src/demo/graph_to_eps_demo.cc
author alpar
Fri, 25 Feb 2005 14:50:22 +0000
changeset 1178 3c176c65d33b
parent 1164 80bb73097736
child 1268 a1f9a4d4ea0c
permissions -rw-r--r--
- ColorSet become commonly usable
- Possility to change the color of a node text (in GraphToEps).
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/* -*- C++ -*-
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 * src/lemon/demo/graph_to_eps.cc - 
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 * Part of LEMON, a generic C++ optimization library
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 *
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 * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Combinatorial Optimization Research Group, 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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#include<lemon/graph_to_eps.h>
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#include<lemon/maps.h>
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#include<lemon/list_graph.h>
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using namespace std;
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using namespace lemon;
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class IdMap :public MapBase<ListGraph::Node,int>
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{
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  const ListGraph &g;
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public:
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  IdMap(const ListGraph &_g) :g(_g) {}
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  Value operator[](Key n) const { return g.id(n); }
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};
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int main()
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{
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  ColorSet colorSet;
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  ListGraph g;
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  typedef ListGraph::Node Node;
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  typedef ListGraph::NodeIt NodeIt;
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  typedef ListGraph::Edge Edge;
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  typedef xy<int> Xy;
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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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  ListGraph::NodeMap<Xy> coords(g);
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  ListGraph::NodeMap<double> sizes(g);
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  ListGraph::NodeMap<int> colors(g);
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  ListGraph::NodeMap<int> shapes(g);
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  ListGraph::EdgeMap<int> ecolors(g);
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  ListGraph::EdgeMap<int> widths(g);
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  coords[n1]=Xy(50,50);  sizes[n1]=1; colors[n1]=1; shapes[n1]=0;
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  coords[n2]=Xy(50,70);  sizes[n2]=2; colors[n2]=2; shapes[n2]=2;
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  coords[n3]=Xy(70,70);  sizes[n3]=1; colors[n3]=3; shapes[n3]=0;
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  coords[n4]=Xy(70,50);  sizes[n4]=2; colors[n4]=4; shapes[n4]=1;
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  coords[n5]=Xy(85,60);  sizes[n5]=3; colors[n5]=5; shapes[n5]=2;
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  Edge e;
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  e=g.addEdge(n1,n2); ecolors[e]=0; widths[e]=1;
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  e=g.addEdge(n2,n3); ecolors[e]=0; widths[e]=1;
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  e=g.addEdge(n3,n5); ecolors[e]=0; widths[e]=3;
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  e=g.addEdge(n5,n4); ecolors[e]=0; widths[e]=1;
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  e=g.addEdge(n4,n1); ecolors[e]=0; widths[e]=1;
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  e=g.addEdge(n2,n4); ecolors[e]=1; widths[e]=2;
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  e=g.addEdge(n3,n4); ecolors[e]=2; widths[e]=1;
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  IdMap id(g);
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  graphToEps(g,"graph_to_eps_demo_out.eps").scale(10).coords(coords).
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    title("Sample .eps figure").
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    copyright("(C) 2005 LEMON Project").
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    nodeScale(2).nodeSizes(sizes).
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    nodeShapes(shapes).
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    nodeColors(composeMap(colorSet,colors)).
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    edgeColors(composeMap(colorSet,ecolors)).
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    edgeWidthScale(.4).edgeWidths(widths).
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    nodeTexts(id).nodeTextSize(3).
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    run();
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  graphToEps(g,"graph_to_eps_demo_out_arr.eps").scale(10).
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    title("Sample .eps figure (with arrowheads)").
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    copyright("(C) 2005 LEMON Project").
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    nodeColors(composeMap(colorSet,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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    edgeColors(composeMap(colorSet,ecolors)).
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    edgeWidthScale(.4).edgeWidths(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.addEdge(n1,n4); ecolors[e]=2; widths[e]=1;
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  e=g.addEdge(n4,n1); ecolors[e]=1; widths[e]=2;
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  e=g.addEdge(n1,n2); ecolors[e]=1; widths[e]=1;
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  e=g.addEdge(n1,n2); ecolors[e]=2; widths[e]=1;
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  e=g.addEdge(n1,n2); ecolors[e]=3; widths[e]=1;
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  e=g.addEdge(n1,n2); ecolors[e]=4; widths[e]=1;
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  e=g.addEdge(n1,n2); ecolors[e]=5; widths[e]=1;
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  e=g.addEdge(n1,n2); ecolors[e]=6; widths[e]=1;
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  e=g.addEdge(n1,n2); ecolors[e]=7; widths[e]=1;
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  graphToEps(g,"graph_to_eps_demo_out_par.eps").scale(10).
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    title("Sample .eps figure (parallel edges)").
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    copyright("(C) 2005 LEMON Project").
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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(colorSet,colors)).
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    edgeColors(composeMap(colorSet,ecolors)).
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    edgeWidthScale(.4).edgeWidths(widths).
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    nodeTexts(id).nodeTextSize(3).
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    enableParallel().parEdgeDist(1.5).
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    run();
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  graphToEps(g,"graph_to_eps_demo_out_par_arr.eps").scale(10).
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    title("Sample .eps figure (parallel edges and arrowheads)").
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    copyright("(C) 2005 LEMON Project").
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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(colorSet,colors)).
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    edgeColors(composeMap(colorSet,ecolors)).
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    edgeWidthScale(.3).edgeWidths(widths).
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    nodeTexts(id).nodeTextSize(3).
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    enableParallel().parEdgeDist(1).
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    drawArrows().arrowWidth(1).arrowLength(1).
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    run();
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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) 2005 LEMON Project").
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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(colorSet,colors)).
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    edgeColors(composeMap(colorSet,ecolors)).
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    edgeWidthScale(.3).edgeWidths(widths).
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    nodeTexts(id).nodeTextSize(3).
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    enableParallel().parEdgeDist(1).
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    drawArrows().arrowWidth(1).arrowLength(1).
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    run();
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  ListGraph h;
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  ListGraph::NodeMap<int> hcolors(h);
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  ListGraph::NodeMap<Xy> hcoords(h);
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  int cols=int(sqrt(double(colorSet.size())));
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  for(int i=0;i<int(colorSet.size());i++) {
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    Node n=h.addNode();
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    hcoords[n]=Xy(i%cols,i/cols);
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    hcolors[n]=i;
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  }
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  graphToEps(h,"graph_to_eps_demo_out_colors.eps").scale(60).
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    title("Sample .eps figure (parallel edges and arrowheads)").
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    copyright("(C) 2005 LEMON Project").
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    coords(hcoords).
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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(colorSet,hcolors)).
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    run();
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}