plotSetXPen

Purpose

Sets the thickness, color, and style for the X-Axis line.

Format

plotSetXPen(&myPlot, thickness[, clr[, style]])
Parameters
  • &myPlot (struct pointer) – A plotControl structure pointer.

  • thickness (Scalar) – the thickness of the axis line in pixels.

  • clr (string) – Optional argument, name or rgb value of the new color for the axes.

  • style (Scalar) –

    the style of the pen. Options include:

    1

    Solid line.

    2

    Dash line.

    3

    Dot line.

    4

    Dash-Dot line.

    5

    Dash-Dot-Dot line.

Examples

_images/plotsetxpen-cr.png
// Declare plotControl structure
struct plotControl myPlot;

// Initialize plotControl structure
myPlot = plotGetDefaults("xy");

// Set axis to be 3 pixels wide and black
plotSetXPen(&myPlot, 3, "black");

// Create data
x = seqa(0.1, 0.1, 50);
y = sin(x)~cos(x);

// Plot the data with the new line colors
plotXY(myPlot, x, y);

Remarks

This function sets an attribute in a plotControl structure. It does not affect an existing graph, or a new graph drawn using the default settings that are accessible from the Tools > Preferences > Graphics menu.