private void UpdatePlot()
{
var pm = new PlotModel(this.year.ToString(), "data from gapminder.org")
{
LegendPosition = LegendPosition.RightBottom
};
var ss = new ScatterSeries
{
MarkerType = MarkerType.Circle,
MarkerFill = OxyColors.Transparent,
MarkerStroke = OxyColors.Blue,
MarkerStrokeThickness = 1
};
var piX = typeof(Statistics).GetProperty("GdpPerCapitaPpp");
var piY = typeof(Statistics).GetProperty("LifeExpectancyAtBirth");
var piSize = typeof(Statistics).GetProperty("Population");
var piColor = typeof(Statistics).GetProperty("GeographicRegion");
foreach (var kvp in Countries)
{
Country country = kvp.Value;
double x = country.FindValue(year, piX);
double y = country.FindValue(year, piY);
double size = country.FindValue(year, piSize);
if (double.IsNaN(x) || double.IsNaN(y))
{
continue;
}
ss.Points.Add(new ScatterPoint(x, y, double.NaN, double.NaN, country.Name));
//double radius = 4;
//if (!double.IsNaN(size))
// radius = Math.Sqrt(size)*0.1;
//if (radius < 4) radius = 4;
//if (radius > 40) radius = 40;
//ss.MarkerSizes.Add(radius);
// Debug.WriteLine(countryName+": "+stats.Population);
}
pm.Series.Add(ss);
if (SelectedCountry != null)
{
var ls = new LineSeries(SelectedCountry.Name);
ls.LineJoin = OxyPenLineJoin.Bevel;
foreach (var p in SelectedCountry.Statistics)
{
if (double.IsNaN(p.GdpPerCapitaPpp) || double.IsNaN(p.LifeExpectancyAtBirth))
{
continue;
}
ls.Points.Add(new DataPoint(p.GdpPerCapitaPpp, p.LifeExpectancyAtBirth));
}
pm.Series.Add(ls);
var ss2 = new ScatterSeries();
double x = SelectedCountry.FindValue(year, piX);
double y = SelectedCountry.FindValue(year, piY);
ss2.Points.Add(new ScatterPoint(x, y, 10));
ss2.MarkerFill = OxyColor.FromAColor(120, OxyColors.Red);
ss2.MarkerType = MarkerType.Circle;
pm.Series.Add(ss2);
}
pm.Axes.Add(new LinearAxis(AxisPosition.Left, 19, 87, "Life expectancy (years)"));
pm.Axes.Add(new LogarithmicAxis(AxisPosition.Bottom, 200, 90000, "Income per person (GDP/capita, PPP$ inflation-adjusted)"));
PlotModel = pm;
}