[128] | 1 | /* -*- C++ -*- |
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| 2 | * |
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| 3 | * This file is a part of LEMON, a generic C++ optimization library |
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| 4 | * |
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| 5 | * Copyright (C) 2003-2008 |
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| 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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| 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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| 8 | * |
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| 9 | * Permission to use, modify and distribute this software is granted |
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| 10 | * provided that this copyright notice appears in all copies. For |
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| 11 | * precise terms see the accompanying LICENSE file. |
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| 12 | * |
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| 13 | * This software is provided "AS IS" with no warranty of any kind, |
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| 14 | * express or implied, and with no claim as to its suitability for any |
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| 15 | * purpose. |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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| 19 | /// \ingroup demos |
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| 20 | /// \file |
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| 21 | /// \brief Demo of the graph grawing function \ref graphToEps() |
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| 22 | /// |
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| 23 | /// This demo program shows examples how to use the function \ref |
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| 24 | /// graphToEps(). It takes no input but simply creates six |
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| 25 | /// <tt>.eps</tt> files demonstrating the capability of \ref |
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| 26 | /// graphToEps(), and showing how to draw directed/graphs, |
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| 27 | /// how to handle parallel egdes, how to change the properties (like |
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| 28 | /// color, shape, size, title etc.) of nodes and arcs individually |
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| 29 | /// using appropriate \ref maps-page "graph maps". |
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| 30 | /// |
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| 31 | /// \include graph_to_eps_demo.cc |
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| 32 | |
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| 33 | #include <lemon/math.h> |
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| 34 | |
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| 35 | #include<lemon/graph_to_eps.h> |
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| 36 | #include<lemon/list_graph.h> |
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| 37 | #include<lemon/graph_utils.h> |
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| 38 | |
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| 39 | using namespace std; |
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| 40 | using namespace lemon; |
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| 41 | |
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| 42 | int main() |
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| 43 | { |
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| 44 | Palette palette; |
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[129] | 45 | Palette paletteW(true); |
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[128] | 46 | |
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| 47 | ListDigraph g; |
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| 48 | typedef ListDigraph::Node Node; |
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| 49 | typedef ListDigraph::NodeIt NodeIt; |
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| 50 | typedef ListDigraph::Arc Arc; |
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| 51 | typedef dim2::Point<int> Point; |
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| 52 | |
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| 53 | Node n1=g.addNode(); |
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| 54 | Node n2=g.addNode(); |
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| 55 | Node n3=g.addNode(); |
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| 56 | Node n4=g.addNode(); |
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| 57 | Node n5=g.addNode(); |
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| 58 | |
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| 59 | ListDigraph::NodeMap<Point> coords(g); |
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| 60 | ListDigraph::NodeMap<double> sizes(g); |
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| 61 | ListDigraph::NodeMap<int> colors(g); |
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| 62 | ListDigraph::NodeMap<int> shapes(g); |
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| 63 | ListDigraph::ArcMap<int> ecolors(g); |
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| 64 | ListDigraph::ArcMap<int> widths(g); |
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| 65 | |
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| 66 | coords[n1]=Point(50,50); sizes[n1]=1; colors[n1]=1; shapes[n1]=0; |
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| 67 | coords[n2]=Point(50,70); sizes[n2]=2; colors[n2]=2; shapes[n2]=2; |
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| 68 | coords[n3]=Point(70,70); sizes[n3]=1; colors[n3]=3; shapes[n3]=0; |
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| 69 | coords[n4]=Point(70,50); sizes[n4]=2; colors[n4]=4; shapes[n4]=1; |
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| 70 | coords[n5]=Point(85,60); sizes[n5]=3; colors[n5]=5; shapes[n5]=2; |
