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[1277] | 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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[1278] | 5 | #include <lemon/maps.h> |
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[1277] | 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 | |
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[1278] | 18 | class CoordReaderMap: public MapBase<Node, double> |
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[1277] | 19 | { |
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| 20 | CoordinatesMap * cm; |
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| 21 | char xoy; |
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| 22 | |
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| 23 | public: |
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[1278] | 24 | CoordReaderMap(char xory, CoordinatesMap * coordmap): cm(coordmap) |
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[1277] | 25 | { |
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| 26 | switch(xory) |
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| 27 | { |
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| 28 | case 'x': |
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| 29 | case 'y': |
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| 30 | xoy=xory; |
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| 31 | break; |
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| 32 | default: |
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| 33 | throw UninitializedParameter() ; |
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| 34 | } |
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| 35 | } |
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| 36 | |
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| 37 | void set(Node node, double coord) |
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| 38 | { |
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| 39 | switch(xoy) |
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| 40 | { |
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| 41 | case 'x': |
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| 42 | (*cm)[node].x=coord; |
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| 43 | break; |
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| 44 | case 'y': |
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| 45 | (*cm)[node].y=coord; |
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| 46 | break; |
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| 47 | default: |
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| 48 | throw UninitializedParameter() ; |
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| 49 | } |
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| 50 | } |
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| 51 | }; |
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| 52 | |
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| 53 | int main(void) |
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| 54 | { |
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| 55 | Graph g; |
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| 56 | CoordinatesMap cm(g); |
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| 57 | |
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| 58 | CoordReaderMap xreader('x',&cm); |
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| 59 | CoordReaderMap yreader('y',&cm); |
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| 60 | |
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| 61 | std::ifstream is("dijkstra_test.lemon"); |
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| 62 | |
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| 63 | GraphReader<Graph> reader(is, g); |
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| 64 | reader.addNodeMap("coordinates_x", xreader); |
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| 65 | reader.addNodeMap("coordinates_y", yreader); |
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| 66 | reader.run(); |
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| 67 | |
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| 68 | return 0; |
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| 69 | } |
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