[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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[1875] | 4 | * Copyright (C) 2006 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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[1641] | 28 | /// |
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| 29 | /// \include graph_to_eps_demo.cc |
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[1073] | 30 | |
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[1417] | 31 | #include <cmath> |
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| 32 | |
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[1573] | 33 | #include<lemon/graph_to_eps.h> |
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| 34 | #include<lemon/list_graph.h> |
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[1802] | 35 | #include<lemon/graph_utils.h> |
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[1073] | 36 | |
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| 37 | using namespace std; |
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| 38 | using namespace lemon; |
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| 39 | |
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| 40 | int main() |
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| 41 | { |
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[1178] | 42 | ColorSet colorSet; |
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| 43 | |
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[1073] | 44 | ListGraph g; |
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| 45 | typedef ListGraph::Node Node; |
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| 46 | typedef ListGraph::NodeIt NodeIt; |
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| 47 | typedef ListGraph::Edge Edge; |
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| 48 | typedef xy<int> Xy; |
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| 49 | |
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| 50 | Node n1=g.addNode(); |
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| 51 | Node n2=g.addNode(); |
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| 52 | Node n3=g.addNode(); |
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| 53 | Node n4=g.addNode(); |
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| 54 | Node n5=g.addNode(); |
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| 55 | |
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| 56 | ListGraph::NodeMap<Xy> coords(g); |
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| 57 | ListGraph::NodeMap<double> sizes(g); |
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| 58 | ListGraph::NodeMap<int> colors(g); |
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[1086] | 59 | ListGraph::NodeMap<int> shapes(g); |
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[1073] | 60 | ListGraph::EdgeMap<int> ecolors(g); |
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| 61 | ListGraph::EdgeMap<int> widths(g); |
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| 62 | |
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[1086] | 63 | coords[n1]=Xy(50,50); sizes[n1]=1; colors[n1]=1; shapes[n1]=0; |
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[1088] | 64 | coords[n2]=Xy(50,70); sizes[n2]=2; colors[n2]=2; shapes[n2]=2; |
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[1086] | 65 | coords[n3]=Xy(70,70); sizes[n3]=1; colors[n3]=3; shapes[n3]=0; |
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| 66 | coords[n4]=Xy(70,50); sizes[n4]=2; colors[n4]=4; shapes[n4]=1; |
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[1088] | 67 | coords[n5]=Xy(85,60); sizes[n5]=3; colors[n5]=5; shapes[n5]=2; |
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[1073] | 68 | |
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| 69 | Edge e; |
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| 70 | |
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| 71 | e=g.addEdge(n1,n2); ecolors[e]=0; widths[e]=1; |
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| 72 | e=g.addEdge(n2,n3); ecolors[e]=0; widths[e]=1; |
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| 73 | e=g.addEdge(n3,n5); ecolors[e]=0; widths[e]=3; |
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| 74 | e=g.addEdge(n5,n4); ecolors[e]=0; widths[e]=1; |
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| 75 | e=g.addEdge(n4,n1); ecolors[e]=0; widths[e]=1; |
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| 76 | e=g.addEdge(n2,n4); ecolors[e]=1; widths[e]=2; |
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| 77 | e=g.addEdge(n3,n4); ecolors[e]=2; widths[e]=1; |
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| 78 | |
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[1268] | 79 | IdMap<ListGraph,Node> id(g); |
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[1073] | 80 | |
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[1573] | 81 | cout << "Create 'graph_to_eps_demo_out.eps'" << endl; |
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[1930] | 82 | graphToEps(g,"graph_to_eps_demo_out.eps"). |
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| 83 | //scale(10). |
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| 84 | coords(coords). |
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[1108] | 85 | title("Sample .eps figure"). |
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[1875] | 86 | copyright("(C) 2006 LEMON Project"). |
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[1073] | 87 | nodeScale(2).nodeSizes(sizes). |
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[1086] | 88 | nodeShapes(shapes). |
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[1073] | 89 | nodeColors(composeMap(colorSet,colors)). |
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| 90 | edgeColors(composeMap(colorSet,ecolors)). |
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| 91 | edgeWidthScale(.4).edgeWidths(widths). |
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[1091] | 92 | nodeTexts(id).nodeTextSize(3). |
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| 93 | run(); |
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[1073] | 94 | |
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[1573] | 95 | |
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| 96 | cout << "Create 'graph_to_eps_demo_out_arr.eps'" << endl; |
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[1930] | 97 | graphToEps(g,"graph_to_eps_demo_out_arr.eps"). |
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| 98 | //scale(10). |
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[1108] | 99 | title("Sample .eps figure (with arrowheads)"). |
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[1875] | 100 | copyright("(C) 2006 LEMON Project"). |
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[1091] | 101 | nodeColors(composeMap(colorSet,colors)). |
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| 102 | coords(coords). |
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[1073] | 103 | nodeScale(2).nodeSizes(sizes). |
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[1086] | 104 | nodeShapes(shapes). |
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[1073] | 105 | edgeColors(composeMap(colorSet,ecolors)). |
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| 106 | edgeWidthScale(.4).edgeWidths(widths). |
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| 107 | nodeTexts(id).nodeTextSize(3). |
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[1091] | 108 | drawArrows().arrowWidth(1).arrowLength(1). |
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| 109 | run(); |
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[1073] | 110 | |
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| 111 | e=g.addEdge(n1,n4); ecolors[e]=2; widths[e]=1; |
