/// <summary>
/// 初始化数据
/// </summary>
private void initData()
{
CanvasPanel.Children.Clear();
if (this.Datas != null && this.Datas.Count > 0)
{
this.CanvasPanel.Width = this.CanvasPanel.Height = 0;
//求角度比例尺 (每个值占多大的角度 可以算到每一块图所占的角度)
var angelScale = 360.00 / Datas.Sum(i => i.DataValue);
//最大半径
var maxRadius = (MaxSize / 2) - RoseMargin - (ShowValuesLabel ? LabelPathLength : 0);
//半径比例尺 （值和比例尺相乘等于每一块图的半径）
var radiusScale = maxRadius / Datas.Max(o => o.DataValue);
//计算半径宽度值
for (int i = 0; i < Datas.Count; i++)
{
Datas[i].DataRaidus = Datas[i].DataValue * radiusScale;
}
//扇形角度初始化
double angleSectorStart = 0;
double angleSectorEnd = 0;
//循环绘制扇形区域
int scaleTimeSpan = 0;
int pathTimespan = 0;
int textTimeSpan = 0;
for (int index = 0; index < Datas.Count; index++)
{
//计算扇形角度
if (index == 0)
{
angleSectorStart = 0;
angleSectorEnd = Datas[index].DataValue * angelScale;
}
else if (index + 1 == Datas.Count)
{
angleSectorStart += Datas[index - 1].DataValue * angelScale;
angleSectorEnd = 360;
}
else
{
angleSectorStart += Datas[index - 1].DataValue * angelScale;
angleSectorEnd = angleSectorStart + Datas[index].DataValue * angelScale;
}
var currentRadius = RoseInsideMargin + Datas[index].DataRaidus;
//计算扇形点位，用于绘制PATH
Point ptOutSideStart = GetPoint(currentRadius, angleSectorStart * Math.PI / 180);
Point ptOutSideEnd = GetPoint(currentRadius, angleSectorEnd * Math.PI / 180);
Point ptInSideStart = GetPoint(RoseInsideMargin, angleSectorStart * Math.PI / 180);
Point ptInSideEnd = GetPoint(RoseInsideMargin, angleSectorEnd * Math.PI / 180);
if (string.IsNullOrEmpty(Datas[index].RColor))
{
Datas[index].RColor = ChartColorPool.ColorStrings[index];
}
Path pthSector = new Path()
{
Fill = Datas[index].Fill
};
//PATH数据格式 M0,100 L50,100 A50,50 0 0 1 100,50 L100,0 A100,100 0 0 0 0,100 Z
StringBuilder datastrb = new StringBuilder();
#region BuilderPathData
datastrb.Append("M");
datastrb.Append(ptOutSideStart.X.ToString());
datastrb.Append(",");
datastrb.Append(ptOutSideStart.Y.ToString());
datastrb.Append(" L");
datastrb.Append(ptInSideStart.X.ToString());
datastrb.Append(",");
datastrb.Append(ptInSideStart.Y.ToString());
datastrb.Append(" A");
datastrb.Append(RoseInsideMargin.ToString());
datastrb.Append(",");
datastrb.Append(RoseInsideMargin.ToString());
datastrb.Append(" 0 0 1 ");
datastrb.Append(ptInSideEnd.X.ToString());
datastrb.Append(",");
datastrb.Append(ptInSideEnd.Y.ToString());
datastrb.Append(" L");
datastrb.Append(ptOutSideEnd.X.ToString());
datastrb.Append(",");
datastrb.Append(ptOutSideEnd.Y.ToString());
datastrb.Append(" A");
datastrb.Append(currentRadius.ToString());
datastrb.Append(",");
datastrb.Append(currentRadius.ToString());
datastrb.Append(" 0 0 0 ");
datastrb.Append(ptOutSideStart.X.ToString());
datastrb.Append(",");
datastrb.Append(ptOutSideStart.Y.ToString());
datastrb.Append(" Z");
#endregion BuilderPathData
try
{
pthSector.Data = (Geometry) new GeometryConverter().ConvertFromString(datastrb.ToString());
