gunu_project.h Source File

00001 /* LIBGUL - Geometry Utility Library
00002  * Copyright (C) 1998-1999 Norbert Irmer
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Library General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Library General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Library General Public
00015  * License along with this library; if not, write to the
00016  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  * Boston, MA 02111-1307, USA.
00018  */
00019  
00020 #ifndef GUNU_PROJECT_H
00021 #define GUNU_PROJECT_H
00022 
00023 namespace gunu {
00024 
00025 using gul::Ptr;
00026 
00027 /*---------------------------------------------------------------------
00028   Structure for returning the results of projecting points onto a nurbs surface
00029 ---------------------------------------------------------------------*/
00030 template< class T, class EP >
00031 struct pts_point : public gul::pool_object
00032 {
00033   int i;
00034   
00035   T u;
00036   T v;
00037   
00038   EP S;
00039 };
00040 
00041 /*---------------------------------------------------------------------
00042   Projects a set of points onto a nurbs surface
00043 ---------------------------------------------------------------------*/
00044 template< class T, class HP, class EP >
00045 GULAPI int ProjectToSurface(
00046            int nDatPoints, const Ptr<EP>& datPoints,
00047            int ref_nu, int ref_pu, const Ptr<T>& refU,
00048            int ref_nv, int ref_pv, const Ptr<T>& refV,
00049            const Ptr< Ptr<HP> >& refPw, 
00050            Ptr< pts_point<T,EP> >& retPts );
00051 
00052 }
00053 
00054 
00055 #endif