Enterprise Linear Referencing - Esri
Transcript of Enterprise Linear Referencing - Esri
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Enterprise Linear ReferencingClive Reece, Esri Professional Services
Transportation Practice
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When someone says “Network”, what do they mean?
Different uses and goals for each
Routing Network Linear Referencing Network Schematic Network
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When someone says “Network”, what do they mean?
• Routing from A to B• Multi-Vehicle Routing• Find Closest Facilities• Perform Location Allocation• Generate Service Areas• Create Origin-Destination
Matrices
Routing Network Linear Referencing Network Schematic Network
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When someone says “Network”, what do they mean?
Routing Network Linear Referencing Network Schematic Network
• Generate schematic views• Visualize both Map and Schematic
• Focus on connections between branches
• Analyze network connectivity and traces
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When someone says “Network”, what do they mean?
Routing Network Linear Referencing Network Schematic Network
• Methodology for locating assets and business data based on a position along a route (Route and Measure) rather than X-Y coordinates
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When someone says “Network”, what do they mean?
Routing Network Linear Referencing Network Schematic Network
Different uses and goals for each
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Linear Referencing Basics
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Route Networks contain polylines used for measurement called “routes”
Events are point locations or linear extents that are referenced against a route
The collection of data and tools for maintaining Routes and Events is called a Linear Referencing System (LRS)
0 10 mi
Route 1001
Linear Referencing Basics
0 10 mi
2 8
Route 1001
4
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Linear Referencing “Routes” in different Industries
Industry “Route”
Department of TransportationLocal Government
HighwayRoad or Street
Utilities Pipeline
Rail Line Segment or Track
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Examples of Events in Rail
• Assets
- Switches
- Signs
• Characteristics
- Number of tracks
- Grade
• Classifications
- Subdivision
- Ownership
- STRACNET
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LRS Networks contain polylines used for measurement called “routes”
LRS Events are point locations or linear extents that are referenced against a route
0 10 mi
Route 1001
Linear Referencing Basics – Events are Tabular data
Many tabular LRS systems
0 10 mi
2 8
Route 1001
4
Event ID Route From Measure
To Measure
Business Data
1 1001 2 8 55 mph
Event ID Route Measure Business Data
1 1001 4 Crash
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Typical LRS Business Challenges
Business data out
of sync (Multiple
copies of data)
Combining data is a
headache so people
keep ‘private’ copies
of other teams’ data
Track and alignment
changes create a
nightmare for
updating measure
changes on events
Different business
units use different
location referencing
methods
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Typical LRS Business Problems
Business data out
of sync (Multiple
copies of data)
Combining data is a
headache so people
keep ‘private’ copies
of other teams’ data
Track and alignment
changes create a
nightmare for
updating measure
changes on events
Different business
units use different
location referencing
methods
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Typical LRS Business Problems
Business data out
of sync (Multiple
copies of data)
Combining data is a
headache so people
keep ‘private’ copies
of other teams’ data
Track and alignment
changes create a
nightmare for
updating measure
changes on events
Different business
units use different
location referencing
methods
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Wouldn’t it be nice to have an Enterprise solution …
Authoritative
and open data
access across
the organization
Keep rail event
attributes
aligned with rail
line changes
Each business
unit can
manage their
own data
Provide tools to
combine and
report on data
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Create an authoritative system of record for location
Esri Linear Referencing
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Esri Core Linear Referencing
• Linear Referencing Toolbox
• Provides tools for
- Creating Routes
- Calibrating Routes
- Create Event features from tabular data (Dynamic Segmentation)
- Combine (segment) two event tables
• Not an Enterprise Solution
- Event data is not dynamically linked to changes in routes
- Does not scale well to large numbers of editors
- Focused on desktop, single-user experience
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Esri Roads and HighwaysIntegrate Data across
business units and business
systems
Edit across the webSimplify LRS Updates
Analyze and Report Data When
You Need It
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Advanced Linear Referencing
❖Support for Multiple LRMs
❖Support for translating event data to different LRMs
❖Rule Based Location Management : Stay Put, Move, Retire & Snap
❖Communicating updates to LRS using Redlines
❖Time Aware LRS
❖Web-based Event Data editing using Roadway Characteristics Editing
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Route Editing Activities
Create Route
Extend Route
Realign Route
Reassign Route
Retire Route
Calibration
0 100
0 100
120
0 100
retired
0 100
0 10052
20 80
30 70
20 80
I-110 I-10I-10
0 100
retired
Activities
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Route & Measure
0 10
2 8
Referent & Offset
2 miles - 4 miles
Stationing Co-ordinates and Offset
0 1000
300 ft.
(34.054, 117.182)
Event Location Model
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Event Measure BehaviorsAutomatically keep event measure behaviors in sync with route edits
Stay Putbehavior
Movebehavior
Retirebehavior
Before Realignment
5 255
25
5
8.35
25
When the LRS routes are edited, measure behavior rules can be applied to events.
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Time Aware LRSSee how routes and events have changed over time
Before After
Realignment
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Communicate using Redlines
❖Mark-up feature to illustrate desired network changes
❖Has measure values and route reference
❖Geometry need not be accurate
❖Provides a template for making edits
❖Indicates where work needs to be done
❖Optional
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Editing Roadway Characteristics
❖Web-based event editing
❖Edit multiple event layers simultaneously
❖On entry quality control
❖Valid value drop down lists
❖Automatically retire overlaps
❖Merge coincident events
❖Prevent measures not on route
❖Batch quality control
❖ Identify gaps
❖ Identify overlaps
❖ Identify measures not on routes
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Roadway Reporter
Reporting available across the enterprise from a web application
Road Mileage Report
Road Segment Report
Road Log Report
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Demo: Rail LRS with Schematic view
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Demo Re-cap
Dynamic updates of Events
on a single, authoritative LRS
Network exposed through a
GIS Enterprise
Roads and Highways REST API in action
• Geometry to Measure
• Edit/Add Events
Roads and Highways Event
Editor (COTS)
• Add/manage point and
linear events
• Flexible options for linear
referencing method input
Didn’t get to Route Reporting
… happy to arrange a demo
separately
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Wrap Up: Roads and Highways is part of the ArcGIS Platform
• Leverage all the great patterns of the platform
Integrate with Portal and Enterprise Identity Management
Integrate Collector with your LRS
Import and visualize Reporter data in Ops Dashboard
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