ParSketch: a sketch-based interface for a 2D parametric geometry editor

Authors:
Ferran Naya;Manuel Contero;Nuria Aleixos;Pedro Company
Affiliations:
Polytechnic University of Valencia, Valencia, Spain;Polytechnic University of Valencia, Valencia, Spain;Universitat Jaume I, Castellón, Spain;Universitat Jaume I, Castellón, Spain
Venue:
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction platforms and techniques
Year:
2007

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Abstract

ParSketch is a software prototype to evaluate the usability and functionality of a sketching interface aimed at defining 2D parametric sections. Currently, ParSketch interprets strokes which can be recognized as geometry (line, arc, circle, ellipse, or composed entities that are automatically segmented into those basic entities), or graphic gestures representing constraints (dimension, parallel, perpendicular, tangent, concentric, horizontal or vertical). From the functionality point of view, ParSketch compares to current commercial parametric CAD applications, as it offers many of the features provided by such applications. A theoretical analysis of the efficiency component of usability is provided that justifies the potential capability of sketching interfaces to compete with classical WIMP applications. Finally, a usability study is presented, which makes special emphasis in the satisfaction component of usability.