[1073] | 1 | /* -*- C++ -*- |
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[1435] | 2 | * demo/graph_to_eps.cc - Part of LEMON, a generic C++ optimization library |
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[1073] | 3 | * |
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[1164] | 4 | * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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[1359] | 5 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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[1073] | 6 | * |
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| 7 | * Permission to use, modify and distribute this software is granted |
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| 8 | * provided that this copyright notice appears in all copies. For |
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| 9 | * precise terms see the accompanying LICENSE file. |
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| 10 | * |
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| 11 | * This software is provided "AS IS" with no warranty of any kind, |
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| 12 | * express or implied, and with no claim as to its suitability for any |
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| 13 | * purpose. |
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| 14 | * |
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| 15 | */ |
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| 16 | |
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[1573] | 17 | /// \ingroup demos |
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| 18 | /// \file |
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| 19 | /// \brief Demo of the graph grawing function \ref graphToEps() |
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| 20 | /// |
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| 21 | /// This demo program shows examples how to use the function \ref |
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| 22 | /// graphToEps(). It takes no input but simply creates six |
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[1587] | 23 | /// <tt>.eps</tt> files demonstrating the capability of \ref |
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| 24 | /// graphToEps(), and showing how to draw directed/undirected graphs, |
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| 25 | /// how to handle parallel egdes, how to change the properties (like |
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| 26 | /// color, shape, size, title etc.) of nodes and edges individually |
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[1630] | 27 | /// using appropriate \ref maps-page "graph maps". |
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[1073] | 28 | |
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[1417] | 29 | #include <cmath> |
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| 30 | |
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[1573] | 31 | #include<lemon/graph_to_eps.h> |
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| 32 | #include<lemon/list_graph.h> |
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[1073] | 33 | |
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| 34 | using namespace std; |
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| 35 | using namespace lemon; |
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| 36 | |
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| 37 | int main() |
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| 38 | { |
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[1178] | 39 | ColorSet colorSet; |
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| 40 | |
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[1073] | 41 | ListGraph g; |
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| 42 | typedef ListGraph::Node Node; |
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| 43 | typedef ListGraph::NodeIt NodeIt; |
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| 44 | typedef ListGraph::Edge Edge; |
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| 45 | typedef xy<int> Xy; |
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| 46 | |
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| 47 | Node n1=g.addNode(); |
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| 48 | Node n2=g.addNode(); |
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| 49 | Node n3=g.addNode(); |
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| 50 | Node n4=g.addNode(); |
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| 51 | Node n5=g.addNode(); |
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| 52 | |
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| 53 | ListGraph::NodeMap<Xy> coords(g); |
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| 54 | ListGraph::NodeMap<double> sizes(g); |
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| 55 | ListGraph::NodeMap<int> colors(g); |
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[1086] | 56 | ListGraph::NodeMap<int> shapes(g); |
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[1073] | 57 | ListGraph::EdgeMap<int> ecolors(g); |
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| 58 | ListGraph::EdgeMap<int> widths(g); |
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| 59 | |
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[1086] | 60 | coords[n1]=Xy(50,50); sizes[n1]=1; colors[n1]=1; shapes[n1]=0; |
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[1088] | 61 | coords[n2]=Xy(50,70); sizes[n2]=2; colors[n2]=2; shapes[n2]=2; |
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[1086] | 62 | coords[n3]=Xy(70,70); sizes[n3]=1; colors[n3]=3; shapes[n3]=0; |
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| 63 | coords[n4]=Xy(70,50); sizes[n4]=2; colors[n4]=4; shapes[n4]=1; |
