march 2005geodas overview geodas: geophysical data acquisition system
TRANSCRIPT
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March 2005GeoDAS Overview
GeoDAS:Geophysical Data Acquisition
System
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March 2005GeoDAS GUI Overview
What is GeoDAS?
Geophysical Data Acquisition System
Not the sonar…
But rather the survey system
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March 2005GeoDAS GUI Overview
GeoDAS Development
• Begun in 1994
• Purpose-built software for quantitative seafloor mapping
• Designed for new breed of digital sonars: Edgetech DF-1000, Ultra, etc.
• POSIX-compliant, UNIX OS, C/C++
• Adapted by USN in 1995
• Ported to Windows in 1998
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March 2005GeoDAS GUI Overview
GeoDAS:Geophysical Data Acquisition System
Data Input OIC Software Output
Navigation
Sidescan
Sub-Bottom
Bathymetry
Magnetometry
Media
Printers
Final Maps
Data goes in, pictures come out
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March 2005GeoDAS GUI Overview
GeoDAS Design Philosophy
• Never lose data – 24/7/365 logging
• Always log RAW data
• Process data in real-time
• Time-stamp to 1 ms
• Geo-code (mosaic) in real-time
• Built-in measurement, targeting, database, reporting, mission utilities
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March 2005GeoDAS GUI Overview
What can GeoDAS do for you?
• Interface to sensor(s)
• Log Raw Data & NAV
• Enhance Imagery
• Suppress Artifacts
• Calculate altitude
• Mark Targets
• Show Coverage
• Display Charts
• Archive Data
• Print Data
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March 2005GeoDAS GUI Overview
What ELSE can GeoDAS do for you?
Real-time integration ofSensor navigation & attitude
with
Real-time processed sonar data
Means:
Real-time mosaicking
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March 2005GeoDAS GUI Overview
Supports Data Acquisition & Real-Time Processing from a Wide Range of Sensors:
SidescanAll Benthos/Datasonics
All Edgetech
All Klein
Tritech
C-Max
Imagenix
Edo
SeaScan (Korea)
All MSTL
Any analog 2/4 channel
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March 2005GeoDAS GUI Overview
Supports Data Acquisition & Real-Time Processing from a Wide Range of Sensors:
Sidescan
Multi-beamAll RESON SeaBat
All SIMRAD EM series
Odom Echoscan
Seabeam/Elac
Atlas Hydrosweep
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March 2005GeoDAS GUI Overview
Supports Data Acquisition & Real-Time Processing from a Wide Range of Sensors:
Sidescan
Multi-beam
InterferrometricAll SeaMARC Series
All Ultra Deepscan
RDI BSSS
TAMU-TAMU
Submetrix
AMS 50/60/120
Benthos C3D (soon)
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March 2005GeoDAS GUI Overview
Supports Data Acquisition & Real-Time Processing from a Wide Range of Sensors:
Sidescan
Multi-beam
Interferrometric
Optical Raytheon Laser Linescan
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March 2005GeoDAS GUI Overview
Supports Data Acquisition & Real-Time Processing from a Wide Range of Sensors:
Sidescan
Multi-beam
Interferrometric
Optical Raytheon Laser Linescan
Electronic Still Cameras
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March 2005GeoDAS GUI Overview
Supports Data Acquisition & Real-Time Processing from a Wide Range of Sensors:
Sidescan
Multi-beam
Interferrometric
Optical Raytheon Laser Linescan
Electronic Still Cameras
“Streak LIDAR”
laser imaging plus
bathymetry!
