mirror of https://github.com/CGAL/cgal
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Monique Teillaud
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demo.C
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------------
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Construction of a Delaunay triangulation.
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Needs an input file "data" containing points (given by x y z)
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Opens a geomview window
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Draws the triangulation in geomview
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Writes the triangulation into a file "output"
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------------
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#include <CGAL/basic.h>
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#include <cstring>
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#include <iostream>
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#include <fstream>
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#include <strstream.h>
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#include <list>
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#include <CGAL/Cartesian.h>
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#include <CGAL/Point_3.h>
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#include <CGAL/Triangulation_iterators_3.h>
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#include <CGAL/Triangulation_circulators_3.h>
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#include <CGAL/Triangulation_cell_base_3.h>
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#include <CGAL/Triangulation_vertex_base_3.h>
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#include <CGAL/Triangulation_data_structure_3.h>
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#include <CGAL/Triangulation_geom_traits_3.h>
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#include <CGAL/Triangulation_3.h>
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#include <CGAL/Delaunay_triangulation_3.h>
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#include <CGAL/IO/Geomview_stream.h>
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typedef CGAL::Cartesian<double> Rep;
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typedef CGAL::Triangulation_geom_traits_3<Rep> Gt;
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typedef CGAL::Triangulation_vertex_base_3<Gt> Vb;
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typedef CGAL::Triangulation_cell_base_3<Gt> Cb;
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typedef CGAL::Triangulation_data_structure_3<Vb,Cb> TDS;
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typedef CGAL::Triangulation_3<Gt,TDS> Triangulation;
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typedef CGAL::Delaunay_triangulation_3<Gt,TDS> Delaunay;
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typedef CGAL::Triangulation_vertex_iterator_3<Gt,TDS> Vertex_iterator;
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typedef CGAL::Triangulation_edge_iterator_3<Gt,TDS> Edge_iterator;
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typedef CGAL::Triangulation_cell_iterator_3<Gt,TDS> Cell_iterator;
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typedef CGAL::Triangulation_facet_iterator_3<Gt,TDS> Facet_iterator;
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typedef CGAL::Triangulation_cell_circulator_3<Gt,TDS> Cell_circulator;
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typedef typename Triangulation::Cell Cell;
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typedef typename Triangulation::Vertex Vertex;
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typedef typename Triangulation::Cell_handle Cell_handle;
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typedef typename Triangulation::Vertex_handle Vertex_handle;
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typedef typename Triangulation::Locate_type Locate_type;
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typedef Gt::Point Point;
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//typedef CGAL::Point_3<Rep> Point;
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//////////////////////
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// VISU GEOMVIEW
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//////////////////////
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template<class TRIANGULATION>
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void visu_cells(CGAL::Geomview_stream & os, const TRIANGULATION & T)
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{
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Cell_iterator cit = T.finite_cells_begin();
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Cell_iterator cdone = T.cells_end();
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if ( cit == cdone ) { cout << "debut=fin" << endl ;}
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else {
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while(cit != cdone) {
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os << T.tetrahedron(&(*cit));
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++cit;
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}
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}
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}
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void visu_cell(CGAL::Geomview_stream & os, Cell_handle c)
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{
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os << Gt::Tetrahedron(c->vertex(0)->point(),
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c->vertex(1)->point(),
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c->vertex(2)->point(),
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c->vertex(3)->point());
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}
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template<class TRIANGULATION>
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void visu_facets(CGAL::Geomview_stream & os, const TRIANGULATION & T)
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{
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Facet_iterator fit = T.finite_facets_begin();
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Facet_iterator fdone = T.facets_end();
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if ( fit == fdone ) { cout << "debut=fin" << endl ;}
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else {
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while(fit != fdone) {
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os << T.triangle(*fit);
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++fit;
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}
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}
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}
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template<class TRIANGULATION>
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void visu_edges(CGAL::Geomview_stream & os, const TRIANGULATION & T)
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{
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Edge_iterator eit = T.finite_edges_begin();
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Edge_iterator edone = T.edges_end();
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if ( eit == edone ) { cout << "debut=fin" << endl ;}
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else {
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while(eit != edone) {
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os << T.segment(*eit);
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++eit;
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}
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}
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}
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template<class TRIANGULATION>
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void visu_vertices(CGAL::Geomview_stream & os, const TRIANGULATION & T)
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{
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Vertex_iterator vit = T.finite_vertices_begin();
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Vertex_iterator vdone = T.vertices_end();
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if ( vit == vdone ) { cout << "debut=fin" << endl ;}
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else {
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while(vit != vdone) {
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os << vit->point();
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++vit;
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}
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}
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}
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//////////////////////
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// INSERTION
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//////////////////////
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template<class TRIANGULATION>
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void insere(CGAL::Geomview_stream & os, TRIANGULATION & T, Point p)
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{
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cout << p << endl;
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os << p;
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cout << "localisation" << endl;
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Triangulation::Locate_type lt;
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int li, lj;
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Cell_handle c = T.locate( p, lt, li, lj ) ;
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switch ( T.dimension() ) {
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case 0:
