/**
* Draw the marker on the canvas
* @param int $x The X (horizontal) position (in pixels) of the marker on
* the canvas
* @param int $y The Y (vertical) position (in pixels) of the marker on the
* canvas
* @param array $values The values representing the data the marker 'points'
* to
* @access private
*/
function _drawMarker($x, $y, $values = false)
{
$angle = pi() * rand(0, 360) / 180;
$this->_deltaX = $this->_radius * cos($angle);
$this->_deltaY = $this->_radius * sin($angle);
parent::_drawMarker($x, $y, $values);
}
/**
* Draw the marker on the canvas
* @param int $x The X (horizontal) position (in pixels) of the marker on the canvas
* @param int $y The Y (vertical) position (in pixels) of the marker on the canvas
* @param array $values The values representing the data the marker "points" to
* @access private
*/
function _drawMarker($x, $y, $values = false)
{
if (isset($values['LENGTH'])) {
$this->_deltaX = - $values['AX'] * $this->_radius / $values['LENGTH'];
$this->_deltaY = - $values['AY'] * $this->_radius / $values['LENGTH'];
}
if ((isset($values['NPY'])) and (isset($values['APY'])) and (isset($values['PPY'])) and ($values['NPY'] > $values['APY']) and ($values['PPY'] > $values['APY'])) {
$this->_deltaX = - $this->_deltaX;
$this->_deltaY = - $this->_deltaY;
}
parent::_drawMarker($x, $y, $values);
}
