private void DrawAxisTests(Context ctx, Rectangle bounds)
{
Rectangle boundingBox;
Point tl = Point.Zero;
Point br = Point.Zero;;
tl.X = bounds.Left + 30; tl.Y = bounds.Top + 20;
br.X = bounds.Right - 30; br.Y = bounds.Top + 20;
LogAxis log = new LogAxis(1, 10000);
log.Draw(ctx, tl, br, out boundingBox);
log.Reversed = true;
tl.Y += 50; br.Y += 50;
log.Draw(ctx, br, tl, out boundingBox);
// Test for default TicksAngle on positive X-axis, ie Ticks below X-axis
LogAxis lx = new LogAxis(100, 100000);
lx.NumberFormat = "{0:0.0E+0}";
tl.X = bounds.Left + 30; tl.Y = bounds.Bottom - 60;
br.X = bounds.Right - 30; br.Y = bounds.Bottom - 60;
lx.Draw(ctx, tl, br, out boundingBox);
}
private void checkBox12_CheckedChanged(object sender, EventArgs e)
{
// y axis
LogAxis logay = new LogAxis(myPlot.YAxis1);
logay.WorldMin = 1;
logay.WorldMax = 10;
logay.AxisColor = Color.Red;
logay.LabelColor = Color.Red;
logay.TickTextColor = Color.Red;
logay.LargeTickStep = 1.0f;
logay.Label = "x^2";
this.myPlot.YAxis1 = logay;
}
public PlotLogLin()
{
infoText = "";
infoText += "LogLin Example. Demonstrates - \n";
infoText += " * How to chart data against log axes and linear axes at the same time. \n";
infoText += " * Click a Start point and drag to an End point to Measure the plots";
plotSurface.Clear();
// draw a fine grid.
Grid fineGrid = new Grid();
fineGrid.VerticalGridType = Grid.GridType.Fine;
fineGrid.HorizontalGridType = Grid.GridType.Fine;
plotSurface.Add(fineGrid);
const int npt = 101;
float[] x = new float[npt];
float[] y = new float[npt];
float step = 0.1f;
for (int i = 0; i < npt; ++i)
{
x[i] = i * step - 5.0f;
y[i] = (float)Math.Pow(10.0, x[i]);
}
float xmin = x[0];
float xmax = x[npt - 1];
float ymin = (float)Math.Pow(10.0, xmin);
float ymax = (float)Math.Pow(10.0, xmax);
LinePlot lp = new LinePlot();
lp.OrdinateData = y;
lp.AbscissaData = x;
lp.Pen = new Pen(Color.Red);
plotSurface.Add(lp);
LogAxis loga = new LogAxis(plotSurface.YAxis1);
loga.WorldMin = ymin;
loga.WorldMax = ymax;
loga.AxisColor = Color.Red;
loga.LabelColor = Color.Red;
loga.TickTextColor = Color.Red;
loga.LargeTickStep = 1.0f;
loga.Label = "10^x";
plotSurface.YAxis1 = loga;
Measure m1 = new Measure(Color.Black);
plotSurface.AddInteraction(m1);
LinePlot lp1 = new LinePlot();
lp1.OrdinateData = y;
lp1.AbscissaData = x;
lp1.Pen = new Pen(Color.Blue);
plotSurface.Add(lp1, XAxisPosition.Bottom, YAxisPosition.Right);
LinearAxis lin = new LinearAxis(plotSurface.YAxis2);
lin.WorldMin = ymin;
lin.WorldMax = ymax;
lin.AxisColor = Color.Blue;
lin.LabelColor = Color.Blue;
lin.TickTextColor = Color.Blue;
lin.Label = "10^x";
plotSurface.YAxis2 = lin;
LinearAxis lx = (LinearAxis)plotSurface.XAxis1;
lx.WorldMin = xmin;
lx.WorldMax = xmax;
lx.Label = "x";
//((LogAxis)plotSurface.YAxis1).LargeTickStep = 2;
plotSurface.Title = "Mixed Linear/Log Axes";
//plotSurface.XAxis1.LabelOffset = 20.0f;
plotSurface.Refresh();
}
public void CreatePlot(InteractivePlotSurface2D plotSurface)
{
plotSurface.Clear();
// draw a fine grid.
