public const double ARH_TO_SHOW_INCREMENT = 0.05; //相对湿度的增量
public static void GetAtmosphereTables(out double[] temps, out double[] svps, out double[] arhs)
{
//获取温度列表
double startTemp = (double)TEMP_MIN;; //TODO: xaml中改成绑定常量的形式
temps = new double[TEMP_LENGTH];
//获取温度对应的饱和水蒸气分压力列表
svps = new double[TEMP_LENGTH];
//要显示的相对湿度列表
arhs = new double[ARH_LINE_COUNT];
//mcs = new double[ARH_LINE_COUNT][];
for (int i = 0; i < ARH_LINE_COUNT; i++)
{
arhs[i] = ARH_TO_SHOW_MIN + i * ARH_TO_SHOW_INCREMENT;
//mcs[i] = new double[TEMP_LENGTH];
}
for (int i = 0; i < TEMP_LENGTH; i++)
{
temps[i] = startTemp;
startTemp += TEMP_INCREMENT;
svps[i] = HSAtmosphere.SaturationVaporPressure(temps[i]);
}
}
void InitChart()
{
LinesDatabase.GetAtmosphereTables(out _tempsList, out _svpList, out _arhToShowList);
for (int j = 0; j < LinesDatabase.ARH_LINE_COUNT; j++)
{
LineSeries ls = new LineSeries
{
Values = new ChartValues <ObservablePoint> {
},
LineSmoothness = 0,
Fill = Brushes.Transparent,
PointGeometrySize = 0,
//DataLabels = true,
};
VisualElement ve = new VisualElement
{
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Bottom,
UIElement = new HSVEControl(_arhToShowList[j])
};
double lastX = 0;
double lastY = 0;
bool hasShowEV = false;
for (int i = 0; i < LinesDatabase.TEMP_LENGTH; i++)
{
//数据计算
double mc = HSAtmosphere.MoistureContent(_svpList[i], _arhToShowList[j], _pressure);
var op = new ObservablePoint(mc, _tempsList[i]);
//显示线
ls.Values.Add(op);
if (!hasShowEV)
{
if (_tempsList[i] >= LinesDatabase.TEMP_MAX)
{
hasShowEV = true;
lastX = mc;
lastY = _tempsList[i];
}
else if (mc >= LinesDatabase.MC_MAX)
{
hasShowEV = true;
lastX = LinesDatabase.MC_MAX;
lastY = _tempsList[i];
}
}
}
_seriesCollection.Add(ls);
//显示标志
ve.X = lastX;
ve.Y = lastY;
_cartesianVisuals.Add(ve);
}
}
public void UpdateChart(double pressure)
{
for (int j = 0; j < LinesDatabase.ARH_LINE_COUNT; j++)
{
double lastX = 0;
double lastY = 0;
bool hasShowEV = false;
for (int i = 0; i < LinesDatabase.TEMP_LENGTH; i++)
{
//数据计算
double mc = HSAtmosphere.MoistureContent(_svpList[i], _arhToShowList[j], pressure);
// var op = new ObservablePoint(mc, _tempsList[i]);
//显示线
ObservablePoint op = (ObservablePoint)_seriesCollection[j].Values[i];
op.X = mc;
op.Y = _tempsList[i];
if (!hasShowEV)
{
if (_tempsList[i] >= LinesDatabase.TEMP_MAX)
{
hasShowEV = true;
lastX = mc;
lastY = _tempsList[i];
}
else if (mc >= LinesDatabase.MC_MAX)
{
hasShowEV = true;
lastX = LinesDatabase.MC_MAX;
lastY = _tempsList[i];
}
}
}
//SeriesCollection.Add(ls);
//显示标志
_cartesianVisuals[j].X = lastX;
_cartesianVisuals[j].Y = lastY;
//CartesianVisuals.Add(ve);
}
}
public HSAtmosphereViewModel()
{
_atmosphere = new HSAtmosphere();
}