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| 71 | |
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| 72 | Arc e; |
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| 73 | |
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| 74 | e=g.addArc(n1,n2); ecolors[e]=0; widths[e]=1; |
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| 75 | e=g.addArc(n2,n3); ecolors[e]=0; widths[e]=1; |
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| 76 | e=g.addArc(n3,n5); ecolors[e]=0; widths[e]=3; |
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| 77 | e=g.addArc(n5,n4); ecolors[e]=0; widths[e]=1; |
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| 78 | e=g.addArc(n4,n1); ecolors[e]=0; widths[e]=1; |
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| 79 | e=g.addArc(n2,n4); ecolors[e]=1; widths[e]=2; |
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| 80 | e=g.addArc(n3,n4); ecolors[e]=2; widths[e]=1; |
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| 81 | |
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| 82 | IdMap<ListDigraph,Node> id(g); |
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| 83 | |
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| 84 | cout << "Create 'graph_to_eps_demo_out_pure.eps'" << endl; |
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| 85 | graphToEps(g,"graph_to_eps_demo_out_pure.eps"). |
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| 86 | //scale(10). |
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| 87 | coords(coords). |
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| 88 | title("Sample .eps figure"). |
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| 89 | copyright("(C) 2003-2007 LEMON Project"). |
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| 90 | run(); |
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| 91 | |
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| 92 | cout << "Create 'graph_to_eps_demo_out.eps'" << endl; |
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| 93 | graphToEps(g,"graph_to_eps_demo_out.eps"). |
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| 94 | //scale(10). |
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| 95 | coords(coords). |
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| 96 | title("Sample .eps figure"). |
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| 97 | copyright("(C) 2003-2007 LEMON Project"). |
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| 98 | absoluteNodeSizes().absoluteArcWidths(). |
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| 99 | nodeScale(2).nodeSizes(sizes). |
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| 100 | nodeShapes(shapes). |
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| 101 | nodeColors(composeMap(palette,colors)). |
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| 102 | arcColors(composeMap(palette,ecolors)). |
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| 103 | arcWidthScale(.4).arcWidths(widths). |
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| 104 | nodeTexts(id).nodeTextSize(3). |
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| 105 | run(); |
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| 106 | |
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| 107 | |
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| 108 | cout << "Create 'graph_to_eps_demo_out_arr.eps'" << endl; |
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| 109 | graphToEps(g,"graph_to_eps_demo_out_arr.eps"). |
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| 110 | //scale(10). |
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| 111 | title("Sample .eps figure (with arrowheads)"). |
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| 112 | copyright("(C) 2003-2007 LEMON Project"). |
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| 113 | absoluteNodeSizes().absoluteArcWidths(). |
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| 114 | nodeColors(composeMap(palette,colors)). |
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| 115 | coords(coords). |
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| 116 | nodeScale(2).nodeSizes(sizes). |
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| 117 | nodeShapes(shapes). |
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| 118 | arcColors(composeMap(palette,ecolors)). |
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| 119 | arcWidthScale(.4).arcWidths(widths). |
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| 120 | nodeTexts(id).nodeTextSize(3). |
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| 121 | drawArrows().arrowWidth(1).arrowLength(1). |
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| 122 | run(); |
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| 123 | |
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| 124 | e=g.addArc(n1,n4); ecolors[e]=2; widths[e]=1; |
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| 125 | e=g.addArc(n4,n1); ecolors[e]=1; widths[e]=2; |
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| 126 | |
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| 127 | e=g.addArc(n1,n2); ecolors[e]=1; widths[e]=1; |
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| 128 | e=g.addArc(n1,n2); ecolors[e]=2; widths[e]=1; |
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| 129 | e=g.addArc(n1,n2); ecolors[e]=3; widths[e]=1; |
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| 130 | e=g.addArc(n1,n2); ecolors[e]=4; widths[e]=1; |
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| 131 | e=g.addArc(n1,n2); ecolors[e]=5; widths[e]=1; |
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| 132 | e=g.addArc(n1,n2); ecolors[e]=6; widths[e]=1; |
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| 133 | e=g.addArc(n1,n2); ecolors[e]=7; widths[e]=1; |
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| 134 | |
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| 135 | cout << "Create 'graph_to_eps_demo_out_par.eps'" << endl; |
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| 136 | graphToEps(g,"graph_to_eps_demo_out_par.eps"). |
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| 137 | //scale(10). |