Grid fineGrid = new Grid();
fineGrid.VerticalGridType = Grid.GridType.Fine;
fineGrid.HorizontalGridType = Grid.GridType.Fine;
plotSurface.Add(fineGrid);
const int npt = 101;
float[] x = new float[npt];
float[] y = new float[npt];
float step = 0.1f;
for (int i = 0; i < npt; ++i)
{
x[i] = i * step - 5.0f;
y[i] = (float)Math.Pow(10.0, x[i]);
}
float xmin = x[0];
float xmax = x[npt - 1];
float ymin = (float)Math.Pow(10.0, xmin);
float ymax = (float)Math.Pow(10.0, xmax);
LinePlot lp = new LinePlot();
lp.OrdinateData = y;
lp.AbscissaData = x;
lp.Pen = new Pen(Color.Red);
plotSurface.Add(lp);
LogAxis loga = new LogAxis(plotSurface.YAxis1);
loga.WorldMin = ymin;
loga.WorldMax = ymax;
loga.AxisColor = Color.Red;
loga.LabelColor = Color.Red;
loga.TickTextColor = Color.Red;
loga.LargeTickStep = 1.0f;
loga.Label = "10^x";
plotSurface.YAxis1 = loga;
LinePlot lp1 = new LinePlot();
lp1.OrdinateData = y;
lp1.AbscissaData = x;
lp1.Pen = new Pen(Color.Blue);
plotSurface.Add(lp1, PlotSurface2D.XAxisPosition.Bottom, PlotSurface2D.YAxisPosition.Right);
LinearAxis lin = new LinearAxis(plotSurface.YAxis2);
lin.WorldMin = ymin;
lin.WorldMax = ymax;
lin.AxisColor = Color.Blue;
lin.LabelColor = Color.Blue;
lin.TickTextColor = Color.Blue;
lin.Label = "10^x";
plotSurface.YAxis2 = lin;
LinearAxis lx = (LinearAxis)plotSurface.XAxis1;
lx.WorldMin = xmin;
lx.WorldMax = xmax;
lx.Label = "x";
//((LogAxis)plotSurface.YAxis1).LargeTickStep = 2;
plotSurface.Title = "Mixed Linear/Log Axes";
//plotSurface.XAxis1.LabelOffset = 20.0f;
plotSurface.Refresh();
}
public PlotLogLog()
{
infoText = "";
infoText += "LogLog Example. Demonstrates - \n";
infoText += " * How to chart data against log axes and linear axes at the same time. \n";
infoText += " * Plot Drag (Vertical) - try clicking and dragging in the Plot area \n";
infoText += " * Plot Drag (Vertical) - try Ctrl + clicking and dragging in the Plot area";
// log log plot
plotSurface.Clear();
Grid mygrid = new Grid();
mygrid.HorizontalGridType = Grid.GridType.Fine;
mygrid.VerticalGridType = Grid.GridType.Fine;
plotSurface.Add(mygrid);
int npt = 101;
float [] x = new float[npt];
float [] y = new float[npt];
float step = 0.1f;
// plot a power law on the log-log scale
for (int i = 0; i < npt; ++i)
{
x[i] = (i + 1) * step;
y[i] = x[i] * x[i];
}
float xmin = x[0];
float xmax = x[npt - 1];
float ymin = y[0];
float ymax = y[npt - 1];
LinePlot lp = new LinePlot();
lp.OrdinateData = y;
lp.AbscissaData = x;
lp.Pen = new Pen(Color.Red);
plotSurface.Add(lp);
// axes
// x axis
LogAxis logax = new LogAxis(plotSurface.XAxis1);
logax.WorldMin = xmin;
logax.WorldMax = xmax;
logax.AxisColor = Color.Red;
logax.LabelColor = Color.Red;
logax.TickTextColor = Color.Red;
logax.LargeTickStep = 1.0f;
logax.Label = "x";
plotSurface.XAxis1 = logax;
// y axis
LogAxis logay = new LogAxis(plotSurface.YAxis1);
logay.WorldMin = ymin;
logay.WorldMax = ymax;
logay.AxisColor = Color.Red;
logay.LabelColor = Color.Red;
