1 | #include <fstream> |
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2 | #include <iostream> |
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3 | |
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4 | #include <lemon/xy.h> |
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5 | #include <lemon/maps.h> |
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6 | #include <lemon/error.h> |
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7 | #include <lemon/list_graph.h> |
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8 | #include <lemon/graph_reader.h> |
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9 | #include <lemon/graph_utils.h> |
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10 | |
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11 | using namespace lemon; |
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12 | |
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13 | typedef ListGraph Graph; |
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14 | typedef xy<double> Coordinates; |
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15 | typedef Graph::NodeMap<Coordinates> CoordinatesMap; |
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16 | typedef Graph::Node Node; |
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17 | typedef Graph::EdgeIt EdgeIt; |
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18 | typedef Graph::NodeIt NodeIt; |
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19 | |
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20 | class CoordReaderMap: public MapBase <Node, double> |
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21 | { |
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22 | CoordinatesMap & cm; |
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23 | char xoy; |
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24 | |
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25 | public: |
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26 | CoordReaderMap(char xory, CoordinatesMap & coordmap): cm(coordmap) |
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27 | { |
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28 | switch(xory) |
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29 | { |
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30 | case 'x': |
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31 | case 'y': |
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32 | xoy=xory; |
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33 | break; |
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34 | default: |
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35 | throw UninitializedParameter() ; |
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36 | } |
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37 | } |
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38 | |
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39 | void set(Node node, double coord) |
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40 | { |
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41 | switch(xoy) |
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42 | { |
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43 | case 'x': |
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44 | cm[node].x=coord; |
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45 | break; |
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46 | case 'y': |
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47 | cm[node].y=coord; |
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48 | break; |
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49 | default: |
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50 | throw UninitializedParameter() ; |
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51 | } |
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52 | } |
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53 | }; |
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54 | |
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55 | int main(void) |
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56 | { |
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57 | Graph g; |
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58 | CoordinatesMap cm(g); |
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59 | |
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60 | CoordReaderMap xreader('x',cm); |
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61 | CoordReaderMap yreader('y',cm); |
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62 | |
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63 | std::ifstream is("graphocska.lemon"); |
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64 | |
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65 | GraphReader<Graph> reader(is, g); |
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66 | reader.addNodeMap("coordinates_x", xreader); |
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67 | reader.addNodeMap("coordinates_y", yreader); |
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68 | reader.run(); |
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69 | std::cout << "Megvagyok" << std::endl; |
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70 | |
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71 | for (NodeIt i(g); i!=INVALID; ++i) |
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72 | std::cout << " " << g.id(i) << " " << cm[i]; |
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73 | std::cout << std::endl; |
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74 | |
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75 | return 0; |
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76 | } |
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