%0 Journal Article %T B-spline Patches Fitting on Surfaces and Triangular Meshes %A B¨¦la %A Szilvia %A Szilv¨¢si-Nagy %A M¨¢rta %J - %D 2011 %X Sa£¿etak In this paper a technique for the construction of quartic polynomial B-spline patches fitting on analytical surfaces and triangle meshes is presented.The input data are curvature values and principal directions at a given surface point which can be computed directly, if the surface is represented by a vector function. In the case of discrete surface representation, i.e. on a triangle mesh the required input data are computed from a circular neighborhood of a specified triangle face. Such a surface patch may replace a well defined region of the mesh, and can be used e.g. in re-triangulation, mesh-simplification and rendering algorithms %K B-spline surface %K local surface approximation %K principal curvatures %K triangle mesh %U https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=114389