SetXAxisPosition
SetXAxisPosition — Move the X axis
Synopsis
$plot->SetXAxisPosition($pos)
Description
SetXAxisPosition sets the position of the X axis,
which is normally at Y=0.
Parameters
$pos
The Y position in world coordinates for the X axis.
(World coordinates are the coordinate space of your data points.)
Notes
The given position is truncated (towards 0) to an integer value.
The X axis is usually drawn at Y=0, but if Y=0 is not within the range of
the graph, the X axis is drawn at the bottom of the plot.