nps project capabilities modeling the 3d collision track between uss greeneville and mv ehime maru...
TRANSCRIPT
NPS Project Capabilities
Modeling the 3D Collision TrackModeling the 3D Collision Trackbetween USS GREENEVILLE between USS GREENEVILLE
and MV Ehime Maruand MV Ehime Maru
Progress Report, 14 June 2001Progress Report, 14 June 2001
Don BrutzmanDon Brutzman
MOVES and Undersea Warfare Academic GroupsMOVES and Undersea Warfare Academic Groups
Naval Postgraduate SchoolNaval Postgraduate School
[email protected]@nps.navy.mil
Background:Naval Postgraduate School
““Navy’s University” Monterey CaliforniaNavy’s University” Monterey California
• USN, USMC, USA, USAF, allied officers, civil serviceUSN, USMC, USA, USAF, allied officers, civil service
• Two-year masters’ degrees with thesesTwo-year masters’ degrees with theses
Undersea Warfare Academic GroupUndersea Warfare Academic Group
• Multiple specialized degree programsMultiple specialized degree programs
• Curriculum includes UW3303 modeling & simulation course Curriculum includes UW3303 modeling & simulation course
MOVES InstituteMOVES Institute
• Modeling, Virtual Environments & SimulationModeling, Virtual Environments & Simulation
• Mix of computer science & ops research simulationMix of computer science & ops research simulation
““Navy’s University” Monterey CaliforniaNavy’s University” Monterey California
• USN, USMC, USA, USAF, allied officers, civil serviceUSN, USMC, USA, USAF, allied officers, civil service
• Two-year masters’ degrees with thesesTwo-year masters’ degrees with theses
Undersea Warfare Academic GroupUndersea Warfare Academic Group
• Multiple specialized degree programsMultiple specialized degree programs
• Curriculum includes UW3303 modeling & simulation course Curriculum includes UW3303 modeling & simulation course
MOVES InstituteMOVES Institute
• Modeling, Virtual Environments & SimulationModeling, Virtual Environments & Simulation
• Mix of computer science & ops research simulationMix of computer science & ops research simulation
Project Description
GoalGoal
• Model all aspects of ship collision with full precisionModel all aspects of ship collision with full precision
MotivationMotivation
• Produce high-resolution 3D virtual environmentProduce high-resolution 3D virtual environment
• Utilize unclassified information assetsUtilize unclassified information assets
• Provide challenging projects for NPS studentsProvide challenging projects for NPS students
• Serve as learning tool for studying lessons learnedServe as learning tool for studying lessons learned
• Prototype for visualizing at-sea tactical awarenessPrototype for visualizing at-sea tactical awareness
GoalGoal
• Model all aspects of ship collision with full precisionModel all aspects of ship collision with full precision
MotivationMotivation
• Produce high-resolution 3D virtual environmentProduce high-resolution 3D virtual environment
• Utilize unclassified information assetsUtilize unclassified information assets
• Provide challenging projects for NPS studentsProvide challenging projects for NPS students
• Serve as learning tool for studying lessons learnedServe as learning tool for studying lessons learned
• Prototype for visualizing at-sea tactical awarenessPrototype for visualizing at-sea tactical awareness
Modelers and sources
ModelersModelers
• Undersea warfare students: track reconstructionUndersea warfare students: track reconstruction
• MOVES students: 3D modelsMOVES students: 3D models
Data SourcesData Sources
• Court of Inquiry report has massive details of interest Court of Inquiry report has massive details of interest http://www.cpf.navy.mil/cpfnews/coidownloadmain.html http://www.cpf.navy.mil/cpfnews/coidownloadmain.html
• National Transportation Safety Board (NTSB) advisoryNational Transportation Safety Board (NTSB) advisory
• Various press reportsVarious press reports
ModelersModelers
• Undersea warfare students: track reconstructionUndersea warfare students: track reconstruction
• MOVES students: 3D modelsMOVES students: 3D models
Data SourcesData Sources
• Court of Inquiry report has massive details of interest Court of Inquiry report has massive details of interest http://www.cpf.navy.mil/cpfnews/coidownloadmain.html http://www.cpf.navy.mil/cpfnews/coidownloadmain.html
• National Transportation Safety Board (NTSB) advisoryNational Transportation Safety Board (NTSB) advisory
• Various press reportsVarious press reports
Court of Inquiry download page
Reconstruction chartlet from Court of Inquiry
New York Times figure8 March 2001
National Transportation Safety Board reconstruction
• Initial report 2 March 2001Initial report 2 March 2001• http://www.ntsb.gov/Pressrel/2001/010302.htmhttp://www.ntsb.gov/Pressrel/2001/010302.htm
• Initial report 2 March 2001Initial report 2 March 2001• http://www.ntsb.gov/Pressrel/2001/010302.htmhttp://www.ntsb.gov/Pressrel/2001/010302.htm
National Transportation Safety Board 3D plot
• Initial report Initial report 2 March 20012 March 2001
• Difficult to Difficult to visualizevisualize
• Initial report Initial report 2 March 20012 March 2001
• Difficult to Difficult to visualizevisualize
3D Scene and Ship Models
Initial modeling completeInitial modeling complete
