public async Task <SpatialDataSet> LoadDatasetFromResource(Uri uri)
{
var file = await Windows.Storage.StorageFile.GetFileFromApplicationUriAsync(uri);
if (file != null)
{
using (var fileStream = await file.OpenStreamForReadAsync())
{
//Read the spatial data file
var reader = new GeoJsonFeed();
return(await reader.ReadAsync(fileStream));
}
}
return(null);
}
/// <summary>
/// Not currently used
/// </summary>
/// <returns></returns>
public async Task <SpatialDataSet> LoadDatasetFromFileSystem()
{
//Create a FileOpenPicker to allow the user to select which file to import
var openPicker = new FileOpenPicker()
{
ViewMode = PickerViewMode.List,
SuggestedStartLocation = PickerLocationId.Desktop
};
openPicker.FileTypeFilter.Add(".json");
var file = await openPicker.PickSingleFileAsync();
if (file != null)
{
using (var fileStream = await file.OpenStreamForReadAsync())
{
//Read the spatial data file
var reader = new GeoJsonFeed();
return(await reader.ReadAsync(fileStream));
}
}
return(null);
}