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/* -*- C++ -*-
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*
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* This file is a part of LEMON, a generic C++ optimization library
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*
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* Copyright (C) 2003-2008
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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* (Egervary Research Group on Combinatorial Optimization, EGRES).
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*
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* Permission to use, modify and distribute this software is granted
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* provided that this copyright notice appears in all copies. For
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* precise terms see the accompanying LICENSE file.
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*
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* This software is provided "AS IS" with no warranty of any kind,
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* express or implied, and with no claim as to its suitability for any
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* purpose.
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*
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*/
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/// \ingroup demos
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/// \file
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/// \brief Demo of the graph grawing function \ref graphToEps()
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///
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/// This demo program shows examples how to use the function \ref
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/// graphToEps(). It takes no input but simply creates six
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/// <tt>.eps</tt> files demonstrating the capability of \ref
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/// graphToEps(), and showing how to draw directed/graphs,
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/// how to handle parallel egdes, how to change the properties (like
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/// color, shape, size, title etc.) of nodes and arcs individually
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/// using appropriate \ref maps-page "graph maps".
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///
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/// \include graph_to_eps_demo.cc
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#include <lemon/math.h>
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#include<lemon/graph_to_eps.h>
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#include<lemon/list_graph.h>
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#include<lemon/graph_utils.h>
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using namespace std;
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using namespace lemon;
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int main()
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{
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Palette palette;
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Palette paletteW(true);
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ListDigraph g;
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typedef ListDigraph::Node Node;
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typedef ListDigraph::NodeIt NodeIt;
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typedef ListDigraph::Arc Arc;
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typedef dim2::Point<int> Point;
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Node n1=g.addNode();
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Node n2=g.addNode();
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Node n3=g.addNode();
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Node n4=g.addNode();
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Node n5=g.addNode();
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ListDigraph::NodeMap<Point> coords(g);
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ListDigraph::NodeMap<double> sizes(g);
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ListDigraph::NodeMap<int> colors(g);
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ListDigraph::NodeMap<int> shapes(g);
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ListDigraph::ArcMap<int> ecolors(g);
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ListDigraph::ArcMap<int> widths(g);
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coords[n1]=Point(50,50); sizes[n1]=1; colors[n1]=1; shapes[n1]=0;
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coords[n2]=Point(50,70); sizes[n2]=2; colors[n2]=2; shapes[n2]=2;
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coords[n3]=Point(70,70); sizes[n3]=1; colors[n3]=3; shapes[n3]=0;
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coords[n4]=Point(70,50); sizes[n4]=2; colors[n4]=4; shapes[n4]=1;
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coords[n5]=Point(85,60); sizes[n5]=3; colors[n5]=5; shapes[n5]=2;
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Arc e;
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e=g.addArc(n1,n2); ecolors[e]=0; widths[e]=1;
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e=g.addArc(n2,n3); ecolors[e]=0; widths[e]=1;
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e=g.addArc(n3,n5); ecolors[e]=0; widths[e]=3;
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e=g.addArc(n5,n4); ecolors[e]=0; widths[e]=1;
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e=g.addArc(n4,n1); ecolors[e]=0; widths[e]=1;
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e=g.addArc(n2,n4); ecolors[e]=1; widths[e]=2;
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e=g.addArc(n3,n4); ecolors[e]=2; widths[e]=1;
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IdMap<ListDigraph,Node> id(g);
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cout << "Create 'graph_to_eps_demo_out_pure.eps'" << endl;
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graphToEps(g,"graph_to_eps_demo_out_pure.eps").
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//scale(10).
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coords(coords).
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title("Sample .eps figure").
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copyright("(C) 2003-2007 LEMON Project").
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run();
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cout << "Create 'graph_to_eps_demo_out.eps'" << endl;
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graphToEps(g,"graph_to_eps_demo_out.eps").
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//scale(10).
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coords(coords).
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title("Sample .eps figure").
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copyright("(C) 2003-2007 LEMON Project").
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absoluteNodeSizes().absoluteArcWidths().
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nodeScale(2).nodeSizes(sizes).
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nodeShapes(shapes).
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nodeColors(composeMap(palette,colors)).
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arcColors(composeMap(palette,ecolors)).
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arcWidthScale(.4).arcWidths(widths).
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nodeTexts(id).nodeTextSize(3).
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run();
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cout << "Create 'graph_to_eps_demo_out_arr.eps'" << endl;
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graphToEps(g,"graph_to_eps_demo_out_arr.eps").
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//scale(10).
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title("Sample .eps figure (with arrowheads)").
