COIN-OR::LEMON - Graph Library

source: glemon/kruskalbox.cc @ 1:67188bd752db

Last change on this file since 1:67188bd752db was 1:67188bd752db, checked in by Peter Hegyi <hegyi@…>, 13 years ago

SVN revision 3500 made compilable with Lemon 1.0.

File size: 2.2 KB
Line 
1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2006
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 *
9 * Permission to use, modify and distribute this software is granted
10 * provided that this copyright notice appears in all copies. For
11 * precise terms see the accompanying LICENSE file.
12 *
13 * This software is provided "AS IS" with no warranty of any kind,
14 * express or implied, and with no claim as to its suitability for any
15 * purpose.
16 *
17 */
18
19#include <lemon/kruskal.h>
20
21#include <mapstorage.h>
22#include <mapselector.h>
23#include <algobox.h>
24#include <kruskalbox.h>
25
26enum {INPUT, OUTPUT, MAP_NUM};
27
28KruskalBox::KruskalBox(std::vector<std::string> t):AlgoBox()
29{
30  init(t);
31}
32   
33void KruskalBox::run()
34{
35  if(
36      tabcbt.get_active_text()!="" &&
37      (arcmapcbts[INPUT])->get_active_text()!="" &&
38      (arcmapcbts[OUTPUT])->get_active_text()!=""
39    )
40  {
41
42    const Digraph &g=mapstorage->getDigraph();
43    std::string input_map_name = arcmapcbts[INPUT]->get_active_text();
44    Digraph::ArcMap<bool> outputmap(g);
45    const MapStorage::NumericArcMap& inputmap=
46      mapstorage->getNumericArcMap(input_map_name);
47    double res=kruskal(g, inputmap, outputmap);
48
49    for (ArcIt i(g); i!=INVALID; ++i)
50    {
51      if(outputmap[i])
52      {
53        mapstorage->set(arcmapcbts[OUTPUT]->get_active_text(), i, 1.0);
54      }
55      else
56      {
57        mapstorage->set(arcmapcbts[OUTPUT]->get_active_text(), i, 0.0);
58      }
59    }
60
61    std::ostringstream o;
62    o << "Result: " << res;
63    resultlabel.set_text(o.str());
64
65    mapstorage->mapChanged(true, (arcmapcbts[OUTPUT])->get_active_text());
66    //   mapstorage->changeActiveMap(true, E_COLOR,
67    //                        (arcmapcbts[OUTPUT])->get_active_text());
68    //   mapstorage->changeActiveMap(true, E_TEXT,
69    //                        (arcmapcbts[INPUT])->get_active_text());
70
71  }
72}
73   
74void KruskalBox::build_box()
75{
76  std::vector<std::string> empty_vector;
77
78  addMapSelector("Arccosts: ", true, NUM);
79  addMapSelector("Arcs of tree here: ", true, NUM);
80
81  resultlabel.set_text("Result: algorithm is not run yet.");
82  pack_start(resultlabel);
83}
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