alpar@1073: /* -*- C++ -*-
ladanyi@1435:  * demo/graph_to_eps.cc - Part of LEMON, a generic C++ optimization library
alpar@1073:  *
alpar@1875:  * Copyright (C) 2006 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
alpar@1359:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
alpar@1073:  *
alpar@1073:  * Permission to use, modify and distribute this software is granted
alpar@1073:  * provided that this copyright notice appears in all copies. For
alpar@1073:  * precise terms see the accompanying LICENSE file.
alpar@1073:  *
alpar@1073:  * This software is provided "AS IS" with no warranty of any kind,
alpar@1073:  * express or implied, and with no claim as to its suitability for any
alpar@1073:  * purpose.
alpar@1073:  *
alpar@1073:  */
alpar@1073: 
alpar@1573: /// \ingroup demos
alpar@1573: /// \file
alpar@1573: /// \brief Demo of the graph grawing function \ref graphToEps()
alpar@1573: ///
alpar@1573: /// This demo program shows examples how to  use the function \ref
alpar@1573: /// graphToEps(). It takes no input but simply creates  six
alpar@1587: /// <tt>.eps</tt> files demonstrating the capability of \ref
alpar@1587: /// graphToEps(), and showing how to draw directed/undirected graphs,
alpar@1587: /// how to handle parallel egdes, how to change the properties (like
alpar@1587: /// color, shape, size, title etc.) of nodes and edges individually
alpar@1630: /// using appropriate \ref maps-page "graph maps".
alpar@1641: ///
alpar@1641: /// \include graph_to_eps_demo.cc
alpar@1073: 
deba@1417: #include <cmath>
deba@1417: 
alpar@1573: #include<lemon/graph_to_eps.h>
alpar@1573: #include<lemon/list_graph.h>
deba@1802: #include<lemon/graph_utils.h>
alpar@1073: 
alpar@1073: using namespace std;
alpar@1073: using namespace lemon;
alpar@1073: 
alpar@1073: int main()
alpar@1073: {
alpar@1178:   ColorSet colorSet;
alpar@1178: 
alpar@1073:   ListGraph g;
alpar@1073:   typedef ListGraph::Node Node;
alpar@1073:   typedef ListGraph::NodeIt NodeIt;
alpar@1073:   typedef ListGraph::Edge Edge;
alpar@1073:   typedef xy<int> Xy;
alpar@1073:   
alpar@1073:   Node n1=g.addNode();
alpar@1073:   Node n2=g.addNode();
alpar@1073:   Node n3=g.addNode();
alpar@1073:   Node n4=g.addNode();
alpar@1073:   Node n5=g.addNode();
alpar@1073: 
alpar@1073:   ListGraph::NodeMap<Xy> coords(g);
alpar@1073:   ListGraph::NodeMap<double> sizes(g);
alpar@1073:   ListGraph::NodeMap<int> colors(g);
alpar@1086:   ListGraph::NodeMap<int> shapes(g);
alpar@1073:   ListGraph::EdgeMap<int> ecolors(g);
alpar@1073:   ListGraph::EdgeMap<int> widths(g);
alpar@1073:   
alpar@1086:   coords[n1]=Xy(50,50);  sizes[n1]=1; colors[n1]=1; shapes[n1]=0;
alpar@1088:   coords[n2]=Xy(50,70);  sizes[n2]=2; colors[n2]=2; shapes[n2]=2;
alpar@1086:   coords[n3]=Xy(70,70);  sizes[n3]=1; colors[n3]=3; shapes[n3]=0;
alpar@1086:   coords[n4]=Xy(70,50);  sizes[n4]=2; colors[n4]=4; shapes[n4]=1;
alpar@1088:   coords[n5]=Xy(85,60);  sizes[n5]=3; colors[n5]=5; shapes[n5]=2;
alpar@1073:   
alpar@1073:   Edge e;
alpar@1073: 
alpar@1073:   e=g.addEdge(n1,n2); ecolors[e]=0; widths[e]=1;
alpar@1073:   e=g.addEdge(n2,n3); ecolors[e]=0; widths[e]=1;
alpar@1073:   e=g.addEdge(n3,n5); ecolors[e]=0; widths[e]=3;
alpar@1073:   e=g.addEdge(n5,n4); ecolors[e]=0; widths[e]=1;
alpar@1073:   e=g.addEdge(n4,n1); ecolors[e]=0; widths[e]=1;
alpar@1073:   e=g.addEdge(n2,n4); ecolors[e]=1; widths[e]=2;
alpar@1073:   e=g.addEdge(n3,n4); ecolors[e]=2; widths[e]=1;
alpar@1073:   
alpar@1268:   IdMap<ListGraph,Node> id(g);
alpar@1073: 
alpar@1573:   cout << "Create 'graph_to_eps_demo_out.eps'" << endl;
alpar@1073:   graphToEps(g,"graph_to_eps_demo_out.eps").scale(10).coords(coords).
