public void Test_AxisAuto_SignalWithMinMaxIndexSet()
{
var plt = new ScottPlot.Plot(400, 300);
var sig = plt.AddSignal(ScottPlot.DataGen.Sin(1000), sampleRate: 10);
sig.MinRenderIndex = 450;
sig.MaxRenderIndex = 550;
plt.AxisAuto();
var limits = plt.GetAxisLimits();
Console.WriteLine($"AutoAxis Limits: {limits}");
Assert.Less(limits.XMin, limits.XMax);
Assert.Less(limits.YMin, limits.YMax);
TestTools.SaveFig(plt);
}
/// <summary>
/// Return a string containing comma-separated labels for all visible horizontal ticks
/// </summary>
public static string GetXTickString(ScottPlot.Plot plt)
{
// enable manual tick measurement so tick density calculations are consistent across operating systems
//plt.XAxis.TickMeasurement(manual: true);
// perform a render to reset the layout
plt.Layout(20, 20, 20, 20);
plt.Render();
// capture the ticks that were just rendered
var limits = plt.GetAxisLimits();
string[] labels = plt.XAxis.GetTicks(limits.XMin, limits.XMax)
.Select(x => x.Label)
.Where(x => !string.IsNullOrEmpty(x))
.ToArray();
return(string.Join(", ", labels));
}
public void Test_AxisAuto_AdjustsAllAxes()
{
var plt = new ScottPlot.Plot(400, 300);
var sig1 = plt.AddSignal(ScottPlot.DataGen.Sin(51));
sig1.XAxisIndex = 0;
sig1.YAxisIndex = 0;
var sig2 = plt.AddSignal(ScottPlot.DataGen.Cos(51));
sig2.XAxisIndex = 1;
sig2.YAxisIndex = 1;
// on startup all axes are reset with AxisAuto()
plt.Render();
plt.AxisAuto();
var originalLimitsPrimary = plt.GetAxisLimits(0);
var originalLimitsSecondary = plt.GetAxisLimits(1);
// zoom out on all axes
plt.AxisZoom(.1, .1, xAxisIndex: 0, yAxisIndex: 0);
plt.AxisZoom(.1, .1, xAxisIndex: 1, yAxisIndex: 1);
var zoomedOutLimitsPrimary = plt.GetAxisLimits(0);
Assert.Greater(zoomedOutLimitsPrimary.XSpan, originalLimitsPrimary.XSpan);
Assert.Greater(zoomedOutLimitsPrimary.YSpan, originalLimitsPrimary.YSpan);
var zoomedOutLimitsSecondary = plt.GetAxisLimits(1);
Assert.Greater(zoomedOutLimitsSecondary.XSpan, originalLimitsSecondary.XSpan);
Assert.Greater(zoomedOutLimitsSecondary.YSpan, originalLimitsSecondary.YSpan);
// call AxisAuto() which is now expected to act on all axes
plt.AxisAuto();
var resetLimitsPrimary = plt.GetAxisLimits(0);
var resetLimitsSecondary = plt.GetAxisLimits(1);
Assert.AreEqual(resetLimitsPrimary.XSpan, originalLimitsPrimary.XSpan);
Assert.AreEqual(resetLimitsPrimary.YSpan, originalLimitsPrimary.YSpan);
Assert.AreEqual(resetLimitsSecondary.XSpan, originalLimitsSecondary.XSpan);
Assert.AreEqual(resetLimitsSecondary.YSpan, originalLimitsSecondary.YSpan);
TestTools.SaveFig(plt);
//var limits = plt.GetAxisLimits();
//Console.WriteLine(limits);
}
public void Test_GetUnit_ReturnsCorrectValue()
{
var plt = new ScottPlot.Plot(600, 400);
plt.AddSignal(ScottPlot.DataGen.Sin(51));
plt.Render();
var limits = plt.GetAxisLimits();
// right edge
Assert.Greater(plt.GetCoordinateX(plt.Width), limits.XCenter);
// left edge
Assert.Less(plt.GetCoordinateX(0), limits.XCenter);
// top edge
Assert.Greater(plt.GetCoordinateY(0), limits.YCenter);
// bottom edge
Assert.Less(plt.GetCoordinateY(plt.Height), limits.YCenter);
}
public void Test_View_LimitsOuter()
{
var plt = new ScottPlot.Plot(400, 300);
plt.AddSignal(ScottPlot.DataGen.Sin(51));
plt.AddSignal(ScottPlot.DataGen.Cos(51));
plt.SetOuterViewLimits(xMin: -123, xMax: 123, yMin: -13, yMax: 13);
TestTools.SaveFig(plt, "1");
for (int i = 0; i < 10; i++)
{
plt.AxisZoom(.5, .5);
}
TestTools.SaveFig(plt, "2");
var limits2 = plt.GetAxisLimits();
Assert.GreaterOrEqual(limits2.XMin, -123);
Assert.GreaterOrEqual(limits2.XMax, 123);
Assert.GreaterOrEqual(limits2.YMin, -13);
Assert.GreaterOrEqual(limits2.YMax, 13);
}
public void Test_View_LimitsInner()
{
var plt = new ScottPlot.Plot(400, 300);
plt.AddSignal(ScottPlot.DataGen.Sin(51));
plt.AddSignal(ScottPlot.DataGen.Cos(51));
plt.SetInnerViewLimits(xMin: 10, xMax: 20, yMin: .1, yMax: .2);
plt.AxisAuto();
TestTools.SaveFig(plt, "1");
for (int i = 0; i < 10; i++)
{
plt.AxisZoom(2, 2);
}
TestTools.SaveFig(plt, "2");
var limits2 = plt.GetAxisLimits();
Assert.LessOrEqual(limits2.XMin, 10);
Assert.LessOrEqual(limits2.XMax, 20);
Assert.LessOrEqual(limits2.YMin, .1);
Assert.LessOrEqual(limits2.YMax, .2);
}
