`%0 Conference Proceedings`

`%4 sid.inpe.br/banon/2002/11.07.12.08`

`%2 sid.inpe.br/banon/2002/11.07.12.08.40`

`%A Wu, Shin Ting,`

`%A Aléssio, Osmar,`

`%A Costa, Sueli I. R.,`

`%T On estimating local geometric properties of intersection curves`

`%B Brazilian Symposium on Computer Graphics and Image Processing, 13 (SIBGRAPI)`

`%D 2000`

`%E Carvalho, Paulo Cezar Pinto,`

`%E Walter, Marcelo,`

`%8 October`

`%J Los Alamitos`

`%I IEEE Computer Society`

`%C Gramado, RS, Brazil`

`%K computational geometry, local geometric property estimation, intersection curves, robust algorithm, torsion vectors, curvature vectors, binormal vectors, tangent vectors, normal vectors, marching directions.`

`%X The paper presents a simple and robust algorithm for estimating the local geometric properties of intersection curves, namely the tangent, normal, binormal, curvature and torsion vectors at any point. In addition, two new marching directions that make use of these properties are given.`

`%P 152-159`

`%O The conference was held in Gramado, RS, Brazil, from October 17 to 20.`

`%1 SBC - Brazilian Computer Society`

`%3 152-159.pdf`