[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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[206] | 21 | /// \brief Demo of the graph drawing function \ref graphToEps() |
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[128] | 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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[206] | 26 | /// graphToEps(), and showing how to draw directed graphs, |
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[128] | 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/list_graph.h> |
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| 34 | #include<lemon/graph_utils.h> |
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[206] | 35 | #include<lemon/graph_to_eps.h> |
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| 36 | #include<lemon/math.h> |
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[128] | 37 | |
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| 38 | using namespace std; |
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| 39 | using namespace lemon; |
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| 40 | |
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| 41 | int main() |
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| 42 | { |
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| 43 | Palette palette; |
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[129] | 44 | Palette paletteW(true); |
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[128] | 45 | |
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[206] | 46 | // Create a small digraph |
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[128] | 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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[206] | 63 | ListDigraph::ArcMap<int> acolors(g); |
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[128] | 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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[206] | 72 | Arc a; |
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[128] | 73 | |
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[206] | 74 | a=g.addArc(n1,n2); acolors[a]=0; widths[a]=1; |
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| 75 | a=g.addArc(n2,n3); acolors[a]=0; widths[a]=1; |
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| 76 | a=g.addArc(n3,n5); acolors[a]=0; widths[a]=3; |
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| 77 | a=g.addArc(n5,n4); acolors[a]=0; widths[a]=1; |
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| 78 | a=g.addArc(n4,n1); acolors[a]=0; widths[a]=1; |
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| 79 | a=g.addArc(n2,n4); acolors[a]=1; widths[a]=2; |
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| 80 | a=g.addArc(n3,n4); acolors[a]=2; widths[a]=1; |
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[128] | 81 | |
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| 82 | IdMap<ListDigraph,Node> id(g); |
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| 83 | |
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[206] | 84 | // Create five .eps files showing the digraph with different options |
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| 85 | cout << "Create 'graph_to_eps_demo_out_1_pure.eps'" << endl; |
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| 86 | graphToEps(g,"graph_to_eps_demo_out_1_pure.eps"). |
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[128] | 87 | coords(coords). |
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| 88 | title("Sample .eps figure"). |
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[206] | 89 | copyright("(C) 2003-2008 LEMON Project"). |
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[128] | 90 | run(); |
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| 91 | |
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[206] | 92 | cout << "Create 'graph_to_eps_demo_out_2.eps'" << endl; |
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| 93 | graphToEps(g,"graph_to_eps_demo_out_2.eps"). |
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[128] | 94 | coords(coords). |
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| 95 | title("Sample .eps figure"). |
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[206] | 96 | copyright("(C) 2003-2008 LEMON Project"). |
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[128] | 97 | absoluteNodeSizes().absoluteArcWidths(). |
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| 98 | nodeScale(2).nodeSizes(sizes). |
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| 99 | nodeShapes(shapes). |
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| 100 | nodeColors(composeMap(palette,colors)). |
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[206] | 101 | arcColors(composeMap(palette,acolors)). |
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[128] | 102 | arcWidthScale(.4).arcWidths(widths). |
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| 103 | nodeTexts(id).nodeTextSize(3). |
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| 104 | run(); |
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| 105 | |
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[206] | 106 | cout << "Create 'graph_to_eps_demo_out_3_arr.eps'" << endl; |
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| 107 | graphToEps(g,"graph_to_eps_demo_out_3_arr.eps"). |
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[128] | 108 | title("Sample .eps figure (with arrowheads)"). |
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[206] | 109 | copyright("(C) 2003-2008 LEMON Project"). |
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[128] | 110 | absoluteNodeSizes().absoluteArcWidths(). |
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| 111 | nodeColors(composeMap(palette,colors)). |
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| 112 | coords(coords). |
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| 113 | nodeScale(2).nodeSizes(sizes). |
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| 114 | nodeShapes(shapes). |
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[206] | 115 | arcColors(composeMap(palette,acolors)). |
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[128] | 116 | arcWidthScale(.4).arcWidths(widths). |
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| 117 | nodeTexts(id).nodeTextSize(3). |
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[206] | 118 | drawArrows().arrowWidth(2).arrowLength(2). |
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[128] | 119 | run(); |
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| 120 | |
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[206] | 121 | a=g.addArc(n1,n4); acolors[a]=2; widths[a]=1; |
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| 122 | a=g.addArc(n4,n1); acolors[a]=1; widths[a]=2; |
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[128] | 123 | |
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[206] | 124 | a=g.addArc(n1,n2); acolors[a]=1; widths[a]=1; |
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| 125 | a=g.addArc(n1,n2); acolors[a]=2; widths[a]=1; |
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| 126 | a=g.addArc(n1,n2); acolors[a]=3; widths[a]=1; |
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| 127 | a=g.addArc(n1,n2); acolors[a]=4; widths[a]=1; |
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| 128 | a=g.addArc(n1,n2); acolors[a]=5; widths[a]=1; |