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[1088] | 64 | coords[n5]=Xy(85,60); sizes[n5]=3; colors[n5]=5; shapes[n5]=2; |
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[1073] | 65 | |
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| 66 | Edge e; |
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| 67 | |
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| 68 | e=g.addEdge(n1,n2); ecolors[e]=0; widths[e]=1; |
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| 69 | e=g.addEdge(n2,n3); ecolors[e]=0; widths[e]=1; |
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| 70 | e=g.addEdge(n3,n5); ecolors[e]=0; widths[e]=3; |
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| 71 | e=g.addEdge(n5,n4); ecolors[e]=0; widths[e]=1; |
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| 72 | e=g.addEdge(n4,n1); ecolors[e]=0; widths[e]=1; |
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| 73 | e=g.addEdge(n2,n4); ecolors[e]=1; widths[e]=2; |
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| 74 | e=g.addEdge(n3,n4); ecolors[e]=2; widths[e]=1; |
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| 75 | |
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[1268] | 76 | IdMap<ListGraph,Node> id(g); |
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[1073] | 77 | |
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[1573] | 78 | cout << "Create 'graph_to_eps_demo_out.eps'" << endl; |
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[1073] | 79 | graphToEps(g,"graph_to_eps_demo_out.eps").scale(10).coords(coords). |
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[1108] | 80 | title("Sample .eps figure"). |
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[1164] | 81 | copyright("(C) 2005 LEMON Project"). |
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[1073] | 82 | nodeScale(2).nodeSizes(sizes). |
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[1086] | 83 | nodeShapes(shapes). |
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[1073] | 84 | nodeColors(composeMap(colorSet,colors)). |
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| 85 | edgeColors(composeMap(colorSet,ecolors)). |
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| 86 | edgeWidthScale(.4).edgeWidths(widths). |
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[1091] | 87 | nodeTexts(id).nodeTextSize(3). |
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| 88 | run(); |
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[1073] | 89 | |
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[1573] | 90 | |
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| 91 | cout << "Create 'graph_to_eps_demo_out_arr.eps'" << endl; |
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[1091] | 92 | graphToEps(g,"graph_to_eps_demo_out_arr.eps").scale(10). |
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[1108] | 93 | title("Sample .eps figure (with arrowheads)"). |
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[1164] | 94 | copyright("(C) 2005 LEMON Project"). |
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[1091] | 95 | nodeColors(composeMap(colorSet,colors)). |
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| 96 | coords(coords). |
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[1073] | 97 | nodeScale(2).nodeSizes(sizes). |
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[1086] | 98 | nodeShapes(shapes). |
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[1073] | 99 | edgeColors(composeMap(colorSet,ecolors)). |
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| 100 | edgeWidthScale(.4).edgeWidths(widths). |
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| 101 | nodeTexts(id).nodeTextSize(3). |
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[1091] | 102 | drawArrows().arrowWidth(1).arrowLength(1). |
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| 103 | run(); |
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[1073] | 104 | |
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| 105 | e=g.addEdge(n1,n4); ecolors[e]=2; widths[e]=1; |
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| 106 | e=g.addEdge(n4,n1); ecolors[e]=1; widths[e]=2; |
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| 107 | |
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| 108 | e=g.addEdge(n1,n2); ecolors[e]=1; widths[e]=1; |
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| 109 | e=g.addEdge(n1,n2); ecolors[e]=2; widths[e]=1; |
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| 110 | e=g.addEdge(n1,n2); ecolors[e]=3; widths[e]=1; |
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| 111 | e=g.addEdge(n1,n2); ecolors[e]=4; widths[e]=1; |
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| 112 | e=g.addEdge(n1,n2); ecolors[e]=5; widths[e]=1; |
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| 113 | e=g.addEdge(n1,n2); ecolors[e]=6; widths[e]=1; |
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| 114 | e=g.addEdge(n1,n2); ecolors[e]=7; widths[e]=1; |
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| 115 | |
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[1573] | 116 | cout << "Create 'graph_to_eps_demo_out_par.eps'" << endl; |
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[1091] | 117 | graphToEps(g,"graph_to_eps_demo_out_par.eps").scale(10). |
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[1108] | 118 | title("Sample .eps figure (parallel edges)"). |
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[1164] | 119 | copyright("(C) 2005 LEMON Project"). |
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[1091] | 120 | nodeShapes(shapes). |
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| 121 | coords(coords). |
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[1073] | 122 | nodeScale(2).nodeSizes(sizes). |
