alpar@209: /* -*- mode: C++; indent-tabs-mode: nil; -*- alpar@128: * alpar@209: * This file is a part of LEMON, a generic C++ optimization library. alpar@128: * alpar@128: * Copyright (C) 2003-2008 alpar@128: * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport alpar@128: * (Egervary Research Group on Combinatorial Optimization, EGRES). alpar@128: * alpar@128: * Permission to use, modify and distribute this software is granted alpar@128: * provided that this copyright notice appears in all copies. For alpar@128: * precise terms see the accompanying LICENSE file. alpar@128: * alpar@128: * This software is provided "AS IS" with no warranty of any kind, alpar@128: * express or implied, and with no claim as to its suitability for any alpar@128: * purpose. alpar@128: * alpar@128: */ alpar@128: alpar@128: /// \ingroup demos alpar@128: /// \file kpeter@206: /// \brief Demo of the graph drawing function \ref graphToEps() alpar@128: /// kpeter@211: /// This demo program shows examples how to use the function \ref kpeter@211: /// graphToEps(). It takes no input but simply creates seven alpar@128: /// .eps files demonstrating the capability of \ref kpeter@206: /// graphToEps(), and showing how to draw directed graphs, alpar@128: /// how to handle parallel egdes, how to change the properties (like alpar@128: /// color, shape, size, title etc.) of nodes and arcs individually alpar@128: /// using appropriate \ref maps-page "graph maps". alpar@128: /// alpar@128: /// \include graph_to_eps_demo.cc alpar@128: alpar@128: #include alpar@128: #include kpeter@206: #include kpeter@206: #include alpar@128: alpar@128: using namespace std; alpar@128: using namespace lemon; alpar@128: alpar@128: int main() alpar@128: { alpar@128: Palette palette; alpar@129: Palette paletteW(true); alpar@128: kpeter@206: // Create a small digraph alpar@128: ListDigraph g; alpar@128: typedef ListDigraph::Node Node; alpar@128: typedef ListDigraph::NodeIt NodeIt; alpar@128: typedef ListDigraph::Arc Arc; alpar@128: typedef dim2::Point Point; alpar@209: alpar@128: Node n1=g.addNode(); alpar@128: Node n2=g.addNode(); alpar@128: Node n3=g.addNode(); alpar@128: Node n4=g.addNode(); alpar@128: Node n5=g.addNode(); alpar@128: alpar@128: ListDigraph::NodeMap coords(g); alpar@128: ListDigraph::NodeMap sizes(g); alpar@128: ListDigraph::NodeMap colors(g); alpar@128: ListDigraph::NodeMap shapes(g); kpeter@206: ListDigraph::ArcMap acolors(g); alpar@128: ListDigraph::ArcMap widths(g); alpar@209: alpar@128: coords[n1]=Point(50,50); sizes[n1]=1; colors[n1]=1; shapes[n1]=0; alpar@128: coords[n2]=Point(50,70); sizes[n2]=2; colors[n2]=2; shapes[n2]=2; alpar@128: coords[n3]=Point(70,70); sizes[n3]=1; colors[n3]=3; shapes[n3]=0; alpar@128: coords[n4]=Point(70,50); sizes[n4]=2; colors[n4]=4; shapes[n4]=1; alpar@128: coords[n5]=Point(85,60); sizes[n5]=3; colors[n5]=5; shapes[n5]=2; alpar@209: kpeter@206: Arc a; alpar@128: kpeter@206: a=g.addArc(n1,n2); acolors[a]=0; widths[a]=1; kpeter@206: a=g.addArc(n2,n3); acolors[a]=0; widths[a]=1; kpeter@206: a=g.addArc(n3,n5); acolors[a]=0; widths[a]=3; kpeter@206: a=g.addArc(n5,n4); acolors[a]=0; widths[a]=1; kpeter@206: a=g.addArc(n4,n1); acolors[a]=0; widths[a]=1; kpeter@206: a=g.addArc(n2,n4); acolors[a]=1; widths[a]=2; kpeter@206: a=g.addArc(n3,n4); acolors[a]=2; widths[a]=1; alpar@209: alpar@128: IdMap id(g); alpar@128: kpeter@211: // Create .eps files showing the digraph with different options kpeter@206: cout << "Create 'graph_to_eps_demo_out_1_pure.eps'" << endl; kpeter@206: graphToEps(g,"graph_to_eps_demo_out_1_pure.eps"). alpar@128: coords(coords). alpar@128: title("Sample .eps figure"). kpeter@206: copyright("(C) 2003-2008 LEMON Project"). alpar@128: run(); alpar@128: kpeter@206: cout << "Create 'graph_to_eps_demo_out_2.eps'" << endl; kpeter@206: graphToEps(g,"graph_to_eps_demo_out_2.eps"). alpar@128: coords(coords). alpar@128: title("Sample .eps figure"). kpeter@206: copyright("(C) 2003-2008 LEMON Project"). alpar@128: absoluteNodeSizes().absoluteArcWidths(). alpar@128: nodeScale(2).nodeSizes(sizes). alpar@128: nodeShapes(shapes). alpar@128: nodeColors(composeMap(palette,colors)). kpeter@206: arcColors(composeMap(palette,acolors)). alpar@128: arcWidthScale(.4).arcWidths(widths). alpar@128: nodeTexts(id).nodeTextSize(3). alpar@128: run(); alpar@128: kpeter@206: cout << "Create 'graph_to_eps_demo_out_3_arr.eps'" << endl; kpeter@206: graphToEps(g,"graph_to_eps_demo_out_3_arr.eps"). alpar@128: title("Sample .eps figure (with arrowheads)"). kpeter@206: copyright("(C) 2003-2008 LEMON Project"). alpar@128: absoluteNodeSizes().absoluteArcWidths(). alpar@128: nodeColors(composeMap(palette,colors)). alpar@128: coords(coords). alpar@128: nodeScale(2).nodeSizes(sizes). alpar@128: nodeShapes(shapes). kpeter@206: arcColors(composeMap(palette,acolors)). alpar@128: arcWidthScale(.4).arcWidths(widths). alpar@128: nodeTexts(id).nodeTextSize(3). kpeter@206: drawArrows().arrowWidth(2).arrowLength(2). alpar@128: run(); alpar@128: kpeter@211: // Add more arcs to the digraph kpeter@206: a=g.addArc(n1,n4); acolors[a]=2; widths[a]=1; kpeter@206: a=g.addArc(n4,n1); acolors[a]=1; widths[a]=2; alpar@128: kpeter@206: a=g.addArc(n1,n2); acolors[a]=1; widths[a]=1; kpeter@206: a=g.addArc(n1,n2); acolors[a]=2; widths[a]=1; kpeter@206: a=g.addArc(n1,n2); acolors[a]=3; widths[a]=1; kpeter@206: a=g.addArc(n1,n2); acolors[a]=4; widths[a]=1; kpeter@206: a=g.addArc(n1,n2); acolors[a]=5; widths[a]=1; kpeter@206: a=g.addArc(n1,n2); acolors[a]=6; widths[a]=1; kpeter@206: a=g.addArc(n1,n2); acolors[a]=7; widths[a]=1; alpar@128: kpeter@211: cout << "Create 'graph_to_eps_demo_out_4_par.eps'" << endl; kpeter@211: graphToEps(g,"graph_to_eps_demo_out_4_par.eps"). alpar@128: title("Sample .eps figure (parallel arcs)"). kpeter@206: copyright("(C) 2003-2008 LEMON Project"). alpar@128: absoluteNodeSizes().absoluteArcWidths(). alpar@128: nodeShapes(shapes). alpar@128: coords(coords). alpar@128: nodeScale(2).nodeSizes(sizes). alpar@128: nodeColors(composeMap(palette,colors)). kpeter@206: arcColors(composeMap(palette,acolors)). alpar@128: arcWidthScale(.4).arcWidths(widths). alpar@128: nodeTexts(id).nodeTextSize(3). alpar@128: enableParallel().parArcDist(1.5). alpar@128: run(); kpeter@206: kpeter@211: cout << "Create 'graph_to_eps_demo_out_5_par_arr.eps'" << endl; kpeter@211: graphToEps(g,"graph_to_eps_demo_out_5_par_arr.eps"). alpar@128: title("Sample .eps figure (parallel arcs and arrowheads)"). kpeter@206: copyright("(C) 2003-2008 LEMON Project"). alpar@128: absoluteNodeSizes().absoluteArcWidths(). alpar@128: nodeScale(2).nodeSizes(sizes). alpar@128: coords(coords). alpar@128: nodeShapes(shapes). alpar@128: nodeColors(composeMap(palette,colors)). kpeter@206: arcColors(composeMap(palette,acolors)). alpar@128: arcWidthScale(.3).arcWidths(widths). alpar@128: nodeTexts(id).nodeTextSize(3). alpar@128: enableParallel().parArcDist(1). alpar@128: drawArrows().arrowWidth(1).arrowLength(1). alpar@128: run(); alpar@128: kpeter@211: cout << "Create 'graph_to_eps_demo_out_6_par_arr_a4.eps'" << endl; kpeter@211: graphToEps(g,"graph_to_eps_demo_out_6_par_arr_a4.eps"). alpar@128: title("Sample .eps figure (fits to A4)"). kpeter@206: copyright("(C) 2003-2008 LEMON Project"). kpeter@206: scaleToA4(). alpar@128: absoluteNodeSizes().absoluteArcWidths(). alpar@128: nodeScale(2).nodeSizes(sizes). alpar@128: coords(coords). alpar@128: nodeShapes(shapes). alpar@128: nodeColors(composeMap(palette,colors)). kpeter@206: arcColors(composeMap(palette,acolors)). alpar@128: arcWidthScale(.3).arcWidths(widths). alpar@128: nodeTexts(id).nodeTextSize(3). alpar@128: enableParallel().parArcDist(1). alpar@128: drawArrows().arrowWidth(1).arrowLength(1). alpar@128: run(); alpar@128: kpeter@206: // Create an .eps file showing the colors of a default Palette alpar@128: ListDigraph h; alpar@128: ListDigraph::NodeMap hcolors(h); alpar@128: ListDigraph::NodeMap hcoords(h); alpar@209: alpar@128: int cols=int(sqrt(double(palette.size()))); alpar@128: for(int i=0;i