}
catch (Exception exp)
{ }
//设置扇形显示的动画
AnimationUtils.FloatElement(pthSector, 1, 200, pathTimespan += 200);
AnimationUtils.ScaleRotateEasingAnimationShow(pthSector, 0.1, 1, 1500, scaleTimeSpan += 200, null);
CanvasPanel.Children.Add(pthSector);
if (ShowValuesLabel)
{
//计算延伸线角度
double lbPathAngle = angleSectorStart + (angleSectorEnd - angleSectorStart) / 2;
//起点
Point ptLbStart = GetPoint(currentRadius, lbPathAngle * Math.PI / 180);
//终点
Point ptLbEnd = GetPoint(maxRadius + LabelPathLength, lbPathAngle * Math.PI / 180);
Path pthLb = new Path()
{
Stroke = Datas[index].Stroke, StrokeThickness = 1
};
pthLb.Data = (Geometry) new GeometryConverter().ConvertFromString(string.Format("M{0},{1} {2},{3}", ptLbStart.X.ToString(), ptLbStart.Y.ToString(), ptLbEnd.X.ToString(), ptLbEnd.Y.ToString()));
double dur = (textTimeSpan += 200) + 1500;
AnimationUtils.CtrlDoubleAnimation(pthLb, 1000, dur);
CanvasPanel.Children.Add(pthLb);
SetLabel(Datas[index], ptLbEnd, dur);
}
}
this.SizeChanged -= RadarControl_SizeChanged;
this.SizeChanged += RadarControl_SizeChanged;
}
}
private void RadarChartControl_OnLoaded(object sender, RoutedEventArgs e)
{
if (!CheckData())
{
throw new Exception("RadarChart的数据之间不匹配!请重新配置!");
}
//获取最大数值
int maxData = Datas.Max(i => i.DataList.Max(o => o.Data));
//设置面板和背景
SetCanvasAndBackground(maxData);
//设置数据标题
SetDataTitle(Datas);
//获取半圈大小
double length = Size / 2 / maxData;
//连接点半径
int ellipseR = EllipseSize / 2;
foreach (var chartItem in Datas)
{
var color = chartItem.Color;
//俩个多边形,一个设置背景,一个设置边框
Polygon polygonArea = new Polygon()
{
Fill = color, Opacity = 0.2, StrokeThickness = 0
};
Polygon polygonBorder = new Polygon()
{
Fill = Brushes.Transparent, Stroke = color, StrokeThickness = 0.8
};
int index = 0;
foreach (var data in chartItem.DataList)
{
double currentAngle = Angle * index + 90;
double angle = (currentAngle / 360) * 2 * Math.PI;
var r = data.Data * length;
double x = Size / 2 + r * Math.Cos(angle);
double y = Size / 2 - r * Math.Sin(angle);
//多边形添加节点
var point = new Point()
{
X = x,
Y = y
};
polygonArea.Points.Add(point);
polygonBorder.Points.Add(point);
//设置节点Style
var ellipse = new Ellipse()
{
Width = EllipseSize, Height = EllipseSize, Fill = color
};
Canvas.SetLeft(ellipse, x - ellipseR);
Canvas.SetTop(ellipse, y - ellipseR);
ChartCanvas.Children.Add(ellipse);
index++;
}
ChartCanvas.Children.Add(polygonArea);
ChartCanvas.Children.Add(polygonBorder);
}
//设置标题
SetArguments();
}
/// <summary>
/// 设置数据显示
/// </summary>
private void InitalData()
{
CanvasPanel.Children.Clear();
if (Datas != null && Datas.Count > 0)
{
this.CanvasPanel.Width = this.CanvasPanel.Height = 0;
//计算比例尺
var scale = ((MaxSize / 2) - RadarNetMargin) / Datas.Max(i => i.DataValue);
//计算实际半径
for (int i = 0; i < Datas.Count; i++)
{
Datas[i].DataRaidus = Datas[i].DataValue * scale;
}
//获取最大数值
double maxData = Datas.Max(i => i.DataRaidus);
//计算纬线间距半径
