public void Render(PlotDimensions dims, Bitmap bmp, bool lowQuality = false)
{
List <double> xList = new List <double>();
List <double> yList = new List <double>();
PointCount = (int)dims.DataWidth;
for (int columnIndex = 0; columnIndex < dims.DataWidth; columnIndex++)
{
double x = columnIndex * dims.UnitsPerPxX + dims.XMin;
try
{
double?y = function(x);
if (y is null)
{
throw new NoNullAllowedException();
}
if (double.IsNaN(y.Value) || double.IsInfinity(y.Value))
{
throw new ArithmeticException("not a real number");
}
xList.Add(x);
yList.Add(y.Value);
}
catch (Exception e) //Domain error, such log(-1) or 1/0
{
Debug.WriteLine($"Y({x}) failed because {e}");
continue;
}
}
// create a temporary scatter plot and use it for rendering
double[] xs = xList.ToArray();
double[] ys = yList.ToArray();
var scatter = new PlottableScatter(xs, ys)
{
color = color,
lineWidth = lineWidth,
markerSize = 0,
label = label,
markerShape = MarkerShape.none,
lineStyle = lineStyle
};
scatter.Render(dims, bmp, lowQuality);
}
public override void Render(Settings settings)
{
double step = settings.xAxisUnitsPerPixel;
double minRenderedX = settings.axes.limits[0];
double maxRenderedX = settings.axes.limits[1];
int maxSeriesLength = (int)Math.Ceiling((maxRenderedX - minRenderedX) / step);
lastNumberOfPointsDisplayed = maxSeriesLength;
List <double> xList = new List <double>();
List <double> yList = new List <double>();
for (int i = 0; i < maxSeriesLength; i++)
{
double x = i * step + minRenderedX;
double?y;
try
{
y = function(x);
}
catch (Exception e) //Domain error, such log(-1) or 1/0
{
Debug.WriteLine(e);
continue;
}
if (y.HasValue)
{
if (double.IsNaN(y.Value) || double.IsInfinity(y.Value))
{// double.IsInfinity checks for positive or negative infinity
continue;
}
xList.Add(x);
yList.Add(y.Value);
}
}
PlottableScatter scatter = new PlottableScatter(xList.ToArray(), yList.ToArray(), color, lineWidth, markerSize, label, null, null, 0, 0, false, markerShape, lineStyle);
scatter.Render(settings);
}
public override void Render(Settings settings)
{
double step = 1 / (settings.xAxisUnitsPerPixel * 250); // 250 may not be ideal, bigger number is more smooth, but less performant
int maxSeriesLength = (int)Math.Ceiling((maxX - minX) / step);
List <double> xList = new List <double>();
List <double> yList = new List <double>();
for (int i = 0; i < maxSeriesLength; i++)
{
double x = i * step + minX;
double?y;
try
{
y = function(x);
}
catch (Exception e) //Domain error, such log(-1) or 1/0
{
Debug.WriteLine(e);
continue;
}
if (y.HasValue)
{
xList.Add(x);
yList.Add(y.Value);
}
//Console.WriteLine($"({xs[i]},{ys[i]})");
}
PlottableScatter scatter = new PlottableScatter(xList.ToArray(), yList.ToArray(), color, lineWidth, markerSize, label, null, null, 0, 0, false, markerShape, lineStyle);
scatter.Render(settings);
}