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| 129 | a=g.addArc(n1,n2); acolors[a]=6; widths[a]=1; |
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| 130 | a=g.addArc(n1,n2); acolors[a]=7; widths[a]=1; |
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[128] | 131 | |
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| 132 | cout << "Create 'graph_to_eps_demo_out_par.eps'" << endl; |
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| 133 | graphToEps(g,"graph_to_eps_demo_out_par.eps"). |
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| 134 | //scale(10). |
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| 135 | title("Sample .eps figure (parallel arcs)"). |
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[206] | 136 | copyright("(C) 2003-2008 LEMON Project"). |
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[128] | 137 | absoluteNodeSizes().absoluteArcWidths(). |
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| 138 | nodeShapes(shapes). |
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| 139 | coords(coords). |
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| 140 | nodeScale(2).nodeSizes(sizes). |
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| 141 | nodeColors(composeMap(palette,colors)). |
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[206] | 142 | arcColors(composeMap(palette,acolors)). |
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[128] | 143 | arcWidthScale(.4).arcWidths(widths). |
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| 144 | nodeTexts(id).nodeTextSize(3). |
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| 145 | enableParallel().parArcDist(1.5). |
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| 146 | run(); |
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[206] | 147 | |
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| 148 | cout << "Create 'graph_to_eps_demo_out_4_par_arr.eps'" << endl; |
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| 149 | graphToEps(g,"graph_to_eps_demo_out_4_par_arr.eps"). |
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[128] | 150 | title("Sample .eps figure (parallel arcs and arrowheads)"). |
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[206] | 151 | copyright("(C) 2003-2008 LEMON Project"). |
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[128] | 152 | absoluteNodeSizes().absoluteArcWidths(). |
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| 153 | nodeScale(2).nodeSizes(sizes). |
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| 154 | coords(coords). |
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| 155 | nodeShapes(shapes). |
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| 156 | nodeColors(composeMap(palette,colors)). |
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[206] | 157 | arcColors(composeMap(palette,acolors)). |
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[128] | 158 | arcWidthScale(.3).arcWidths(widths). |
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| 159 | nodeTexts(id).nodeTextSize(3). |
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| 160 | enableParallel().parArcDist(1). |
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| 161 | drawArrows().arrowWidth(1).arrowLength(1). |
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| 162 | run(); |
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| 163 | |
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[206] | 164 | cout << "Create 'graph_to_eps_demo_out_5_par_arr_a4.eps'" << endl; |
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| 165 | graphToEps(g,"graph_to_eps_demo_out_5_par_arr_a4.eps"). |
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[128] | 166 | title("Sample .eps figure (fits to A4)"). |
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[206] | 167 | copyright("(C) 2003-2008 LEMON Project"). |
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| 168 | scaleToA4(). |
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[128] | 169 | absoluteNodeSizes().absoluteArcWidths(). |
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| 170 | nodeScale(2).nodeSizes(sizes). |
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| 171 | coords(coords). |
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| 172 | nodeShapes(shapes). |
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| 173 | nodeColors(composeMap(palette,colors)). |
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[206] | 174 | arcColors(composeMap(palette,acolors)). |
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[128] | 175 | arcWidthScale(.3).arcWidths(widths). |
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| 176 | nodeTexts(id).nodeTextSize(3). |
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| 177 | enableParallel().parArcDist(1). |
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| 178 | drawArrows().arrowWidth(1).arrowLength(1). |
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| 179 | run(); |
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| 180 | |
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[206] | 181 | // Create an .eps file showing the colors of a default Palette |
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[128] | 182 | ListDigraph h; |
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| 183 | ListDigraph::NodeMap<int> hcolors(h); |
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| 184 | ListDigraph::NodeMap<Point> hcoords(h); |
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| 185 | |
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| 186 | int cols=int(sqrt(double(palette.size()))); |
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| 187 | for(int i=0;i<int(paletteW.size());i++) { |
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| 188 | Node n=h.addNode(); |
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[206] | 189 | hcoords[n]=Point(1+i%cols,1+i/cols); |
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[128] | 190 | hcolors[n]=i; |
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| 191 | } |
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| 192 | |
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[206] | 193 | cout << "Create 'graph_to_eps_demo_out_6_colors.eps'" << endl; |
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| 194 | graphToEps(h,"graph_to_eps_demo_out_6_colors.eps"). |
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| 195 | scale(60). |
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[128] | 196 | title("Sample .eps figure (Palette demo)"). |
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[206] | 197 | copyright("(C) 2003-2008 LEMON Project"). |
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[128] | 198 | coords(hcoords). |
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| 199 | absoluteNodeSizes().absoluteArcWidths(). |
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[132] | 200 | nodeScale(.45). |
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[128] | 201 | distantColorNodeTexts(). |
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| 202 | nodeTexts(hcolors).nodeTextSize(.6). |
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| 203 | nodeColors(composeMap(paletteW,hcolors)). |
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| 204 | run(); |
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[206] | 205 | |
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| 206 | return 0; |
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[128] | 207 | } |
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