alpar@1108:     title("Sample .eps figure").
alpar@1875:     copyright("(C) 2006 LEMON Project").
alpar@1073:     nodeScale(2).nodeSizes(sizes).
alpar@1086:     nodeShapes(shapes).
alpar@1073:     nodeColors(composeMap(colorSet,colors)).
alpar@1073:     edgeColors(composeMap(colorSet,ecolors)).
alpar@1073:     edgeWidthScale(.4).edgeWidths(widths).
alpar@1091:     nodeTexts(id).nodeTextSize(3).
alpar@1091:     run();
alpar@1073: 
alpar@1573: 
alpar@1573:   cout << "Create 'graph_to_eps_demo_out_arr.eps'" << endl;
alpar@1091:   graphToEps(g,"graph_to_eps_demo_out_arr.eps").scale(10).
alpar@1108:     title("Sample .eps figure (with arrowheads)").
alpar@1875:     copyright("(C) 2006 LEMON Project").
alpar@1091:     nodeColors(composeMap(colorSet,colors)).
alpar@1091:     coords(coords).
alpar@1073:     nodeScale(2).nodeSizes(sizes).
alpar@1086:     nodeShapes(shapes).
alpar@1073:     edgeColors(composeMap(colorSet,ecolors)).
alpar@1073:     edgeWidthScale(.4).edgeWidths(widths).
alpar@1073:     nodeTexts(id).nodeTextSize(3).
alpar@1091:     drawArrows().arrowWidth(1).arrowLength(1).
alpar@1091:     run();
alpar@1073: 
alpar@1073:   e=g.addEdge(n1,n4); ecolors[e]=2; widths[e]=1;
alpar@1073:   e=g.addEdge(n4,n1); ecolors[e]=1; widths[e]=2;
alpar@1073: 
alpar@1073:   e=g.addEdge(n1,n2); ecolors[e]=1; widths[e]=1;
alpar@1073:   e=g.addEdge(n1,n2); ecolors[e]=2; widths[e]=1;
alpar@1073:   e=g.addEdge(n1,n2); ecolors[e]=3; widths[e]=1;
alpar@1073:   e=g.addEdge(n1,n2); ecolors[e]=4; widths[e]=1;
alpar@1073:   e=g.addEdge(n1,n2); ecolors[e]=5; widths[e]=1;
alpar@1073:   e=g.addEdge(n1,n2); ecolors[e]=6; widths[e]=1;
alpar@1073:   e=g.addEdge(n1,n2); ecolors[e]=7; widths[e]=1;
alpar@1073: 
alpar@1573:   cout << "Create 'graph_to_eps_demo_out_par.eps'" << endl;
alpar@1091:   graphToEps(g,"graph_to_eps_demo_out_par.eps").scale(10).
alpar@1108:     title("Sample .eps figure (parallel edges)").
alpar@1875:     copyright("(C) 2006 LEMON Project").
alpar@1091:     nodeShapes(shapes).
