Class FieldArrow
(Defined in: jpgraph_scatter.php : 17)

FieldArrow
SetColor() SetSize()

Class usage and Overview
Internal helper class which represents the arrow head of the arrow in the field plot.

Only accessed as FieldPlot::arrow

See also related classes:
FieldPlot

Class Methods

FieldArrow ::
SetColor($aColor)
Specify color for arrow head

Argument | Default | Description
--- | --- | ---
$aColor |  | Color specification

Description:
Set color for arrow head

Example:

$fieldplot->arrow->SetColor('red');

FieldArrow ::
SetSize($aSize, $aArrowSize)
Specify arrow and arrow head size

Argument | Default | Description
--- | --- | ---
$aSize |  | Arrow size in pixels
$aArrowSize | 2 | Arrow head size (and shape) as integer in range (0-9)

Description:
Arrow size is specified in pixels (length of arrow including arrow head). The size of the arrow head is specified as an integer in the range (0,9) inclusive.

Example:

// First size argument is length (in pixels of arrow)
// Second size argument is roughly size of arrow. Arrow size is specified as
// an integer in the range [0,9]
$fp->arrow->SetSize(20,2);
$fp->arrow->SetColor('navy');