LiDAR Project Data Preparation - MapData Services€¦ · LiDAR project data preparation Kwangho...
Transcript of LiDAR Project Data Preparation - MapData Services€¦ · LiDAR project data preparation Kwangho...
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LiDAR project data preparation
Kwangho Yang
Asset & Works Information Team
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• Build, maintain & operate transmissionand distribution assets: South WestInterconnected Network (SWIN)
• 1.1+ million customers• ~264,000 street lights• ~237,800 solar PV installations*• ~570 battery systems*
~102,000km circuit wire
254,920 km2
The
SWIN
~861,000poles & towers
17,047GWhelectricity transported
* As at 31/5/18
About Western Power
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Power Generation Retailer
Western Power
Our Customers
What we do
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LiDAR project background
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573 m
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Over 362,000 rural poles
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LiDAR
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Use LiDAR technology
Pole locations are not accurate
Flight routes are required
Create the route based on pole
locations
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Data preparation for LiDAR
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Inspection points
Inspection points with GPS coordination
Low quality and human error (ex. wrong pole ID)
Not every pole was inspected
Multiple inspection points for a pole
Recently inspected points is better but not always
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Step 1. Multi inspection points
ID: S11Year: 2018
ID: S11Year: 2012
ID: S11
20 metres
Pole
Inspection Point
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Step 2. New inspection point + pole(or single inspection point)
ID: S22Year: 2016
ID: S22
ID: S11Year: 2013
20 metres
Pole
Inspection Point
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Step 3. Old inspection point + pole
ID: S33Year: 2017
ID: S33
ID: S33Year: 2015
20 metres
Pole
Inspection Point
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20 m 50 m 100 m
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Re-build bay lines between poles
Look through the map at small scale (ex. 1:100,000)
Find zigzag lines and correct the position
Visual checking Point 1
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Left over poles ( > 100 m or never inspected poles) are marked with special symbol if they are located at the end of line
Visual checking Point 2
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Questions?
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Head office363 Wellington StreetPerth, WA 6000westernpower.com.au