Structural Sketcher A Tool for Supporting Architects in Early Design Slava Pranovich Technische Universiteit Eindhoven Dept. Math. and Computer Science.

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Presentation transcript:

Structural Sketcher A Tool for Supporting Architects in Early Design Slava Pranovich Technische Universiteit Eindhoven Dept. Math. and Computer Science

Architectural design process Definitive design phase Final design phase Sketch design phase Preliminary design phase

Current drawing systems Specificity Versatility Basic primitives Primitives tailored to the architecture Paint AutoCAD Photoshop ArchiCAD Home design Pen&Paper Cocktail Napkin Arch Studio DDDoolz Pro/E SketchUp low high MicroStation

Challenge How to support architects with a computer tool in the early stages of design?

Requirements Design elements suitable for early design Fast and efficient Short learning time Fun to use

Graphic Units A well defined form of graphic representation is a graphic unit (H.Achten, 1998) Grid Contour Axial system Etc. Zone

High level knowledge Mirroring = Axial system Declaration Action

Geometry Engine Design = Graphic Units + Relations Propagation of geometrical transformations Properties for graphic units and relations The KITE manipulator

User interface Depth + layout geometry = relations

Demo…

Evaluation

Results System\ Criterion Suitability in early design LearnabilityEase of manipulation AppearanceSubjective satisfaction Efficiency & speed Pen and paper worse better worse AutoCAD better PhotoShop better 3D Studio VIZ better ArchiCAD better PowerPoint better Comparison of Structural Sketcher with other systems

Conclusions The use of graphic units is natural for architects Geometry engine provides the flexibility in exploring design variants User interface simplifies the use of the system such it can be used in early design The KITE manipulator provides fast geometry manipulations