1 /*# ---------------------------------------------------------------------
3 # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
5 # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
6 # Previous Authors : Laurent Guigues, Jean-Pierre Roux
7 # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
9 # This software is governed by the CeCILL-B license under French law and
10 # abiding by the rules of distribution of free software. You can use,
11 # modify and/ or redistribute the software under the terms of the CeCILL-B
12 # license as circulated by CEA, CNRS and INRIA at the following URL
13 # http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
14 # or in the file LICENSE.txt.
16 # As a counterpart to the access to the source code and rights to copy,
17 # modify and redistribute granted by the license, users are provided only
18 # with a limited warranty and the software's author, the holder of the
19 # economic rights, and the successive licensors have only limited
22 # The fact that you are presently reading this means that you have had
23 # knowledge of the CeCILL-B license and that you accept its terms.
24 # ------------------------------------------------------------------------ */
26 #include "contoursIntersection.h"
29 contoursIntersection::contoursIntersection()
33 contoursIntersection::~contoursIntersection()
36 //-----------------------------------------------------------
37 double contoursIntersection::Slope(double x0, double y0, double x1, double y1)
39 double m = (y1-y0)/(x1-x0);
42 //-----------------------------------------------------------
43 double contoursIntersection::Normal(double x0, double y0, double* m, double xi)
47 y = ((*m)*(xi - x0)) + y0;
50 //-----------------------------------------------------------
51 void contoursIntersection::Intersection(double x01, double y01, double x02, double y02, double mn, double m2, double* x, double* y)
53 *x = ( y02-y01-(m2*x02)+(mn*x01) )/(mn-m2);
56 //-----------------------------------------------------------
57 //-----------------------------------------------------------
58 //-----------------------------------------------------------
59 //-----------------------------------------------------------
60 //-----------------------------------------------------------
61 //-----------------------------------------------------------
62 //-----------------------------------------------------------
63 //-----------------------------------------------------------