivery 2 D2
Fri Sat Sun Mon
Delivery 1 Start COB
QA/QC Process
© we-do-IT www.we-do-IT.net
1. Adjustment Report
2. Connectivity Report
3. Comparison to Control Data
4. Visual Inspection – All
Assets
5. Customer Review
6. Rollout Report & Rollout Verification
Key Benefits of Our Approach
• Enterprise Solution with Proven Methodology
• Network connectivity preserved
• Minimal freeze period
• Users can continue working while realignment is underway
• Strong focus on QA/QC
• Unmatched data accuracy
Contact Information
Justin Eldridge
Principal Consultantmob: +1 [email protected]
we-do-IT Inc
12303 Airport Way #200Broomfield, CO 80021http://www.we-do-it.com