public void Test_OutsideOfRenderLimitsNotAllXsAscend_ValidateDataDoesNotThrowException()
{
int pointCount = 1000;
int minRenderIndex = 100;
int maxRenderIndex = 200;
double[] ys = new double[pointCount];
double[] xs = new double[pointCount];
for (int i = 0; i < minRenderIndex; i++)
{
ys[i] = double.MaxValue;
xs[i] = double.MaxValue;
}
for (int i = minRenderIndex; i <= maxRenderIndex; i++)
{
ys[i] = i;
xs[i] = i;
}
var plt = new ScottPlot.Plot(500, 350);
var signalXY = plt.AddSignalXY(xs, ys);
signalXY.MinRenderIndex = minRenderIndex;
signalXY.MaxRenderIndex = maxRenderIndex;
Assert.DoesNotThrow(() => { plt.Render(); });
}
public void Test_SignalXY_ExtrapolateIdenticalPoints()
{
double[] ys = new double[10000];
double[] xs = ys.Select(x => double.PositiveInfinity).ToArray();
double r = 0.0;
for (int i = 0; i < ys.Length; i++)
{
r += 0.005;
xs[i] = r;
ys[i] = Math.Sin(r);
}
var plt = new ScottPlot.Plot(1200, 800);
plt.AddSignalXY(xs, ys);
plt.AxisAutoY();
plt.XAxis.Dims.SetAxis(min: r - 10.0, r);
plt.Validate(deep: true);
plt.GetSettings(false).IgnoreOverflowExceptionsDuringRender = false;
// before the fix this used to throw:
//Assert.Throws<OverflowException>(() => plt.Render());
// after ths fix there is no more exception:
Assert.DoesNotThrow(() => plt.Render());
}
public void Test_SignalXY_RenderLimits()
{
Random rand = new Random(0);
double[] xs = ScottPlot.DataGen.Consecutive(100_000);
double[] ys = ScottPlot.DataGen.RandomWalk(rand, 100_000);
var plt = new ScottPlot.Plot(500, 350);
var sig = plt.AddSignalXY(xs, ys);
sig.MinRenderIndex = 4_000;
sig.MaxRenderIndex = 5_000;
plt.SetAxisLimits(yMin: -200, yMax: 200);
TestTools.SaveFig(plt);
}
public void Test_SignalXY_SinglePointShouldDrawMarker()
{
double[] dataX = { 42 };
double[] dataY = { 69 };
var plt = new ScottPlot.Plot(400, 300);
plt.AddSignalXY(dataX, dataY);
var meanPixel = new MeanPixel(plt);
Assert.That(meanPixel.IsNotGray());
TestTools.SaveFig(plt);
}
public void Test_NotAllXsAscend_ThrowsException()
{
// generate random, NOT-ALL-ascending, unevenly-spaced data
Random rand = new Random(0);
int pointCount = 100_000;
double[] ys = new double[pointCount];
double[] xs = new double[pointCount];
for (int i = 1; i < ys.Length; i++)
{
ys[i] = ys[i - 1] + rand.NextDouble() - .5;
xs[i] = xs[i - 1] + rand.NextDouble() - .25; // may be <0
}
var plt = new ScottPlot.Plot(500, 350);
Assert.Throws <ArgumentException>(() => { plt.AddSignalXY(xs, ys); });
}
public void Test_SignalXY_FillBelow_ZoomOut()
{
// addresses issue #1476 where zooming far out causes the width of the
// fill to be zero and a hard crash
// https://github.com/ScottPlot/ScottPlot/issues/1476
var plt = new ScottPlot.Plot(400, 300);
var line = plt.AddSignalXY(
xs: ScottPlot.DataGen.Consecutive(100),
ys: ScottPlot.DataGen.RandomWalk(100));
line.FillBelow();
for (int i = 0; i < 10; i++)
{
plt.AxisZoom(.1, .1);
plt.Render();
}
}
public void Test_AscendingUnevenlySpacedXs_ShouldRenderWell()
{
// generate random, ascending, unevenly-spaced data
Random rand = new Random(0);
int pointCount = 100_000;
double[] ys = new double[pointCount];
double[] xs = new double[pointCount];
for (int i = 1; i < ys.Length; i++)
{
ys[i] = ys[i - 1] + rand.NextDouble() - .5;
xs[i] = xs[i - 1] + rand.NextDouble();
}
var plt = new ScottPlot.Plot(500, 350);
plt.AddSignalXY(xs, ys);
plt.SetAxisLimits(20530, 20560, -61, -57);
TestTools.SaveFig(plt);
}
