private async Task <AffineTransformationParameters> CalibrateAsync(CalibrationStyle style)
{
await _LoadTask.Task.ConfigureAwait(true);
double margin = 50;
List <Tuple <Point, Point> > measurements = new List <Tuple <Point, Point> >
{
new Tuple <Point, Point>(new Point(margin, margin), new Point()) //Top left
};
if (style == CalibrationStyle.SevenPoint)
{
measurements.Add(new Tuple <Point, Point>(new Point(this.ActualWidth * .5, margin), new Point())); //Top center
}
measurements.Add(new Tuple <Point, Point>(new Point(this.ActualWidth - margin, margin), new Point())); //Top right
measurements.Add(new Tuple <Point, Point>(new Point(this.ActualWidth - margin, this.ActualHeight - margin), new Point())); //Bottom right
if (style == CalibrationStyle.SevenPoint)
{
measurements.Add(new Tuple <Point, Point>(new Point(this.ActualWidth * .5, this.ActualHeight - margin), new Point())); //Bottom center
}
measurements.Add(new Tuple <Point, Point>(new Point(margin, this.ActualHeight - margin), new Point())); //Bottom left
if (style == CalibrationStyle.CornersAndCenter || style == CalibrationStyle.SevenPoint)
{
measurements.Add(new Tuple <Point, Point>(new Point(this.ActualWidth * .5, this.ActualHeight * .5), new Point())); //Center
}
for (int i = 0; i < measurements.Count; i++)
{
progress.Value = i * 100d / measurements.Count;
var p = measurements[i].Item1;
CalibrationMarker.RenderTransform = new TranslateTransform()
{
X = p.X, Y = p.Y
};
var p1 = await GetRawTouchEventAsync().ConfigureAwait(true);
measurements[i] = new Tuple <Point, Point>(p, p1);
}
var lsa = new LeastSquaresAdjustment(measurements.Select(t => t.Item1), measurements.Select(t => t.Item2));
return(lsa.GetTransformation());
}
public async Task <AffineTransformationParameters> CalibrateAsync(CalibrationStyle style)
{
await _loaded.Task;
double margin = 50;
List <Point> references = new List <Point>();
references.Add(new Point(margin, margin)); //Top left
if (style == CalibrationStyle.SevenPoint)
{
references.Add(new Point(this.ActualWidth * .5, margin)); //Top center
}
references.Add(new Point(this.ActualWidth - margin, margin)); //Top right
references.Add(new Point(this.ActualWidth - margin, this.ActualHeight - margin)); //Bottom right
if (style == CalibrationStyle.SevenPoint)
{
references.Add(new Point(this.ActualWidth * .5, this.ActualHeight - margin)); //Bottom center
}
references.Add(new Point(margin, this.ActualHeight - margin)); //Bottom left
if (style == CalibrationStyle.CornersAndCenter || style == CalibrationStyle.SevenPoint)
{
references.Add(new Point(this.ActualWidth * .5, this.ActualHeight * .5)); //Center
}
List <Point> measurements = new List <Point>();
foreach (var reference in references)
{
progress.Value = measurements.Count * 100d / references.Count;
CalibrationMarker.RenderTransform = new TranslateTransform()
{
X = reference.X, Y = reference.Y
};
var measurement = await GetRawTouchEventAsync();
measurements.Add(measurement);
}
return(LeastSquaresAdjustment.GetTransformation(references, measurements));
}
