public Chart(PatientModel model, InspectionModel currentInspection, bool ageChart = true)
{
InitializeComponent();
pwi = new PatientWithInspection();
pwi.Patient = model;
pwi.Inspection = currentInspection;
this.leftEye = leftEye;
DataContext = pwi;
this.ageChart = ageChart;
if (!ageChart)
{
tbDesc.Text = "身 高（0-180cm）";
}
DrawArea(model);
}
void DrawArea(PatientModel model)
{
var maxAge = model.Inspections.Max(p => p.Age);
var minAge = model.Inspections.Min(p => p.Age);
//var maxEyeSight = models.Max(p => p.EyeSight);
//var minEyeSight = models.Min(p => p.EyeSight);
//刻度长度，用来画轴线上的标记刻度的
const double margin = 5;
//scale为轴的两端空余px
const double xscale = 50;
double xmin = xscale;
double xmax = (int)canGraph.Width;
const double yscale = 50;
double ymin = yscale;
double ymax = (int)canGraph.Height - yscale;
double yLength = ymax - ymin;
//坐标轴分成多少份
var sectionCounts = 10;
//x坐标使用年龄以月为单位，从0-216个月即18岁为止，所以步长为4，共216个刻度698宽
double xstep = 3;
//y1坐标使用屈光度，从-20到+30,步长6，共100个刻度600高
double y1step = 6;
//y2坐标眼轴，从 5到35，共30高度分为300个刻度
double y2step = 3;
//坐标原点，在y最大值的3分之2处
var oiriginPositionYSPH = 601;
var oiriginPositionYAxial = 601;
var xAxis = 468;
var originPostionX = 0;
//x轴
DrawAxis(new Point(xmin, xAxis), new Point(canGraph.Width, xAxis), 180, 18);
//y轴
DrawAxis(new Point(xmin, 0), new Point(xmin, canGraph.Height), 180, 45);
//DrawAxis(new Point(xmax, 0), new Point(xmax, canGraph.Height), 180);
var orderedModels = model.Inspections.OrderBy(p => p.Age).ToList();
var pxPerAge = 3.6111;
var pxPerHeight = 3.6111;
var pxPerSPH = 13.33;
var pxPerEyeAxial = 13.33;
var pointsAgeLeftAxial = new PointCollection();
var pointsAgeRightAxial = new PointCollection();
var pointsAgeLeftSPH = new PointCollection();
var pointsAgeRightSPH = new PointCollection();
var pointsHeightLeftAxial = new PointCollection();
var pointsHeightRightAxial = new PointCollection();
var pointsHeightLeftSPH = new PointCollection();
var pointsHeightRightSPH = new PointCollection();
var heightOrderedModels = model.Inspections.OrderBy(p => p.Height).ToList();
if (!ageChart)
{
//画点连线，身高
for (int i = 0; i < heightOrderedModels.Count; i++)
{
var x = xmin + orderedModels[i].Height * pxPerHeight;
var yLeftEyeSPH = oiriginPositionYSPH + ((orderedModels[i].LeftEye.SPH - 10) * pxPerSPH);
var yRightEyeSPH = oiriginPositionYSPH + ((orderedModels[i].RightEye.SPH - 10) * pxPerSPH);
var yLeftEyeAxial = oiriginPositionYAxial - ((orderedModels[i].LeftEye.EyeAxial + 10) * pxPerEyeAxial);
var yRightEyeAxial = oiriginPositionYAxial - ((orderedModels[i].RightEye.EyeAxial + 10) * pxPerEyeAxial);
pointsHeightLeftSPH.Add(new Point(x, yLeftEyeSPH));
pointsHeightRightSPH.Add(new Point(x, yRightEyeSPH));
pointsHeightLeftAxial.Add(new Point(x, yLeftEyeAxial));
pointsHeightRightAxial.Add(new Point(x, yRightEyeAxial));
}
}
else
{
//画点连线，年龄
for (int i = 0; i < orderedModels.Count; i++)
{
//月份x每月占像素，先把岁转成月，后续按照实际月份来算
var x = xmin + orderedModels[i].Age * pxPerAge;
//y轴有些不同，y的最大值是坐标0点，但是在画布上是左下角点（即top大，left0的点）
//所以用视力的最大值去减，得到的结果就从y的最小值上按比例加，越大越靠上方
//ymax / 2作为0点，+-要根据屈光度取反（为了对应坐标轴）
//左眼
var yLeftEyeSPH = oiriginPositionYSPH + ((orderedModels[i].LeftEye.SPH - 10) * pxPerSPH);
var yRightEyeSPH = oiriginPositionYSPH + ((orderedModels[i].RightEye.SPH - 10) * pxPerSPH);
var yLeftEyeAxial = oiriginPositionYAxial - ((orderedModels[i].LeftEye.EyeAxial + 10) * pxPerEyeAxial);
var yRightEyeAxial = oiriginPositionYAxial - ((orderedModels[i].RightEye.EyeAxial + 10) * pxPerEyeAxial);
pointsAgeLeftSPH.Add(new Point(x, yLeftEyeSPH));
pointsAgeRightSPH.Add(new Point(x, yRightEyeSPH));
pointsAgeLeftAxial.Add(new Point(x, yLeftEyeAxial));
pointsAgeRightAxial.Add(new Point(x, yRightEyeAxial));
}
}
//年龄
Polyline polylineAgeLeftSPH = new Polyline();
polylineAgeLeftSPH.StrokeThickness = 2;
polylineAgeLeftSPH.Stroke = Brushes.Red;
polylineAgeLeftSPH.Points = pointsAgeLeftSPH;
Polyline polylineRightSPH = new Polyline();
polylineRightSPH.StrokeThickness = 2;
polylineRightSPH.Stroke = Brushes.Blue;
polylineRightSPH.Points = pointsAgeRightSPH;
Polyline polylineAgeLeftAxial = new Polyline();
polylineAgeLeftAxial.StrokeThickness = 2;
polylineAgeLeftAxial.Stroke = Brushes.Yellow;
polylineAgeLeftAxial.Points = pointsAgeLeftAxial;
Polyline polylineRightAxial = new Polyline();
polylineRightAxial.StrokeThickness = 2;
polylineRightAxial.Stroke = Brushes.Green;
polylineRightAxial.Points = pointsAgeRightAxial;
canGraph.Children.Add(polylineAgeLeftSPH);
canGraph.Children.Add(polylineRightSPH);
canGraph.Children.Add(polylineAgeLeftAxial);
canGraph.Children.Add(polylineRightAxial);
//身高
Polyline p1 = new Polyline();
p1.StrokeThickness = 2;
p1.Stroke = Brushes.Red;
p1.Points = pointsHeightLeftSPH;
Polyline p2 = new Polyline();
p2.StrokeThickness = 2;
p2.Stroke = Brushes.Blue;
p2.Points = pointsHeightRightSPH;
Polyline p3 = new Polyline();
p3.StrokeThickness = 2;
p3.Stroke = Brushes.Yellow;
p3.Points = pointsHeightLeftAxial;
Polyline p4 = new Polyline();
p4.StrokeThickness = 2;
p4.Stroke = Brushes.Green;
p4.Points = pointsHeightRightAxial;
canGraph.Children.Add(p1);
canGraph.Children.Add(p2);
canGraph.Children.Add(p3);
canGraph.Children.Add(p4);
}