logay.TickTextColor = Color.Red;
logay.LargeTickStep = 1.0f;
logay.Label = "x^2";
plotSurface.YAxis1 = logay;
LinePlot lp1 = new LinePlot();
lp1.OrdinateData = y;
lp1.AbscissaData = x;
lp1.Pen = new Pen(Color.Blue);
plotSurface.Add(lp1, XAxisPosition.Top, YAxisPosition.Right);
// axes
// x axis (lin)
LinearAxis linx = (LinearAxis)plotSurface.XAxis2;
linx.WorldMin = xmin;
linx.WorldMax = xmax;
linx.AxisColor = Color.Blue;
linx.LabelColor = Color.Blue;
linx.TickTextColor = Color.Blue;
linx.Label = "x";
plotSurface.XAxis2 = linx;
// y axis (lin)
LinearAxis liny = (LinearAxis)plotSurface.YAxis2;
liny.WorldMin = ymin;
liny.WorldMax = ymax;
liny.AxisColor = Color.Blue;
liny.LabelColor = Color.Blue;
liny.TickTextColor = Color.Blue;
liny.Label = "x^2";
plotSurface.YAxis2 = liny;
plotSurface.Title = "x^2 plotted with log(red)/linear(blue) axes";
plotSurface.AddInteraction(new PlotDrag(false, true));
plotSurface.Refresh();
}
public void CreatePlot(InteractivePlotSurface2D plotSurface)
{
// log log plot
plotSurface.Clear();
Grid mygrid = new Grid();
mygrid.HorizontalGridType = Grid.GridType.Fine;
mygrid.VerticalGridType = Grid.GridType.Fine;
plotSurface.Add(mygrid);
int npt = 101;
float [] x = new float[npt];
float [] y = new float[npt];
float step = 0.1f;
// plot a power law on the log-log scale
for (int i = 0; i < npt; ++i)
{
x[i] = (i + 1) * step;
y[i] = x[i] * x[i];
}
float xmin = x[0];
float xmax = x[npt - 1];
float ymin = y[0];
float ymax = y[npt - 1];
LinePlot lp = new LinePlot();
lp.OrdinateData = y;
lp.AbscissaData = x;
lp.Pen = new Pen(Color.Red);
plotSurface.Add(lp);
// axes
// x axis
LogAxis logax = new LogAxis(plotSurface.XAxis1);
logax.WorldMin = xmin;
logax.WorldMax = xmax;
logax.AxisColor = Color.Red;
logax.LabelColor = Color.Red;
logax.TickTextColor = Color.Red;
logax.LargeTickStep = 1.0f;
logax.Label = "x";
plotSurface.XAxis1 = logax;
// y axis
LogAxis logay = new LogAxis(plotSurface.YAxis1);
logay.WorldMin = ymin;
logay.WorldMax = ymax;
logay.AxisColor = Color.Red;
logay.LabelColor = Color.Red;
logay.TickTextColor = Color.Red;
logay.LargeTickStep = 1.0f;
logay.Label = "x^2";
plotSurface.YAxis1 = logay;
LinePlot lp1 = new LinePlot();
lp1.OrdinateData = y;
lp1.AbscissaData = x;
lp1.Pen = new Pen(Color.Blue);
plotSurface.Add(lp1, PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Right);
// axes
// x axis (lin)
LinearAxis linx = (LinearAxis)plotSurface.XAxis2;
linx.WorldMin = xmin;
linx.WorldMax = xmax;
linx.AxisColor = Color.Blue;
linx.LabelColor = Color.Blue;
linx.TickTextColor = Color.Blue;
linx.Label = "x";
plotSurface.XAxis2 = linx;
// y axis (lin)
LinearAxis liny = (LinearAxis)plotSurface.YAxis2;
liny.WorldMin = ymin;
liny.WorldMax = ymax;
liny.AxisColor = Color.Blue;
liny.LabelColor = Color.Blue;
liny.TickTextColor = Color.Blue;
liny.Label = "x^2";
plotSurface.YAxis2 = liny;
plotSurface.Title = "x^2 plotted with log(red)/linear(blue) axes";
plotSurface.Refresh();
}