3D Visualisation of Integrated Data Sets

Nick Holden,Managing Director N.J.Holden Consultancy ltdTechnical Director GeoVizix LtdPartnered with John Pepper OceanWise.

• Developed the Environment Agency’s LIDAR and Bathymetric survey capabilities.

• i-G Peninsula project to commercialise 3D visualisation of environmental data for decision making and stake holder engagement.

• Set up own company to exploit visualisation potential.

How I got here

Why do we need to visualise data.

• We need to engage professionals and the public before they get board.

• Most data set are not used for the purpose they were collected.

• Most users are unaware of the scale/resolution and accuracy that the original data was collected.

• Most projects will be criticised for some form of operator bias. Who believes a Photo Montage.

• The most reliable QC device is the Mk1 brain when connected to the Mk1 eyeball.

What do we need for visualisations?

• Gold standard LIDAR, Bathymetry, models and aerial photography , GIS data and maps.

• The ability to seamlessly merge coastal topography with bathymetry.

• Ability to handle large data sets.

• We need to be able to project other GIS type data onto the 3D world.

• We need to Project model/planning models into the 3D world.

Aircraft Position Control - GPS

GPS Reference Receiver(ETRF89)

Observed Point ‘p’(ETRF89)

<20km

Line of Flight

Vessel Position Control - GPS

GPS Reference Receiver(ETRF89)

<20km

3D Land-Sea Terrain ModelPortbury, Bristol, UK

3D Land-Sea Terrain ModelPortland Port, Dorset, UK

Plymouth SAR, LIDAR and Bathymetry combined

Plymouth SAR, LIDAR and Bathymetry combined

Marine Themes – Feature Layers

• Elevation --Small Medium & Large Scale

• Shipwrecks & Obstructions

• Industrial Facilities

• Transport

• Administrative & Management Units

• Geographical Regions (L/M/S)

© Ordnance Survey 2012, Vector Map District

Welsh Govt Suppliers Day, 17th October 2013

User Bodies in Wales

• Offshore and Coastal Engineers/ Consultants• Environmental Resource Management• Local Authorities• Emergency Services• Regulatory Bodies• Coastal Monitoring agencies• Contractors• Scientists• Academics• Charities and NGO’s

Welsh Govt Suppliers Day, 17th October 2013

Software packages used

• Ultra Edit/ Excel• Sketch up• MS paint• ArcGIS (ESRI)• Geovisionary (Virtalis)

Thank you

Any Questions??

Nick Holden

Nicholas.holden@btinternet.com

Now a quick interactive playusing

Geovisionary software by Virtalis.Data supplied by OceanWise,

UK Hydrographic Office,Ordnance Survey.