public ImportPage(ImportPageViewModel viewModel)
{
InitializeComponent();
this.viewModel = viewModel;
this.DataContext = viewModel;
}
public int GetNodeCount(ref ImportPageViewModel info)
{
int c = (from n in RNDataContext.Nodes
select n).Count();
info.InfoText = "Chopper " + c;
info.OnPropertyChanged("InfoText");
return(c);
}
public ImportWorker(ref ImportPageViewModel infoRef, BackgroundWorker bgWorker, RoadNetworkDataContext dc)
{
info = infoRef;
worker = bgWorker;
DataContext = dc;
CoordinateSystemFactory c = new CoordinateSystemFactory();
ICoordinateSystem source = c.CreateFromWkt("PROJCS[\"OSGB 1936 / British National Grid\",GEOGCS[\"OSGB 1936\",DATUM[\"OSGB_1936\",SPHEROID[\"Airy 1830\",6377563.396,299.3249646,AUTHORITY[\"EPSG\",\"7001\"]],AUTHORITY[\"EPSG\",\"6277\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4277\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",49],PARAMETER[\"central_meridian\",-2],PARAMETER[\"scale_factor\",0.9996012717],PARAMETER[\"false_easting\",400000],PARAMETER[\"false_northing\",-100000],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AUTHORITY[\"EPSG\",\"27700\"]]");
ICoordinateSystem target = c.CreateFromWkt("GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137,298.257223563]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.0174532925199433]]");
CoordinateTransformationFactory trf = new CoordinateTransformationFactory();
OsgbToWgs = trf.CreateFromCoordinateSystems(source, target);
}
public void ImportNetworkData(ref ImportPageViewModel info)
{
worker = new BackgroundWorker();
ImportWorker = new ImportWorker(ref info, worker, RNDataContext);
info.MaxRecords = 1000;
info.OnPropertyChanged("MaxRecords");
worker.DoWork += new DoWorkEventHandler(ImportWorker.DoWork);
worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(ImportWorker.RunWorkerCompleted);
worker.WorkerSupportsCancellation = true;
worker.RunWorkerAsync();
}