The 3D Modeller
A completely new 3D
Modeller has been developed. The new generation modeller, currently
called Tas3d, has all the basic functionality of the previous 3D
modeller, including DWG import, Lightscape/VIZ (LP) file export with
Cymap and IFC capabilities to be implemented soon.
The new Tas3d brings
the benefits of a WindowsTM interface, i.e. undo/redo,
multiple selections, copy/paste etc. Any size of building may be input
with the limit on the number of zones, walls, spaces etc. determined
only by the resources of the PC running the software.
In this demo a single
storey building with pitched roof is created. A DWG file is the starting
point for the 3D model. This will be imported and act as the template
for the location of walls, windows and roof etc.

Above: dwg file used in the example
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All the processes are
covered, from entering the geometry, through to subdivision into
analysis zones, shading calculations and export of data to the
simulation program.
One feature that the
Flash animation technology cannot capture very well is the ‘dynamic
dimensioning’ implemented in the software. This facility continually
shows dimensions to adjacent wall points during any drawing/moving
process. When drawing a wall the internal and external lengths are
continually updated. When moving a window the distances to the
neighbouring walls are shown and updated as the window moves. This makes
input of a building from a sketch, or very basic drawing much easier,
when a DWG file is not available.

Above: Wall Dimensioning as walls are
drawn.

Above: Positioning a window within the
wall.
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