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| 138 | title("Sample .eps figure (parallel arcs)"). |
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| 139 | copyright("(C) 2003-2007 LEMON Project"). |
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| 140 | absoluteNodeSizes().absoluteArcWidths(). |
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| 141 | nodeShapes(shapes). |
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| 142 | coords(coords). |
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| 143 | nodeScale(2).nodeSizes(sizes). |
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| 144 | nodeColors(composeMap(palette,colors)). |
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| 145 | arcColors(composeMap(palette,ecolors)). |
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| 146 | arcWidthScale(.4).arcWidths(widths). |
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| 147 | nodeTexts(id).nodeTextSize(3). |
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| 148 | enableParallel().parArcDist(1.5). |
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| 149 | run(); |
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| 150 | |
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| 151 | cout << "Create 'graph_to_eps_demo_out_par_arr.eps'" << endl; |
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| 152 | graphToEps(g,"graph_to_eps_demo_out_par_arr.eps"). |
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| 153 | //scale(10). |
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| 154 | title("Sample .eps figure (parallel arcs and arrowheads)"). |
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| 155 | copyright("(C) 2003-2007 LEMON Project"). |
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| 156 | absoluteNodeSizes().absoluteArcWidths(). |
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| 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(palette,colors)). |
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| 161 | arcColors(composeMap(palette,ecolors)). |
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| 162 | arcWidthScale(.3).arcWidths(widths). |
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| 163 | nodeTexts(id).nodeTextSize(3). |
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| 164 | enableParallel().parArcDist(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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| 168 | cout << "Create 'graph_to_eps_demo_out_a4.eps'" << endl; |
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| 169 | graphToEps(g,"graph_to_eps_demo_out_a4.eps").scaleToA4(). |
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| 170 | title("Sample .eps figure (fits to A4)"). |
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| 171 | copyright("(C) 2003-2007 LEMON Project"). |
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| 172 | absoluteNodeSizes().absoluteArcWidths(). |
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| 173 | nodeScale(2).nodeSizes(sizes). |
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| 174 | coords(coords). |
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| 175 | nodeShapes(shapes). |
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| 176 | nodeColors(composeMap(palette,colors)). |
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| 177 | arcColors(composeMap(palette,ecolors)). |
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| 178 | arcWidthScale(.3).arcWidths(widths). |
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| 179 | nodeTexts(id).nodeTextSize(3). |
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| 180 | enableParallel().parArcDist(1). |
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| 181 | drawArrows().arrowWidth(1).arrowLength(1). |
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| 182 | run(); |
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| 183 | |
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| 184 | ListDigraph h; |
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| 185 | ListDigraph::NodeMap<int> hcolors(h); |
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| 186 | ListDigraph::NodeMap<Point> hcoords(h); |
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| 187 | |
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| 188 | int cols=int(sqrt(double(palette.size()))); |
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| 189 | for(int i=0;i<int(paletteW.size());i++) { |
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| 190 | Node n=h.addNode(); |
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| 191 | hcoords[n]=Point(i%cols,i/cols); |
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| 192 | hcolors[n]=i; |
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| 193 | } |
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| 194 | |
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| 195 | cout << "Create 'graph_to_eps_demo_out_colors.eps'" << endl; |
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| 196 | graphToEps(h,"graph_to_eps_demo_out_colors.eps"). |
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| 197 | //scale(60). |
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| 198 | title("Sample .eps figure (Palette demo)"). |
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| 199 | copyright("(C) 2003-2007 LEMON Project"). |
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| 200 | coords(hcoords). |
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| 201 | absoluteNodeSizes().absoluteArcWidths(). |
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[132] | 202 | nodeScale(.45). |
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[128] | 203 | distantColorNodeTexts(). |
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| 204 | // distantBWNodeTexts(). |
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| 205 | nodeTexts(hcolors).nodeTextSize(.6). |
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| 206 | nodeColors(composeMap(paletteW,hcolors)). |
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| 207 | run(); |
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| 208 | } |
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