double length = maxData / LatitudeCount;
for (int index = 1; index < LatitudeCount + 1; index++)
{
//多边形半径
var r = length * index;
Polygon polygonBorder = new Polygon()
{
Fill = Brushes.Transparent, Stroke = RadarNetBrush, StrokeThickness = RadarNetThickness
};
//绘制多边形
for (int currentIndex = 0; currentIndex < Datas.Count; currentIndex++)
{
double angle = ((Angle * currentIndex + 90) / 360) * 2 * Math.PI;
polygonBorder.Points.Add(new Point(r * Math.Cos(angle), r * Math.Sin(angle)));
}
CanvasPanel.Children.Add(polygonBorder);
}
//数值区域多边形
Polygon polygonArea = new Polygon()
{
Fill = AreaBrush, Opacity = 0.5, Stroke = AreaPointBrush, StrokeThickness = 5
};
//经线长度
var maxRadius = LatitudeCount * length;
List <Ellipse> ellipselst = new List <Ellipse>();
Dictionary <RadarObj, Point> valuesLabelLocations = new Dictionary <RadarObj, Point>();
Dictionary <RadarObj, Point> groupLabelLocations = new Dictionary <RadarObj, Point>();
//绘制数据多边形
for (int Index = 0; Index < Datas.Count; Index++)
{
//计算角度
double angle = ((Angle * Index + 90) / 360) * 2 * Math.PI;
//计算距离值
var cou = Datas[Index].DataRaidus / length; //计算倍距
var rac = Datas[Index].DataRaidus % length; //计算余距
double Radius = cou * length + rac;
//超过最大半径则设置为最大半径
if (Radius > maxRadius)
{
Radius = maxRadius;
}
Point pt = new Point(Radius * Math.Cos(angle), Radius * Math.Sin(angle));
polygonArea.Points.Add(pt);
valuesLabelLocations.Add(Datas[Index], new Point((Radius) * Math.Cos(angle), (Radius) * Math.Sin(angle))); //记录点位标注标识
//设置数值点，如果数值点尺寸大于0则绘制
if (AreaPointSize > 0)
{
var ellipse = new Ellipse()
{
Width = AreaPointSize, Height = AreaPointSize, Fill = AreaPointBrush
};
//var ellipse = new Ellipse() { Width = AreaPointSize, Height = AreaPointSize, Fill = Datas[Index].Fill }; AreaPointBrush
Canvas.SetLeft(ellipse, pt.X - (AreaPointSize / 2));
Canvas.SetTop(ellipse, pt.Y - (AreaPointSize / 2));
ellipselst.Add(ellipse);
}
Point ptMax = new Point(maxRadius * Math.Cos(angle), maxRadius * Math.Sin(angle));
//记录组点位标注标识
groupLabelLocations.Add(Datas[Index], new Point((maxRadius + 20) * Math.Cos(angle), (maxRadius + 20) * Math.Sin(angle)));
//绘制经线
Path pth = new Path()
{
Stroke = RadarNetBrush, StrokeThickness = RadarNetThickness
};
// Path pth = new Path() { Stroke = Datas[Index].Stroke, StrokeThickness = RadarNetThickness };
pth.Data = (Geometry) new GeometryConverter().ConvertFromString(String.Format("M0,0 {0},{1}", ptMax.X.ToString(), ptMax.Y.ToString()));
CanvasPanel.Children.Add(pth);
}
CanvasPanel.Children.Add(polygonArea);
//绘点
foreach (var elc in ellipselst)
{
CanvasPanel.Children.Add(elc);
}
//标注值标签
if (ShowValuesLabel)
{
foreach (var item in valuesLabelLocations)
{
// SetLabel(item.Key, item.Value, false);
}
}
//标注组标签
if (ShowGroupsLabel)
{
foreach (var item in groupLabelLocations)
{
SetLabel(item.Key, item.Value, true);
}
}
this.SizeChanged -= RadarControl_SizeChanged;
this.SizeChanged += RadarControl_SizeChanged;
}
}