Virtual Models

HSL can re-create real environments as virtual 3D models. Applications include:

• Human factors work;
• Incident investigation;
• Training systems;
• Visual communication .

Why use virtual models?
• You can study the environment in detail - walking, flying or adopting any viewpoint you like within the model;
• You can re-create situations which are in the past;
• You can create environments and situations which would be unsafe or difficult to visit in reality;
• You can make anything you like happen in the virtual 'world' ;
• Virtual models can be programmed to behave like real-world environments, so expensive real-world trials and experiments do not have to be done;
• You can share the model with other people, anywhere in the (real) world.

Methodology
• Aims of the proposed model are carefully collected;
• Information about the real (or imagined) environment is collected using sources such as photographs, measurements, laser scans, engineers' drawings, survey data, witness statements;
• A 3D model is built;
• Movement and simulation are programmed into the model as required;
• Validation checks are sometimes needed if the model is simulating reality or performing important calculations;
• Where the model is to be used by other people, an interface is designed and built to make it easy for them to use the model.

How is a model made?
• A 3D model is made up of thousands of points, joined together with lines;
• The lines create surfaces, which can be painted with colours and pictures;
• The model can be made to move to create or simulate events within the virtual 'world'.

Further Details
Contact our Business Development Unit by telephone (+44) 01298 218218, fax (+44) 01298 218822 or email hslinfo@hsl.gov.uk.

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