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March 2005GeoDAS GUI Overview
Additional Processing Options:SAS
GeoDAS for Synthetic Aperture Sonar, with DTI & Ultra (UK)
Before SASAfter SAS
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March 2005GeoDAS GUI Overview
GeoDAS comes in a variety of packages:
Rack-Mount:Dual processor; removable 36 GB HDD, MO or tape drive; 1280x1024 graphics, 1 GB RAM, Gigabit Ethernic; 18.1” screen; Windows 2000; Options: Quad processors, media drives, HDD, multi-port Ethernet, up to 2GB RAM
Lunch-Box:Single processor, 18GB HDD; CD-RW; 1280x1040 graphics; 256MB RAM; 17.1” screen; removable keyboard; 10/100 Ethernic; Windows 2000 or NT; Option: second HDD or MO
Laptop:Single processor; 60GB HDD; 768MB RAM; 6 serial ports; 10/100 Ethernic; 1024x768 graphics; Windows 98, 2000 or NT
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March 2005GeoDAS GUI Overview
New GeoDAS Features:Electronics Charts: DNC, S-57, BSB, ARCS
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March 2005GeoDAS GUI Overview
New GeoDAS Features:Survey / way-point Layout (2-D)
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March 2005GeoDAS GUI Overview
New GeoDAS Features:SmartSonar
Issues:• Sensor complexity overwhelms operators
– Too much to adjust: range, gain,pulse-width, etc
• Operators may not be present (AUV)– how do we tune for unknown terrain?
• Better raw data would give better input to ATAR– And give better raw data for survey
• SAS makes ATAR mandatory– If we can detect in raw element data, may note even need SAS
Status:• CEROS (Centers of Excellence for Research in Ocean
Sciences) (DARPA $$) funded development of automatic sonar tuning, and target recognition
• Scheduled for release Fall of 2005
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March 2005GeoDAS GUI Overview
New GeoDAS Features: ROVer’s Eye Seabed visualization for Mission Planning / Exectuion
ROVer’s Eye GUI, showing Klein5500 data over Reson 8101 bathymetry
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March 2005GeoDAS Overview
An example of Survey Planning and Execution with GeoDAS and
ROVer’s Eye
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March 2005GeoDAS GUI Overview
Mission Planning & Execution: Step 1: Select your region of interest
Point and Click on a location on one of several user selectable base maps
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March 2005GeoDAS GUI Overview
Mission Planning & ExecutionStep 2: Zoom in
Zoom in to map limits to refine selection
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March 2005GeoDAS GUI Overview
Mission Planning & ExecutionStep 3: Refine selection from chart
Charts, if available, are auto-loaded to help define area(DNC, S-57, BSB, etc.)
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March 2005GeoDAS GUI Overview
Mission Planning & ExecutionStep 4: Name/Define Project
Supply a project name, description, sampling/logging requirements, and refine position/ROI
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March 2005GeoDAS GUI Overview
Step 5: Backgroud bathymetry loaded in ROVer’s Eye:
Digital Bathymetric DataBase, Variable res. (DBDBV) included with GeoDAS, along with World Vector Shoreline data
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March 2005GeoDAS GUI Overview
Step 5 Option: User-supplied DataOptionally, user supplies their own hi-res bathy data
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March 2005GeoDAS GUI Overview
Step 6: Add a vehicle and point of View
Optionally adjust “bird’s” height
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March 2005GeoDAS GUI Overview
Step 7: Add Look-ahead ProfileLook-ahead view, w/adjustable range, min/maxZ, & warnings
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March 2005GeoDAS GUI Overview
Step 8: Add HUD Display graphics for heading, Pitch, Roll & Position
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March 2005GeoDAS GUI Overview
Start Your Survey!Update model on the fly with real-time data from vehicle
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March 2005GeoDAS GUI Overview
GeoDAS Summary:
GeoDAS available now, 100+ installationsSidescanSub-bottomMultibeamLaser LinescanSynthetic Aperture Sonar
24/7/365 Raw data loggingCapable of handling up to 18MB/secRealtime processing:
Artifact removal, shading correctionsFull nav. support, user selectable co-ords.Full attutide & geocoding at 30 HzRealtime and Post-processed mosaics
Options: Desktop, ROVer’s Eye, OICclass, OICpipetrack, OICcleansweep