1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/work/peter/xy-reader.cc	Wed Mar 30 14:29:55 2005 +0000
     1.3 @@ -0,0 +1,69 @@
     1.4 +#include <fstream>
     1.5 +#include <iostream>
     1.6 +
     1.7 +#include <lemon/xy.h>
     1.8 +#include <lemon/concept/maps.h>
     1.9 +#include <lemon/error.h>
    1.10 +#include <lemon/list_graph.h>
    1.11 +#include <lemon/graph_reader.h>
    1.12 +#include <lemon/graph_utils.h>
    1.13 +
    1.14 +using namespace lemon;
    1.15 +
    1.16 +typedef ListGraph Graph;
    1.17 +typedef xy<double> Coordinates;
    1.18 +typedef Graph::NodeMap<Coordinates> CoordinatesMap;
    1.19 +typedef Graph::Node Node;
    1.20 +
    1.21 +class CoordReaderMap: public concept::WriteMap<Node, double>
    1.22 +{
    1.23 +    CoordinatesMap * cm;
    1.24 +    char xoy;
    1.25 +
    1.26 +public:
    1.27 +    CoordReaderMap(char xory, CoordinatesMap * coordmap): concept::WriteMap<Node, double>() ,cm(coordmap)
    1.28 +    {
    1.29 +	switch(xory)
    1.30 +	{
    1.31 +	    case 'x':
    1.32 +	    case 'y':
    1.33 +		xoy=xory;
    1.34 +		break;
    1.35 +	    default:
    1.36 +		throw UninitializedParameter() ;
    1.37 +	}
    1.38 +    }
    1.39 +
    1.40 +    void set(Node node, double coord)
    1.41 +    {
    1.42 +	switch(xoy)
    1.43 +	{
    1.44 +	    case 'x':
    1.45 +		(*cm)[node].x=coord;
    1.46 +		break;
    1.47 +	    case 'y':
    1.48 +		(*cm)[node].y=coord;
    1.49 +		break;
    1.50 +	    default:
    1.51 +		throw UninitializedParameter() ;
    1.52 +	}
    1.53 +    }
    1.54 +};
    1.55 +
    1.56 +int main(void)
    1.57 +{
    1.58 +    Graph g;
    1.59 +    CoordinatesMap cm(g);
    1.60 +
    1.61 +    CoordReaderMap xreader('x',&cm);
    1.62 +    CoordReaderMap yreader('y',&cm);
    1.63 +
    1.64 +    std::ifstream is("dijkstra_test.lemon");
    1.65 +    
    1.66 +    GraphReader<Graph> reader(is, g);
    1.67 +    reader.addNodeMap("coordinates_x", xreader);
    1.68 +    reader.addNodeMap("coordinates_y", yreader);
    1.69 +    reader.run();
    1.70 +    
    1.71 +    return 0;
    1.72 +}