In this paper, we present a new technique called Trapezium Drawing to improve surface mesh quality while maintaining the essential surface characteristics. In contrast to previous methods we do not tend to preserve new mesh vertices on the original discrete surface. Instead our approach allows keeping new mesh close to the surface approximated by the initial mesh. All operations are performed d...

An interactive system for designing curved surfaces is proposed which is based on direct manipulation of a single-view shaded image of this surface. Apart from functions like carving in the surface or adding to it, and local smoothing, sharpening or shifting of selected surface regions, the system supports painting local gradient distributions. An iterative algorithm enforces conservativity of ...

Nanocarriers (NCs) have emerged as powerful tools to improve drug solubility, promote transport across membranes, protect their payload from premature degradation, and deliver drugs in a controlled targeted manner. Their performance strongly depends on the surface chemistry, which governs interaction with biological environment. Bioinert stealth features are advantageous avoid unintended intera...

Several techniques have been introduced to display meso-structure surface details to enhance the appearance of complex surfaces. One strategy is to avoid altogether costly semi-transparency in interactive contexts. However when dealing with hierarchical surface representations (important to filtering) and complex light transfers, semi-transparency must be treated. We propose a method that combi...

Recent works in geometric modeling show the advantage of local differential coordinates in various surface processing applications. In this paper we advocate surface representation via differential coordinates as a basis to interactive mesh editing. One of the main challenges in editing a mesh is to retain the visual appearance of the surface after applying various modifications. The differenti...