2016-11-301998@inproceedings{1998_Ruiz_Computational, title={Computational Geometry in the Preprocessing of Point Clouds for Surface Modeling}, author={Ruiz, O. and Posada, J.}, booktitle={Integrated Design and Manufacturing in Mechanical Engineering}, address={Compiegne, France}, isbn={2-913087-03-5}, pages={613--620}, year={1998}, }2-913087-03-5http://hdl.handle.net/10784/9791In Computer Aided Geometric Design ( CAGD ) the automated fitting of surfaces to massive series of data points presents several difficulties: (i) even the formal definition of the problem is ambiguous because the mathematical characteristics (continuity, for example) of the surface fit are dependent on non-geometric considerations, (ii) the data has an stochastic sampling component that cannot be taken as literal, and, (iii) digitization characteristics, such as sampling interval and directions are not constant, etc -- In response, this investigation presents a set of computational tools to reduce, organize and re-sample the data set to fit the surface -- The routines have been implemented to be portable across modeling or CAD servers -- A case study is presented from the footwear industry, successfully allowing the preparation of a foreign, neutral laser digitization of a last for fitting a B-spline surface to it -- Such a result was in the past attainable only by using proprietary software, produced by the same maker of the digitizing hardwareapplication/pdfenginfo:eu-repo/semantics/conferencePaperinfo:eu-repo/semantics/closedAccessDISEÑO CON AYUDA DE COMPUTADORTEORÍA SPLINETOPOLOGÍAPROGRAMACIÓN HEURÍSTICAINDUSTRIA DEL CALZADORAZONAMIENTOComputer-aided DesignSpline theoryTopologyHeuristic programmingBoots and shoes - trade and manufactureReasoningCAD (Diseño Asistido por Computador)Sistemas CAD/CAMModelado geométricoNube de puntosMuestreo estocásticoAcceso cerrado2016-11-30Ruíz, O.E.Posada, J.L.