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| 112 | e=g.addEdge(n4,n1); ecolors[e]=1; widths[e]=2; |
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| 113 | |
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| 114 | e=g.addEdge(n1,n2); ecolors[e]=1; widths[e]=1; |
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| 115 | e=g.addEdge(n1,n2); ecolors[e]=2; widths[e]=1; |
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| 116 | e=g.addEdge(n1,n2); ecolors[e]=3; widths[e]=1; |
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| 117 | e=g.addEdge(n1,n2); ecolors[e]=4; widths[e]=1; |
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| 118 | e=g.addEdge(n1,n2); ecolors[e]=5; widths[e]=1; |
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| 119 | e=g.addEdge(n1,n2); ecolors[e]=6; widths[e]=1; |
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| 120 | e=g.addEdge(n1,n2); ecolors[e]=7; widths[e]=1; |
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| 121 | |
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[1573] | 122 | cout << "Create 'graph_to_eps_demo_out_par.eps'" << endl; |
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[1930] | 123 | graphToEps(g,"graph_to_eps_demo_out_par.eps"). |
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| 124 | //scale(10). |
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[1108] | 125 | title("Sample .eps figure (parallel edges)"). |
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[1875] | 126 | copyright("(C) 2006 LEMON Project"). |
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[1091] | 127 | nodeShapes(shapes). |
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| 128 | coords(coords). |
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[1073] | 129 | nodeScale(2).nodeSizes(sizes). |
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| 130 | nodeColors(composeMap(colorSet,colors)). |
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| 131 | edgeColors(composeMap(colorSet,ecolors)). |
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| 132 | edgeWidthScale(.4).edgeWidths(widths). |
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| 133 | nodeTexts(id).nodeTextSize(3). |
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[1091] | 134 | enableParallel().parEdgeDist(1.5). |
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| 135 | run(); |
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| 136 | |
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[1573] | 137 | cout << "Create 'graph_to_eps_demo_out_par_arr.eps'" << endl; |
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[1930] | 138 | graphToEps(g,"graph_to_eps_demo_out_par_arr.eps"). |
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| 139 | //scale(10). |
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[1108] | 140 | title("Sample .eps figure (parallel edges and arrowheads)"). |
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[1875] | 141 | copyright("(C) 2006 LEMON Project"). |
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[1073] | 142 | nodeScale(2).nodeSizes(sizes). |
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[1091] | 143 | coords(coords). |
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[1086] | 144 | nodeShapes(shapes). |
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[1073] | 145 | nodeColors(composeMap(colorSet,colors)). |
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| 146 | edgeColors(composeMap(colorSet,ecolors)). |
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| 147 | edgeWidthScale(.3).edgeWidths(widths). |
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| 148 | nodeTexts(id).nodeTextSize(3). |
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| 149 | enableParallel().parEdgeDist(1). |
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[1091] | 150 | drawArrows().arrowWidth(1).arrowLength(1). |
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[1103] | 151 | run(); |
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| 152 | |
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[1573] | 153 | cout << "Create 'graph_to_eps_demo_out_a4.eps'" << endl; |
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[1103] | 154 | graphToEps(g,"graph_to_eps_demo_out_a4.eps").scaleToA4(). |
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[1108] | 155 | title("Sample .eps figure (fits to A4)"). |
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[1875] | 156 | copyright("(C) 2006 LEMON Project"). |
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[1103] | 157 | nodeScale(2).nodeSizes(sizes). |
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| 158 | coords(coords). |
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| 159 | nodeShapes(shapes). |
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| 160 | nodeColors(composeMap(colorSet,colors)). |
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| 161 | edgeColors(composeMap(colorSet,ecolors)). |
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| 162 | edgeWidthScale(.3).edgeWidths(widths). |
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| 163 | nodeTexts(id).nodeTextSize(3). |
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| 164 | enableParallel().parEdgeDist(1). |
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| 165 | drawArrows().arrowWidth(1).arrowLength(1). |
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| 166 | run(); |
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| 167 | |
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[1178] | 168 | ListGraph h; |
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| 169 | ListGraph::NodeMap<int> hcolors(h); |
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| 170 | ListGraph::NodeMap<Xy> hcoords(h); |
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| 171 | |
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| 172 | int cols=int(sqrt(double(colorSet.size()))); |
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| 173 | for(int i=0;i<int(colorSet.size());i++) { |
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| 174 | Node n=h.addNode(); |
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| 175 | hcoords[n]=Xy(i%cols,i/cols); |
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| 176 | hcolors[n]=i; |
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| 177 | } |
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| 178 | |
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[1573] | 179 | cout << "Create 'graph_to_eps_demo_out_colors.eps'" << endl; |
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[1930] | 180 | graphToEps(h,"graph_to_eps_demo_out_colors.eps"). |
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| 181 | //scale(60). |
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[1573] | 182 | title("Sample .eps figure (ColorSet demo)"). |
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[1875] | 183 | copyright("(C) 2006 LEMON Project"). |
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[1178] | 184 | coords(hcoords). |
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| 185 | nodeScale(.45). |
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| 186 | distantColorNodeTexts(). |
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| 187 | // distantBWNodeTexts(). |
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| 188 | nodeTexts(hcolors).nodeTextSize(.6). |
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| 189 | nodeColors(composeMap(colorSet,hcolors)). |
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| 190 | run(); |
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| 191 | |
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| 192 | |
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[1073] | 193 | } |
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