Method - Archangel uses 3D modelling software (ArchiCAD) to produce a Virtual Building Model. From this single building model in the computer, all the planning, building regulations and construction drawings are produced. Furthermore this method enables Archangel to produce three-dimensional presentation material such as a virtual reality walkthrough or object model, enabling all those involved in the project to grasp more fully the nature of the three dimensional design. See the simplified examples below which illustrate the principle: refer to the instructions if you are unfamiliar with QuickTime presentations.

Examples
- These simplified examples have been rendered at a lower resolution and without textures, and show the same new house for a site outside Cambridge. The walkthrough allows you to explore the ground floor and landing of the house, while the object model lets you examine the same house from the outside. In both cases, sunlight has been cast for 11am on 1st May (2pm in the garden rooms), and in the walkthrough this is supplemented with artificial light.

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Walkthrough: To rotate the view, hold down the mouse button and move the cursor in the direction you want to go. To enter another room, scroll over an entranceway until the cursor changes to a straight arrow icon ( ), then double click on it and hold the cursor down (for Mac users a single click is sufficient). To zoom in, press the Shift key. To zoom out, press the Control key.
Object Model: To turn the model, place the mouse over the image. Press and hold the mouse button and move the cursor in your chosen direction; you can view this model from all sides and above.

Benefits
- First and foremost this approach gives the client more information earlier in the design process. This enables the client to visualise the feel of the proposed spaces more fully than they could from 2 dimensional drawings. From this the client is able to engage more meaningfully in the development of the design. As a result the significant changes to a project design can be made earlier in the process, and thus more efficiently and cost-effectively.

The same approach assists the negotiation of a project through to planning approval - planners often struggle to understand the 3-dimensional nature of a proposal. Since all project information is drawn from the single source of the Virtual Building Model, the co-ordination of construction information is tighter, reducing cost and time overruns.

Overall this approach delivers a more predictable outcome in terms of quality, time and cost, and is applicable across the broadest range of projects, from small scale domestic extensions through individual buildings, as shown above, to multi-million pound commercial developments.

 


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