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copyright("(C) 2003-2007 LEMON Project").
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absoluteNodeSizes().absoluteArcWidths().
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nodeColors(composeMap(palette,colors)).
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coords(coords).
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nodeScale(2).nodeSizes(sizes).
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nodeShapes(shapes).
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arcColors(composeMap(palette,ecolors)).
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arcWidthScale(.4).arcWidths(widths).
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nodeTexts(id).nodeTextSize(3).
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drawArrows().arrowWidth(1).arrowLength(1).
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run();
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e=g.addArc(n1,n4); ecolors[e]=2; widths[e]=1;
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e=g.addArc(n4,n1); ecolors[e]=1; widths[e]=2;
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e=g.addArc(n1,n2); ecolors[e]=1; widths[e]=1;
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e=g.addArc(n1,n2); ecolors[e]=2; widths[e]=1;
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e=g.addArc(n1,n2); ecolors[e]=3; widths[e]=1;
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e=g.addArc(n1,n2); ecolors[e]=4; widths[e]=1;
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e=g.addArc(n1,n2); ecolors[e]=5; widths[e]=1;
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e=g.addArc(n1,n2); ecolors[e]=6; widths[e]=1;
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e=g.addArc(n1,n2); ecolors[e]=7; widths[e]=1;
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cout << "Create 'graph_to_eps_demo_out_par.eps'" << endl;
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graphToEps(g,"graph_to_eps_demo_out_par.eps").
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//scale(10).
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title("Sample .eps figure (parallel arcs)").
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copyright("(C) 2003-2007 LEMON Project").
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absoluteNodeSizes().absoluteArcWidths().
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nodeShapes(shapes).
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coords(coords).
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nodeScale(2).nodeSizes(sizes).
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nodeColors(composeMap(palette,colors)).
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arcColors(composeMap(palette,ecolors)).
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arcWidthScale(.4).arcWidths(widths).
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nodeTexts(id).nodeTextSize(3).
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enableParallel().parArcDist(1.5).
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run();
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cout << "Create 'graph_to_eps_demo_out_par_arr.eps'" << endl;
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graphToEps(g,"graph_to_eps_demo_out_par_arr.eps").
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//scale(10).
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title("Sample .eps figure (parallel arcs and arrowheads)").
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copyright("(C) 2003-2007 LEMON Project").
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absoluteNodeSizes().absoluteArcWidths().
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nodeScale(2).nodeSizes(sizes).
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coords(coords).
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nodeShapes(shapes).
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nodeColors(composeMap(palette,colors)).
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arcColors(composeMap(palette,ecolors)).
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arcWidthScale(.3).arcWidths(widths).
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nodeTexts(id).nodeTextSize(3).
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enableParallel().parArcDist(1).
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drawArrows().arrowWidth(1).arrowLength(1).
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run();
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cout << "Create 'graph_to_eps_demo_out_a4.eps'" << endl;
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graphToEps(g,"graph_to_eps_demo_out_a4.eps").scaleToA4().
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title("Sample .eps figure (fits to A4)").
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copyright("(C) 2003-2007 LEMON Project").
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absoluteNodeSizes().absoluteArcWidths().
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nodeScale(2).nodeSizes(sizes).
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coords(coords).
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nodeShapes(shapes).
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nodeColors(composeMap(palette,colors)).
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arcColors(composeMap(palette,ecolors)).
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arcWidthScale(.3).arcWidths(widths).
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nodeTexts(id).nodeTextSize(3).
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enableParallel().parArcDist(1).
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drawArrows().arrowWidth(1).arrowLength(1).
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run();
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ListDigraph h;
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ListDigraph::NodeMap<int> hcolors(h);
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ListDigraph::NodeMap<Point> hcoords(h);
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int cols=int(sqrt(double(palette.size())));
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for(int i=0;i<int(paletteW.size());i++) {
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Node n=h.addNode();
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hcoords[n]=Point(i%cols,i/cols);
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hcolors[n]=i;
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}
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cout << "Create 'graph_to_eps_demo_out_colors.eps'" << endl;
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graphToEps(h,"graph_to_eps_demo_out_colors.eps").
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//scale(60).
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title("Sample .eps figure (Palette demo)").
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copyright("(C) 2003-2007 LEMON Project").
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coords(hcoords).
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absoluteNodeSizes().absoluteArcWidths().
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nodeScale(.45).
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distantColorNodeTexts().
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// distantBWNodeTexts().
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nodeTexts(hcolors).nodeTextSize(.6).
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nodeColors(composeMap(paletteW,hcolors)).
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run();
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}
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