DASS: Detail Aware Sketch-Based Surface Modeling

TL;DR

This paper introduces DASS, a sketch-based surface modeling system that enables detailed local editing and global shape modifications through a multilevel representation combining adaptive meshes, manifold structures, and variational implicit surfaces.

Contribution

It presents a novel multilevel surface representation that integrates manifold structures with variational implicit surfaces for flexible detail and shape editing.

Findings

Allows local detail editing without altering overall shape

Enables global shape modifications while maintaining details

Uses adaptive mesh and label theory for manifold construction

Abstract

We present a sketch-based modeling system suitable for detail editing, based on a multilevel representation for surfaces. The main advantage of this representation allowing for the control of local (details) and global changes of the model. We used an adaptive mesh (4-8 mesh) and developed a label theory to construct a manifold structure, which is responsible for controlling local editing of the model. The overall shape and global modifications are defined by a variational implicit surface (Hermite RBF). Our system assembles the manifold structures to allow the user to add details without changing the overall shape, as well as edit the overall shape while repositioning details coherently.