public void Test_MultiPlot_MatchJustOneAxis()
{
ScottPlot.MultiPlot multiplot = SampleMultiPlot();
multiplot.subplots[1].MatchAxis(multiplot.subplots[3], horizontal: false);
multiplot.subplots[1].MatchLayout(multiplot.subplots[3], horizontal: false);
multiplot.subplots[1].Title("#1 (matched vertical to #3)");
multiplot.subplots[2].MatchAxis(multiplot.subplots[3], vertical: false);
multiplot.subplots[2].MatchLayout(multiplot.subplots[3], vertical: false);
multiplot.subplots[2].Title("#2 (matched hoizontal to #3)");
string name = System.Reflection.MethodBase.GetCurrentMethod().Name;
string filePath = System.IO.Path.GetFullPath(name + ".png");
multiplot.SaveFig(filePath);
Console.WriteLine($"Saved {filePath}");
DisplayAxisInfo(multiplot);
var matchedVerticalLimits = new ScottPlot.Config.AxisLimits2D(multiplot.subplots[1].Axis());
var matchedHorizontalLimits = new ScottPlot.Config.AxisLimits2D(multiplot.subplots[1].Axis());
Assert.That(matchedVerticalLimits.xSpan > 0 && matchedVerticalLimits.ySpan > 0);
Assert.That(matchedHorizontalLimits.xSpan > 0 && matchedHorizontalLimits.ySpan > 0);
}
public void Test_AutoAxis_ShrinkWhenNeeded()
{
Random rand = new Random(0);
var plt = new ScottPlot.Plot();
// small area
plt.PlotLine(-5, -5, 5, 5);
plt.AxisAuto();
var limitsA = new ScottPlot.Config.AxisLimits2D(plt.Axis());
Console.WriteLine($"limits A: {limitsA}");
// expand to large area
plt.Axis(-123, 123, -123, 123);
var limitsB = new ScottPlot.Config.AxisLimits2D(plt.Axis());
Console.WriteLine($"limits B: {limitsB}");
// shrink back to small area
plt.AxisAuto();
var limitsC = new ScottPlot.Config.AxisLimits2D(plt.Axis());
Console.WriteLine($"limits C: {limitsC}");
Assert.That(limitsB.xSpan > limitsC.xSpan);
Assert.That(limitsB.ySpan > limitsC.ySpan);
Assert.That(limitsA.xSpan == limitsC.xSpan);
Assert.That(limitsA.ySpan == limitsC.ySpan);
}
public void Test_ToString_ExpectedOutput()
{
var limits = new ScottPlot.Config.AxisLimits2D(11, 22, 33, 44);
Console.WriteLine(limits);
Assert.AreEqual("x1=11.000, x2=22.000, y1=33.000, y2=44.000", limits.ToString());
}
private void DisplayAxisInfo(ScottPlot.MultiPlot multiplot)
{
for (int i = 0; i < multiplot.subplots.Length; i += 1)
{
var limits = new ScottPlot.Config.AxisLimits2D(multiplot.subplots[i].Axis());
Console.WriteLine($"Subplot index {i} {limits}");
}
}
private (double xUnitsPerPixel, double yUnitsPerPixel) getUnitsPerPixel(ScottPlot.Plot plt)
{
var settings = plt.GetSettings(false);
var limits = new ScottPlot.Config.AxisLimits2D(settings.axes.ToArray());
var xUnitsPerPixel = limits.xSpan / settings.dataSize.Width;
var yUnitsPerPixel = limits.ySpan / settings.dataSize.Height;
return(xUnitsPerPixel, yUnitsPerPixel);
}
public void Test_ExpandXY_ExpectedOutput()
{
var limits = new ScottPlot.Config.AxisLimits2D();
limits.ExpandXY(-10, 20, -30, 40);
Assert.AreEqual(limits.x1, -10);
Assert.AreEqual(limits.x2, 20);
Assert.AreEqual(limits.y1, -30);
