private AxisItem GetAxisItemFromPoint(AxisType axisType, Point point, string label)
{
if (point == null)
{
return null;
}
AxisItem item = new AxisItem();
double markSize = 3;
TextBlock tb = new TextBlock();
Line ln = new Line();
tb.Text = label;
tb.TextAlignment = TextAlignment.Right;
ln.Stroke = new SolidColorBrush(Colors.Black);
switch (axisType)
{
case AxisType.X:
Canvas.SetBottom(tb, 0);
Canvas.SetLeft(tb, point.X);
ln.Y1 = point.Y;
ln.Y2 = point.Y - markSize;
ln.X1 = point.X;
ln.X2 = ln.X1;
break;
case AxisType.Y:
throw new NotImplementedException();
default:
break;
}
item = new AxisItem
{
Label = tb,
Mark = ln
};
return item;
}
private void ResultCanvasPainter(CalculateMethod method)
{
resultCanvas.Children.Clear();
Brush fillBrush = (Brush)FindResource("ResultLineGradientBlue");
double height = resultCanvas.ActualHeight;
double width = resultCanvas.ActualWidth;
double dotDiameter = width * 0.05;
if (dotDiameter > 20) dotDiameter = 20;
double axisGap = 18;
int power = 0;
Polyline yLine = new Polyline();
yLine.Stroke = fillBrush;
List<Ellipse> dots = new List<Ellipse>();
List<AxisItem> xAxisItems = new List<AxisItem>();
List<AxisItem> yAxisItems = new List<AxisItem>();
Polyline xAxis = new Polyline();
Polyline yAxis = new Polyline();
xAxis.Points.Add(new Point(0, height - axisGap));
xAxis.Points.Add(new Point(width, height - axisGap));
xAxis.Stroke = new SolidColorBrush(Colors.Black);
yAxis.Points.Add(new Point(axisGap, 0));
yAxis.Points.Add(new Point(axisGap, height));
yAxis.Stroke = new SolidColorBrush(Colors.Black);
TextBlock yHeader = new TextBlock();
TextBlock xAxisHeader = new TextBlock();
xAxisHeader.FontSize = 12;
TextBlock yAxisHeader = new TextBlock();
yAxisHeader.FontSize = 12;
Canvas.SetLeft(yHeader, width * 0.382);
Canvas.SetLeft(yLine, axisGap);
Canvas.SetBottom(xAxisHeader, axisGap + 3);
Canvas.SetRight(xAxisHeader, 0);
Canvas.SetTop(yAxisHeader, -axisGap);
switch (method)
{
case CalculateMethod.Rayleigh:
if (Impeller.InnerImpeller.Y.Count <= 0) return;
yLine.Points = GetPointsFromY(Impeller.InnerImpeller, height - axisGap, width - axisGap);
xAxisItems = GetAxisItemsFromDoubleList(Impeller.Sections.Select(sec => sec.Position).ToList(), AxisType.X, new Point(axisGap, height - axisGap), width - axisGap, showMin:false);
yAxisItems = GetAxisItemsFromDoubleList(Impeller.InnerImpeller.Y, AxisType.Y, new Point(axisGap, height - axisGap), height - axisGap, showMax:false);
yHeader.Text = "振型曲线";
xAxisHeader.Text = "Position(m)";
yAxisHeader.Text = "Y(m)";
break;
case CalculateMethod.Iteration:
if (Impeller.InnerImpeller.Y.Count <= 0) return;
yLine.Points = GetPointsFromY(Impeller.InnerImpeller, height - axisGap, width - axisGap);
xAxisItems = GetAxisItemsFromDoubleList(Impeller.Sections.Select(sec => sec.Position).ToList(), AxisType.X, new Point(axisGap, height - axisGap), width - axisGap, showMin: false);
yAxisItems = GetAxisItemsFromDoubleList(Impeller.InnerImpeller.Y, AxisType.Y, new Point(axisGap, height - axisGap), height - axisGap);
yHeader.Text = "振型曲线";
xAxisHeader.Text = "Position(m)";
yAxisHeader.Text = "Y(1)";
break;
case CalculateMethod.Prohl:
if (Impeller.InnerImpeller.VibrationFrequency.Count <= 0) return;
double heightScale = (height - axisGap - dotDiameter) / (Impeller.State.CheckToOmega / (2 * Math.PI));
List<double> freqRange = new List<double>(100);
for (int i = 0; i <= 100; i++)
{
freqRange.Add(Impeller.State.CheckFromOmega / (2 * Math.PI)
+ i * (Impeller.State.CheckToOmega - Impeller.State.CheckFromOmega) / (2 * Math.PI * 100));
}
yAxisItems = GetAxisItemsFromDoubleList(freqRange, AxisType.Y, new Point(axisGap, height - axisGap), height - axisGap);
yHeader.Text = "各阶固有频率分布";
xAxisHeader.Text = "阶数";
yAxisHeader.Text = "频率(Hz)";
foreach (var freq in Impeller.InnerImpeller.VibrationFrequency)
{
var freqDot = new Ellipse();
var axisItem = new AxisItem();
double xPosition = 0;
freqDot.Height = dotDiameter;
freqDot.Width = dotDiameter;
freqDot.Fill = fillBrush;
freqDot.ToolTip = "第" + (++power) + "阶\n" + freq + " Hz";
freqDot.MouseEnter += new MouseEventHandler(freqDot_MouseEnter);
freqDot.MouseLeave += new MouseEventHandler(freqDot_MouseLeave);
xPosition = axisGap + (width - axisGap - dotDiameter) * power / (Impeller.InnerImpeller.VibrationFrequency.Count + 1);
Canvas.SetLeft(freqDot, xPosition);
Canvas.SetBottom(freqDot, freq * heightScale + axisGap);
xAxisItems.Add(GetAxisItemFromPoint(AxisType.X, new Point(xPosition + dotDiameter / 2, height - axisGap), power.ToString()));
dots.Add(freqDot);
}
break;
default:
break;
}
resultCanvas.Children.Add(xAxis);
resultCanvas.Children.Add(yAxis);
resultCanvas.Children.Add(xAxisHeader);
resultCanvas.Children.Add(yAxisHeader);
resultCanvas.Children.Add(yHeader);
resultCanvas.Children.Add(yLine);
foreach (var item in xAxisItems)
{
resultCanvas.Children.Add(item.Label);
resultCanvas.Children.Add(item.Mark);
}
foreach (var item in yAxisItems)
{
resultCanvas.Children.Add(item.Label);
resultCanvas.Children.Add(item.Mark);
}
foreach (var dot in dots)
{
resultCanvas.Children.Add(dot);
}
}