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{
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pp_vertex(c->vertex(0));
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break;
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}
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case 1:
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{
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pp_edge(CGAL::make_triple(c,0,1));
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break;
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}
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case 2:
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{
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pp_facet(make_pair(c,3));
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break;
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}
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case 3:
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{
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pp_cell(c);
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break;
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}
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}
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cout << (int) lt << " " << li << " " << lj << endl;
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cout << "insertion " << endl;
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T.insert( p );
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affiche_sommets(T);
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cout << "validite " << T.is_valid(true) << endl;
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}
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CGAL::Geomview_stream gv(CGAL::Bbox_3(0,0,0, 2, 2, 2));
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Delaunay T;
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int main(int argc, char* argv[])
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{
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CGAL::Geomview_stream gv(CGAL::Bbox_3(0,0,0, 2, 2, 2));
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gv.set_line_width(4);
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gv.set_trace(false);
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gv.set_bg_color(CGAL::Color(200, 200, 200));
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gv.set_face_color(CGAL::RED);
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gv.set_edge_color(CGAL::GREEN);
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gv.set_vertex_color(CGAL::BLUE);
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Point p0(0,0,0);
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Point px(1,0,0);
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Point py(0,1,0);
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Point pz(0,0,1);
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ifstream iFile("points",ios::in);
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if (iFile) cout <<" reading file "
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<< "points" << endl ;
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Point nouv;
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if (iFile) {
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while ( iFile >> nouv ) {
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T.insert(nouv);
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}
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}
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visu_cells(gv,T);
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visu_vertices(gv,T);
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visu_edges(gv,T);
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cout << T.is_valid(true);
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ofstream oFileT("output",ios::out);
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cout <<" writing file "
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<< "output" << endl << flush;
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oFileT << T;
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char ch;
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cout << "donner caractere de fin" << endl;
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cin >> ch;
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return 1;
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}
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@ -0,0 +1,80 @@
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# This is the makefile for compiling a CGAL application.
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#---------------------------------------------------------------------#
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# include platform specific settings
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#---------------------------------------------------------------------#
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# Choose the right include file from the <cgalroot>/make directory.
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# CGAL_MAKEFILE = ENTER_YOUR_INCLUDE_MAKEFILE_HERE
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#CGAL_MAKEFILE = /0/prisme_util/CGAL/CGAL-last/make/makefile_sparc_SunOS-5.6_g++-2.8.1_LEDA
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#CGAL_MAKEFILE = /0/prisme_util/CGAL/CGAL-last/make/makefile_sparc_SunOS-5.6_CC-4.2_LEDA
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#CGAL_MAKEFILE = makefile_cgal_leda361
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include $(CGAL_MAKEFILE)
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# ---------------------------------------------------------------------#
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# compiler flags
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#---------------------------------------------------------------------#
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# rajouter CGAL_LOCAL_CXXFLAGS si on veut les packages de Local
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CXXFLAGS = -I../../include \
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-Wall \
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-DCGAL_TRIANGULATION_SHORT_NAMES_3_H \
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$(CGAL_CXXFLAGS) \
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-g #\
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# -B $(UTIL)/Binutils/SunOS/bin/ #$(GCC_EXEC_PREFIX) #pour eg++
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#$(CGAL_LOCAL_CXXFLAGS) \
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#mt -I. -I${OIVHOME}/include #a rajouter pour inventor avec CC
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#libraries used by Inventor
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xfc_LIBS=-L${OIVHOME}/lib -L${OGLHOME}/lib -lpthread -lInventorXt -lInventor -limage -lGLU -lGL -lXm -lXt -lXext -lX11 -lXi -ldga -lgen -lnsl -lsocket -lm -ldl
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#---------------------------------------------------------------------#
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# linker flags
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#---------------------------------------------------------------------#
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#LDFLAGS = \
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# $(CGAL_WINDOW_LDFLAGS) -lGeomview -B /u/rigel/0/prisme/spion/BINUTILS/solaris/bin/
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LDFLAGS = \
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$(CGAL_LDFLAGS)# -gstabs \
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#-B $(UTIL)/Binutils/SunOS/bin/
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#---------------------------------------------------------------------#
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# target entries
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#---------------------------------------------------------------------#
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all: \
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essai
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demo: demo.o
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$(CGAL_CXX) -o demo demo.o $(LDFLAGS)
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essai: essai.o pretty_print.o
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$(CGAL_CXX) -o essai essai.o pretty_print.o $(LDFLAGS)
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essaiIv: essaiIv.o
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$(CGAL_CXX) -o essaiIv essaiIv.o $(LDFLAGS) ${xfc_LIBS}
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essai_tds: essai_tds.o pretty_print.o
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$(CGAL_CXX) -o essai_tds essai_tds.o pretty_print.o $(LDFLAGS)
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clean:
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/bin/rm -f *.o \
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essai \
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essai_tds \
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core
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essai.o: ../include/CGAL/*.h pretty_print.h
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essai_tds.o: ../include/CGAL/*.h pretty_print.h
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#---------------------------------------------------------------------#
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# suffix rules
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#---------------------------------------------------------------------#
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.C.o:
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$(CGAL_CXX) $(CXXFLAGS) -c $<
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