• Spreadsheet-based dead reckoning of reconstructionSpreadsheet-based dead reckoning of reconstruction
• Aggregate scene with time-based ship tracksAggregate scene with time-based ship tracks
– WaypointInterpolatorPrototypeWaypointInterpolatorPrototype
• 688 class submarine (USS GREENEVILLE)688 class submarine (USS GREENEVILLE)
• MV Ehime MaruMV Ehime Maru
• Initial control model of sea state at collision pointInitial control model of sea state at collision point
• Autogeneration of model library Autogeneration of model library
Initial modeling completeInitial modeling complete
• Spreadsheet-based dead reckoning of reconstructionSpreadsheet-based dead reckoning of reconstruction
• Aggregate scene with time-based ship tracksAggregate scene with time-based ship tracks
– WaypointInterpolatorPrototypeWaypointInterpolatorPrototype
• 688 class submarine (USS GREENEVILLE)688 class submarine (USS GREENEVILLE)
• MV Ehime MaruMV Ehime Maru
• Initial control model of sea state at collision pointInitial control model of sea state at collision point
• Autogeneration of model library Autogeneration of model library
Collision: USS Greeneville, MV Ehime Maru
Entry view
USS Greeneville, port quarter
USS Greeneville, aft stbd quarter
Ehime Maru, stbd quarter
Ehime Maru, astern
Controllable sea state
Controllable sea state
Sea state from above
Key Coordinates for the VRML Map of Oahu
X = 0Y = 0 Z = 0
X = 0Y = 0 Z = -110,572
X = 147,569Y = 0 Z = -110,572
X = 147,569Y = 0 Z = 0
X = 61,000Y = 20,000 Z = 23,000
CollisionArea
Default viewpoint
Oahu
Molokai
Oahu 3D model in progress
Technology used: X3D
Extensible 3D (X3D) Graphics SpecificationExtensible 3D (X3D) Graphics Specification
• 33rdrd generation Virtual Reality Modeling Language generation Virtual Reality Modeling Language
• ISO international standard, non-proprietaryISO international standard, non-proprietary
• 3D graphics interchange for World Wide Web3D graphics interchange for World Wide Web
• Suitable for scaling up to very large networked worldsSuitable for scaling up to very large networked worlds
• Open source, commercial implementations availableOpen source, commercial implementations available
• http://www.web3D.org/x3d.htmlhttp://www.web3D.org/x3d.html
• NPS is leading X3D developmentNPS is leading X3D development
Extensible 3D (X3D) Graphics SpecificationExtensible 3D (X3D) Graphics Specification
• 33rdrd generation Virtual Reality Modeling Language generation Virtual Reality Modeling Language
• ISO international standard, non-proprietaryISO international standard, non-proprietary
• 3D graphics interchange for World Wide Web3D graphics interchange for World Wide Web
• Suitable for scaling up to very large networked worldsSuitable for scaling up to very large networked worlds
• Open source, commercial implementations availableOpen source, commercial implementations available
• http://www.web3D.org/x3d.htmlhttp://www.web3D.org/x3d.html
• NPS is leading X3D developmentNPS is leading X3D development
Future work: already in progress
AnalysisAnalysis• Spline plots for tracks Spline plots for tracks
• Improved sea-state rendering and control Improved sea-state rendering and control
• Evaluate 6 degree-of-freedom (DOF) hydrodynamicsEvaluate 6 degree-of-freedom (DOF) hydrodynamics
3D modeling3D modeling• Periscope viewpoint and animated tourPeriscope viewpoint and animated tour
• Improved usability: control over scenario clock, etc.Improved usability: control over scenario clock, etc.
• Fog, cloudiness, time of day, other visual effectsFog, cloudiness, time of day, other visual effects
• Integrated rendering of sonar and radarIntegrated rendering of sonar and radar
• Multimedia integration: audio, video, hypertext, still imageryMultimedia integration: audio, video, hypertext, still imagery
AnalysisAnalysis• Spline plots for tracks Spline plots for tracks
• Improved sea-state rendering and control Improved sea-state rendering and control
• Evaluate 6 degree-of-freedom (DOF) hydrodynamicsEvaluate 6 degree-of-freedom (DOF) hydrodynamics
3D modeling3D modeling• Periscope viewpoint and animated tourPeriscope viewpoint and animated tour
• Improved usability: control over scenario clock, etc.Improved usability: control over scenario clock, etc.
• Fog, cloudiness, time of day, other visual effectsFog, cloudiness, time of day, other visual effects
• Integrated rendering of sonar and radarIntegrated rendering of sonar and radar
• Multimedia integration: audio, video, hypertext, still imageryMultimedia integration: audio, video, hypertext, still imagery
Contact
Don BrutzmanDon Brutzman
[email protected]@nps.navy.mil
http://web.nps.navy.mil/~brutzmanhttp://web.nps.navy.mil/~brutzman
Code UW/Br, Naval Postgraduate SchoolCode UW/Br, Naval Postgraduate School
Monterey California 93943-5000 USAMonterey California 93943-5000 USA
831.656.2149 voice831.656.2149 voice
831.656.3679 fax831.656.3679 fax
Don BrutzmanDon Brutzman
[email protected]@nps.navy.mil
http://web.nps.navy.mil/~brutzmanhttp://web.nps.navy.mil/~brutzman
Code UW/Br, Naval Postgraduate SchoolCode UW/Br, Naval Postgraduate School
Monterey California 93943-5000 USAMonterey California 93943-5000 USA
831.656.2149 voice831.656.2149 voice
831.656.3679 fax831.656.3679 fax