Managing bathymetric data in a hydrographic survey company · Managing bathymetric data in a...
Transcript of Managing bathymetric data in a hydrographic survey company · Managing bathymetric data in a...
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Managing bathymetric data in a hydrographic survey company
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Overview
• Brief Introduction to MMT
• How MMT use GIS
• Why we need to manage bathy
data
• The BIS
• Inputting Data to the BIS
• Using the BIS
• GIS Product workflows
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Company Profile
• High Resolution Seabed Mapping,
Pipeline, Geophysical and
Geotechnical Surveying
• MMT Swedish company founded in
1976, MMT UK (NetSurvey)
established 2002
• Offices in Gothenburg, Sweden &
Banbury, UK
• Privately owned
• 220 specialists
• 6 vessels
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Market segments & Clients
• Pipeline route survey
• Site survey
• Pipeline inspections
• Wind park surveys
• Site surveys wave & tidal
energy
• Environmental impact assessment
• Habitat mapping
• Species Assessment
• Large scale IHO mapping
• Power cable route survey
• Telecommunication cable
survey
Oil & Gas
Renewables
Hydrographic
Enviromental
Cables
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Folder View
For a spatially aware
profession we have a strange
view of file storage!
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iPhoto - Even my home computer has better spatial awareness!
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The problem
IT naughty chair!
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DO WE PRODUCE SEABED MAPS OR CHARTS?
WHAT TYPES OF PRODUCT DO WE NEED TO CREATE?
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Advantages • Structured system
• Consistency
• Quality Control
• Scalability (single file to Enterprise)
• Integration (CAD, Fledermaus, Kingdom, FME)
• Sharing (e.g. via FME – Spatial ETL)
• Time / Cost effective
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Spatial View
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Spatial View
Outline of
individual surveys
shown in green
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Spatial View
Previews of individual surveys with associated metadata
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Bathymetry
Surveys
Charting
Hydrographic Office Systems
Oceans GIS
• Ports • Defense • Energy • Marine
Science
ArcGIS
Fledermaus Soundings
• Thinning • Processing • Depth curves • 3D visualization • Profiling
ArcGIS for Maritime: Bathymetry Part of the ArcGIS system
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ArcGIS for Maritime: Bathymetry
BIS
Register Explore
Gridded data
Collections
Metadata
Compose
Surfaces
52
Features
Queries
Share
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Inputting data into the BIS
Bathymetric Attributed Grids (BAGs) are referenced rather than duplicated.
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Creating a BIS and
Setting Up Collections
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Loading the BIS
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Using the BIS – Viewing data by vessel
Hydrographic Survey consisting from 4 different vessels
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Using the BIS – Viewing data by vessel
Data just from Survey Vessel Ping by filtering the other three vessels out
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Using the BIS – Combining datasets to
create one huge surface
Rules used to define how the surface is built; Newest first, highest accuracy, IHO Order number, Type of sonar….
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Using the BIS – Combining datasets to
create one huge surface
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Geospatial tools can then be applied to the one
surface
Usage: Route surveys, Pipeline surveys, Very large area surveys
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MMT OPTIMISED GIS WORKFLOW
Fledermaus
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Example of
Industry Standards
• OGP Seabed Survey Data Model
(SSDM)
• ArcGIS Pipeline Data Model (APDM)
• ArcGIS Marine Data Model (AMDM)
MMT GIS services – Geographical Information System
Page 24
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.
GIS References
MMT GIS solutions are based on Industry Standards and Best Practice to match Client requirements
Nord Stream Pipeline survey project
(Enterprise solution)
Centrica Wind farm UK survey project (File Geodatabase solution)
NEMO HVDC survey project (File based solution)
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.
Nord Stream Survey GIS 2008 –
GIS
- Relational Database Model Oracle SE1 - ArcGIS Server/ ArcSDE
- Several data sources/companies - Includes vector and raster data
- Incorporates all data from the entire pre-installation survey project
- Extended Metadata using attributes
Advantages - Time / Cost Effective
- Aid during survey and installation by data sharing
- Flexibility and integrity based on platform - Incorporated Quality assurance and Quality control routines
- High level of detail
Challenges
- Over 200 000 unique Seabed objects - Multiple target inspection
- Imagery and raster data handling
2008 2012
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New ways to distribute the data
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MEASURE THE DIFFERENCE!