Assert.AreEqual(limits.y2, 40);
}
public void Test_ExpandY_ExpectedOutput()
{
var limits = new ScottPlot.Config.AxisLimits2D();
limits.ExpandY(-20, 20);
Assert.IsNaN(limits.x1);
Assert.IsNaN(limits.x2);
Assert.AreEqual(limits.y1, -20);
Assert.AreEqual(limits.y2, 20);
}
public void Test_EmptyConstructor_StartsAsNaN()
{
var limits = new ScottPlot.Config.AxisLimits2D();
Console.WriteLine(limits);
Assert.IsNaN(limits.x1);
Assert.IsNaN(limits.x2);
Assert.IsNaN(limits.y1);
Assert.IsNaN(limits.y2);
}
public void Test_Constructor_StoresValues()
{
var limits = new ScottPlot.Config.AxisLimits2D(11, 22, 33, 44);
Console.WriteLine(limits);
Assert.AreEqual(11, limits.x1);
Assert.AreEqual(22, limits.x2);
Assert.AreEqual(33, limits.y1);
Assert.AreEqual(44, limits.y2);
}
public void Test_MakeRational_WhenXsContainNaN()
{
var limits = new ScottPlot.Config.AxisLimits2D();
limits.ExpandY(-30, 40);
limits.MakeRational();
Console.WriteLine(limits);
Assert.That(limits.x1 < 0);
Assert.That(limits.x1 > -10);
Assert.That(limits.x2 > 0);
Assert.That(limits.x2 < 10);
Assert.That(limits.y1 == -30);
Assert.That(limits.y2 == 40);
}
public void Test_MakeRational_WhenAllAreNaN()
{
var limits = new ScottPlot.Config.AxisLimits2D();
limits.MakeRational();
Assert.That(limits.x1 < 0);
Assert.That(limits.x1 > -10);
Assert.That(limits.x2 > 0);
Assert.That(limits.x2 < 10);
Assert.That(limits.y1 < 0);
Assert.That(limits.y1 > -10);
Assert.That(limits.y2 > 0);
Assert.That(limits.y2 < 10);
}
public void Test_MakeRational_WhenYsContainNaN()
{
var limits = new ScottPlot.Config.AxisLimits2D();
limits.ExpandX(-10, 20);
limits.MakeRational();
Console.WriteLine(limits);
Assert.That(limits.x1 == -10);
Assert.That(limits.x2 == 20);
Assert.That(limits.y1 < 0);
Assert.That(limits.y1 > -10);
Assert.That(limits.y2 > 0);
Assert.That(limits.y2 < 10);
}
public void Test_MultiPlot_MatchAxis()
{
ScottPlot.MultiPlot multiplot = SampleMultiPlot();
// update the lower left (index 2) plot to use the scale of the lower right (index 3)
multiplot.subplots[2].MatchAxis(multiplot.subplots[3]);
multiplot.subplots[2].Title("#2 (matched to #3)");
string name = System.Reflection.MethodBase.GetCurrentMethod().Name;
string filePath = System.IO.Path.GetFullPath(name + ".png");
multiplot.SaveFig(filePath);
Console.WriteLine($"Saved {filePath}");
DisplayAxisInfo(multiplot);
var matchedAxisLimits = new ScottPlot.Config.AxisLimits2D(multiplot.subplots[2].Axis());
Assert.That(matchedAxisLimits.xSpan > 0 && matchedAxisLimits.ySpan > 0);
}
public void Test_AutoAxis_ExpandYonly()
{
Random rand = new Random(0);
var plt = new ScottPlot.Plot();
// small area
plt.PlotLine(-5, -5, 5, 5);
plt.AxisAuto();
var limitsA = new ScottPlot.Config.AxisLimits2D(plt.Axis());
// large area
plt.PlotLine(-99, -99, 99, 99);
plt.AxisAuto(yExpandOnly: true);
var limitsB = new ScottPlot.Config.AxisLimits2D(plt.Axis());
Assert.That(limitsA.xSpan == limitsB.xSpan);
Assert.That(limitsA.ySpan < limitsB.ySpan);
}