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| 123 | nodeColors(composeMap(colorSet,colors)). |
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| 124 | edgeColors(composeMap(colorSet,ecolors)). |
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| 125 | edgeWidthScale(.4).edgeWidths(widths). |
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| 126 | nodeTexts(id).nodeTextSize(3). |
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[1091] | 127 | enableParallel().parEdgeDist(1.5). |
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| 128 | run(); |
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| 129 | |
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[1573] | 130 | cout << "Create 'graph_to_eps_demo_out_par_arr.eps'" << endl; |
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[1091] | 131 | graphToEps(g,"graph_to_eps_demo_out_par_arr.eps").scale(10). |
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[1108] | 132 | title("Sample .eps figure (parallel edges and arrowheads)"). |
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[1164] | 133 | copyright("(C) 2005 LEMON Project"). |
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[1073] | 134 | nodeScale(2).nodeSizes(sizes). |
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[1091] | 135 | coords(coords). |
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[1086] | 136 | nodeShapes(shapes). |
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[1073] | 137 | nodeColors(composeMap(colorSet,colors)). |
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| 138 | edgeColors(composeMap(colorSet,ecolors)). |
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| 139 | edgeWidthScale(.3).edgeWidths(widths). |
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| 140 | nodeTexts(id).nodeTextSize(3). |
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| 141 | enableParallel().parEdgeDist(1). |
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[1091] | 142 | drawArrows().arrowWidth(1).arrowLength(1). |
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[1103] | 143 | run(); |
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| 144 | |
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[1573] | 145 | cout << "Create 'graph_to_eps_demo_out_a4.eps'" << endl; |
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[1103] | 146 | graphToEps(g,"graph_to_eps_demo_out_a4.eps").scaleToA4(). |
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[1108] | 147 | title("Sample .eps figure (fits to A4)"). |
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[1164] | 148 | copyright("(C) 2005 LEMON Project"). |
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[1103] | 149 | nodeScale(2).nodeSizes(sizes). |
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| 150 | coords(coords). |
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| 151 | nodeShapes(shapes). |
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| 152 | nodeColors(composeMap(colorSet,colors)). |
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| 153 | edgeColors(composeMap(colorSet,ecolors)). |
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| 154 | edgeWidthScale(.3).edgeWidths(widths). |
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| 155 | nodeTexts(id).nodeTextSize(3). |
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| 156 | enableParallel().parEdgeDist(1). |
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| 157 | drawArrows().arrowWidth(1).arrowLength(1). |
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| 158 | run(); |
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| 159 | |
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[1178] | 160 | ListGraph h; |
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| 161 | ListGraph::NodeMap<int> hcolors(h); |
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| 162 | ListGraph::NodeMap<Xy> hcoords(h); |
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| 163 | |
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| 164 | int cols=int(sqrt(double(colorSet.size()))); |
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| 165 | for(int i=0;i<int(colorSet.size());i++) { |
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| 166 | Node n=h.addNode(); |
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| 167 | hcoords[n]=Xy(i%cols,i/cols); |
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| 168 | hcolors[n]=i; |
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| 169 | } |
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| 170 | |
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[1573] | 171 | cout << "Create 'graph_to_eps_demo_out_colors.eps'" << endl; |
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[1178] | 172 | graphToEps(h,"graph_to_eps_demo_out_colors.eps").scale(60). |
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[1573] | 173 | title("Sample .eps figure (ColorSet demo)"). |
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[1178] | 174 | copyright("(C) 2005 LEMON Project"). |
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| 175 | coords(hcoords). |
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| 176 | nodeScale(.45). |
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| 177 | distantColorNodeTexts(). |
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| 178 | // distantBWNodeTexts(). |
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| 179 | nodeTexts(hcolors).nodeTextSize(.6). |
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| 180 | nodeColors(composeMap(colorSet,hcolors)). |
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| 181 | run(); |
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| 182 | |
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| 183 | |
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[1073] | 184 | } |
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