alpar@1091:     coords(coords).
alpar@1073:     nodeScale(2).nodeSizes(sizes).
alpar@1073:     nodeColors(composeMap(colorSet,colors)).
alpar@1073:     edgeColors(composeMap(colorSet,ecolors)).
alpar@1073:     edgeWidthScale(.4).edgeWidths(widths).
alpar@1073:     nodeTexts(id).nodeTextSize(3).
alpar@1091:     enableParallel().parEdgeDist(1.5).
alpar@1091:     run();
alpar@1091:   
alpar@1573:   cout << "Create 'graph_to_eps_demo_out_par_arr.eps'" << endl;
alpar@1091:   graphToEps(g,"graph_to_eps_demo_out_par_arr.eps").scale(10).
alpar@1108:     title("Sample .eps figure (parallel edges and arrowheads)").
alpar@1875:     copyright("(C) 2006 LEMON Project").
alpar@1073:     nodeScale(2).nodeSizes(sizes).
alpar@1091:     coords(coords).
alpar@1086:     nodeShapes(shapes).
alpar@1073:     nodeColors(composeMap(colorSet,colors)).
alpar@1073:     edgeColors(composeMap(colorSet,ecolors)).
alpar@1073:     edgeWidthScale(.3).edgeWidths(widths).
alpar@1073:     nodeTexts(id).nodeTextSize(3).
alpar@1073:     enableParallel().parEdgeDist(1).
alpar@1091:     drawArrows().arrowWidth(1).arrowLength(1).
alpar@1103:     run();
alpar@1103: 
alpar@1573:   cout << "Create 'graph_to_eps_demo_out_a4.eps'" << endl;
alpar@1103:   graphToEps(g,"graph_to_eps_demo_out_a4.eps").scaleToA4().
alpar@1108:     title("Sample .eps figure (fits to A4)").
alpar@1875:     copyright("(C) 2006 LEMON Project").
alpar@1103:     nodeScale(2).nodeSizes(sizes).
alpar@1103:     coords(coords).
alpar@1103:     nodeShapes(shapes).
alpar@1103:     nodeColors(composeMap(colorSet,colors)).
alpar@1103:     edgeColors(composeMap(colorSet,ecolors)).
alpar@1103:     edgeWidthScale(.3).edgeWidths(widths).
alpar@1103:     nodeTexts(id).nodeTextSize(3).
alpar@1103:     enableParallel().parEdgeDist(1).
alpar@1103:     drawArrows().arrowWidth(1).arrowLength(1).
alpar@1103:     run();
alpar@1103: 
alpar@1178:   ListGraph h;
alpar@1178:   ListGraph::NodeMap<int> hcolors(h);
alpar@1178:   ListGraph::NodeMap<Xy> hcoords(h);
alpar@1178:   
alpar@1178:   int cols=int(sqrt(double(colorSet.size())));
alpar@1178:   for(int i=0;i<int(colorSet.size());i++) {
alpar@1178:     Node n=h.addNode();
alpar@1178:     hcoords[n]=Xy(i%cols,i/cols);
alpar@1178:     hcolors[n]=i;
alpar@1178:   }
alpar@1178:   
alpar@1573:   cout << "Create 'graph_to_eps_demo_out_colors.eps'" << endl;
alpar@1178:   graphToEps(h,"graph_to_eps_demo_out_colors.eps").scale(60).
alpar@1573:     title("Sample .eps figure (ColorSet demo)").
alpar@1875:     copyright("(C) 2006 LEMON Project").
alpar@1178:     coords(hcoords).
alpar@1178:     nodeScale(.45).
alpar@1178:     distantColorNodeTexts().
alpar@1178:     //    distantBWNodeTexts().
alpar@1178:     nodeTexts(hcolors).nodeTextSize(.6).
alpar@1178:     nodeColors(composeMap(colorSet,hcolors)).
alpar@1178:     run();
alpar@1178: 
alpar@1178: 
alpar@1073: }