protected override ISeries CreateSeries(DataStream dataset)
{
var xI = dataset.FieldNames.IndexOf("x");
var yI = dataset.FieldNames.IndexOf("y");
var wI = dataset.FieldNames.IndexOf("w");
var hI = dataset.FieldNames.IndexOf("h");
var nameIndices = Enumerable.Range(0, dataset.FieldNames.Count).Except(new[] { xI, yI, wI, hI }).ToArray();
var names = nameIndices.Select(i => dataset.FieldNames[i]).ToArray();
var types = nameIndices.Select(i => dataset.FieldTypes[i]).ToArray();
// README Check series
var series = new Series4(names, types);
const int chunkSize = 1000000;
var x = new List <TReal>(chunkSize); var y = new List <TReal>(chunkSize);
var h = new List <TReal>(chunkSize); var w = new List <TReal>(chunkSize);
var atts = new List <object>(chunkSize * nameIndices.Length);
VisualStateManager.GoToState(this, "Loading", true);
Task.Run(() =>
{
try
{
var bufferedChunks = dataset.Stream.Buffer(chunkSize, false);
foreach (var dataStreamValues in bufferedChunks)
{
x.Clear();
y.Clear();
w.Clear();
h.Clear();
atts.Clear();
foreach (var dataStreamValue in dataStreamValues)
{
atts.AddRange(from c in nameIndices select dataStreamValue.Values[c]);
x.Add((TReal)dataStreamValue.Values[xI]);
y.Add((TReal)dataStreamValue.Values[yI]);
w.Add((TReal)dataStreamValue.Values[wI]);
h.Add((TReal)dataStreamValue.Values[hI]);
}
using (chart.SuspendUpdates())
{
series.Append(x, y, w, h, atts);
}
UpdateStatus();
}
Thread.Sleep(2000);
Dispatcher.InvokeAsync(() => brd.Visibility = Visibility.Collapsed);
}
catch (Exception e)
{
txtLoadingStatus.Text = $"Error loading data: {e.Message}";
progressBar.Value = 0;
Trace.WriteLine("Error: " + e);
}
});
// README Check adapter
var adapter = new RectangleRenderableSeries3(series);
chart.RenderableSeries.Add(adapter);
return(series);
}
protected override ISeries CreateSeries(DataStream dataset)
{
var xI = dataset.FieldNames.IndexOf("x");
var yI = dataset.FieldNames.IndexOf("y");
var wI = dataset.FieldNames.IndexOf("w");
var hI = dataset.FieldNames.IndexOf("h");
var nameIndices = Enumerable.Range(0, dataset.FieldNames.Count).Except(new[] { xI, yI, wI, hI }).ToArray();
var names = nameIndices.Select(i => dataset.FieldNames[i]).ToArray();
var types = nameIndices.Select(i => dataset.FieldTypes[i]).ToArray();
// README Check series
var series = new Series4(names, types);
const int chunkSize = 1000000;
var x = new List<TReal>(chunkSize); var y = new List<TReal>(chunkSize);
var h = new List<TReal>(chunkSize); var w = new List<TReal>(chunkSize);
var atts = new List<object>(chunkSize*nameIndices.Length);
VisualStateManager.GoToState(this, "Loading", true);
Task.Run(() =>
{
try
{
var bufferedChunks = dataset.Stream.Buffer(chunkSize, false);
foreach (var dataStreamValues in bufferedChunks)
{
x.Clear();
y.Clear();
w.Clear();
h.Clear();
atts.Clear();
foreach (var dataStreamValue in dataStreamValues)
{
atts.AddRange(from c in nameIndices select dataStreamValue.Values[c]);
x.Add((TReal) dataStreamValue.Values[xI]);
y.Add((TReal) dataStreamValue.Values[yI]);
w.Add((TReal) dataStreamValue.Values[wI]);
h.Add((TReal) dataStreamValue.Values[hI]);
}
using (chart.SuspendUpdates())
{
series.Append(x, y, w, h, atts);
}
UpdateStatus();
}
Thread.Sleep(2000);
Dispatcher.InvokeAsync(() => brd.Visibility = Visibility.Collapsed);
}
catch(Exception e)
{
txtLoadingStatus.Text = $"Error loading data: {e.Message}";
progressBar.Value = 0;
Trace.WriteLine("Error: " + e);
}
});
// README Check adapter
var adapter = new RectangleRenderableSeries3(series);
chart.RenderableSeries.Add(adapter);
return series;
}
