Surface Patches from Unorganized Space Curves

Fatemeh Abbasinejad1, Pushkar Joshi2, Nina Amenta1

1University of California-Davis, 2Adobe Systems Inc.

Eurographics Symposium on Geometry Processing 2011 (SGP11)




Recent 3D sketch tools produce networks of three-space curves that suggest the contours of shapes. The shapes may be non-manifold, closed three-dimensional, open two-dimensional, or mixed. We describe a system that automatically generates intuitively appealing piecewise-smooth surfaces from such a curve network, and an intelligent user interface for modifying the automatically chosen surface patches. Both the automatic and the semi-automatic parts of the system use a linear algebra representation of the set of surface patches to track the topology. On complicated inputs from ILoveSketch [BBS08], our system allows the user to build the desired surface with just a few mouse-clicks.

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