evaluating the mobile gis landscape
TRANSCRIPT
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Evaluating the Mobile GIS Evaluating the Mobile GIS LandscapeLandscape
, Trimble Navigation Limited
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AgendaAgenda
• Welcome!• Mobile GIS – Connected, Disconnected or
Occasionally Connected?• Workflow components
• Data Capture or Data Maintenance?• Accuracy considerations• Typical solution cost matrix• Summary and feedback
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MGISS (Mobile GIS Services) deliver a full MGISS (Mobile GIS Services) deliver a full range of solutions and services that help range of solutions and services that help
businesses capture, maintain, analyse, and businesses capture, maintain, analyse, and visualise geospatial data.visualise geospatial data.
We specialise in enabling spatial data in the We specialise in enabling spatial data in the field and providing seamless, cost-effective field and providing seamless, cost-effective
workflows that deliver ROI in a single workflows that deliver ROI in a single project.project.
About usAbout us
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What we do for youWhat we do for youWe help organisations choose the right mobile GIS solution by:
•understanding your requirements•providing independent advice•considering the most cost-effective approach for you•reducing your risk when building a business case and•supporting throughout the project lifecycle
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Which Mobile GIS workflow is best for you?
Are you….
•Connected…•Disconnected…•or Occassionally connected?
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““Connected” WorkflowConnected” Workflow
• Typically consist of web applications running on a mobile device or tablet
• Rely on an active connection to the internet
• No connection = no application/data• Lost time in the field• Relatively rare nowadays
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““Disconnected” WorkflowDisconnected” Workflow
• More traditional Mobile GIS• Do not use/need an internet connection• Data is loaded at start of day/project• All functionality supported in application
• (display, query, capture, edit, etc.). • Captured data is transferred to a
desktop PC or emailed to the office• Some have connected capability via
“Dropbox”
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““Disconnected” WorkflowDisconnected” Workflow
• Tend to be licence-based• Full suite of mapping functionality
• GIS Mapping to Surveying• Cost £250-£1000+ per licence
• Annual software maintenance• eg. ESRI ArcPad, Digiterra, Terrasync
• Microsoft now extending support for Windows Mobile (WEHH) until 2020!
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““Occasionally Connected” WorkflowOccasionally Connected” Workflow
• Best of both worlds• Use active internet connection to
send/retrieve edits to the cloud or secure server and retrieve new data
• When disconnected, data is cached locally
• Application functionality works in connected and disconnected mode
• Synchronisation occurs in the background when connected
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““Occasionally Connected” WorkflowOccasionally Connected” Workflow
• Tend to be subscription-based• Cloud-based
• Not all have private cloud capability• Limited mapping functionality
• Cost £15-20 per user per month• Spread the cost over the project
• ESRI Collector/ArcPad/ArcGIS Mobile• Terraflex• Terrago Edge• MGISS Custom
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““Best of Both Worlds “Best of Both Worlds “
This is Bill
Bill is occasionally connected
Bill can use an active internet connection to send/retrieve edits to the cloud
Bill can still edit data when not connected
Bill has cached data!
Bill is SMART
Be like Bill
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Which workflow for me?Which workflow for me?• Will you have a constant reliable
internet connection in the field?
• Single (large) site with excellent WiFi• Or Urban areas with WiFi Hotspots• If not then need to consider something
else
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Which workflow for me?Which workflow for me?• Do you return to the office each day
or frequently?
• If yes then a disconnected workflow would likely be most cost-effective
• No concern with remote synchronisation or data costs
• If no then further consideration is required.
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Which workflow for me?Which workflow for me?• Do you need to send data back
while you are on site?
• If yes then an occasionally connected workflow would likely be most cost-effective
• Typically field teams syncing data remotely with central office/each other
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Which workflow for me?Which workflow for me?• Do you already have a corporate
mobile data plans and GIS systems eg. Large ESRI customer and need to send data back while you are on site?
• Mix of disconnected and occasionally connected apps to suit the end-user but based on the same workflow
• Remote synchronisation or data costs minimal relative to the gains in productivity
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POLLPOLL
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Workflow componentsWorkflow components
Cloud
Custom ReportsHTMLPrint to PDF
COTS orCustom
Data Collection
Asset Inspectioneg. “BYOD” + GNSS + other sensors
MGISSData
EngineWeb-GIS/Dashboard
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Accuracy ConsiderationsAccuracy Considerations
• Accuracy requirement• Choosing the relevant GPS/GNSS• What accuracy do you REALLY need• Higher Accuracy = Higher Cost ??
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10cm 60cm 3m
1m >5m
ConsumerProsumerMappingSurveying
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, Trimble Navigation Limited
What is GNSS ?What is GNSS ?• GNSS stands for Global Navigation
Satellite System.• Current operational GNSS constellations
include:• GPS – Global Positioning System (US
Dept of Defence). • GLONASS – GLObal NAvigation Satellite
System (Russian System).
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, Trimble Navigation Limited
GNSS SystemsGNSS Systems• GNSS constellations in development
include:
• BeiDou – Chinese constellation. Fully operational in Asia-Pacific since 2012. Worldwide coverage by 2020
• Galileo – EU/European Space Agency constellation. Still in development. Full service by 2020
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Real-time Correction - SBASReal-time Correction - SBASSatellite- Based Augmentation
SystemsFree serviceSub metre accuracy
achievable Limited Worldwide coverage:
• WAAS (North America)• EGNOS (Europe)• MSAS (Japan)• GAGAN (India)
Direct Line of sight required to geostationary satellite
Limited
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Real-time Correction ServicesReal-time Correction ServicesNetwork VRSSatellite corrections eg. RTX, AtlasOften require additional antenna/firmwareVery accurate GNSS positions, typically <1m-1cmConvenience, no need to setup an additional base Subscription Costs Data costs Limited worldwide coverage:
• UK & Ireland• Europe• USA• Australia
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External Sensors + BYODExternal Sensors + BYOD“Bring Your Own Device”“Bring Your Own Device”
BluetooothGPS/GNSS
Tablet/Smartphone + Bluetooth GNSS
SpikeLaser Rangefinder SmartPhone attachment
Survey Grade GNSSeg. Spectra Precision SP80/SP60
eg. Arrow series
eg Trimble R1
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All-in-One DevicesAll-in-One DevicesSub-meter GPS 5MP camera
3D compass
Accurate Laser Rangefinder SD Card
Ruggedized Mobile Computer
Software
Trimble Geo 7x
ikeGPS
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Cost CurveCost Curve
£0
£1,000
£2,000
£3,000
£4,000
£5,000
£6,000
£7,000
£8,000
Consumer Prosumer Mapping Surveying
Cos
t £Accuracy v Cost
GNSS Software All in one
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Decisions…DecisionsDecisions…Decisions
MGISS are here to provide:•Independent Advice•Informed by Experience•Discovery days/ More Webinars!•Sales, Service, Training and Support
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www.mgiss.co.uk│@[email protected]@mgiss.co.uk
T +44(0)151 329 0820│M +44(0)7841 070286IC1, Liverpool Science Park, 131 Mount
Pleasant, Liverpool, L3 5TF