/**
* Get the points on the secondary axis that the grid should "connect"
* @return Array The secondary data values that should mark the grid "end points"
* @access private
*/
function _getSecondaryAxisPoints()
{
if (is_a($this->_secondaryAxis, "Image_Graph_Axis_Multidimensional")) {
$secondaryValue = $this->_secondaryAxis->_getNextLabel();
while ($secondaryValue <= $this->_secondaryAxis->_getMaximum()) {
$secondaryAxisPoints[] = $secondaryValue;
$secondaryValue = $this->_primaryAxis->_getNextLabel($secondaryValue);
}
}
elseif (is_a($this->_secondaryAxis, "Image_Graph_Axis_Sequential")) {
$secondaryAxisPoints = array ($this->_secondaryAxis->_getMinimum() - 0.5, $this->_secondaryAxis->_getMaximum() - 0.5);
} else {
$secondaryAxisPoints = array ($this->_secondaryAxis->_getMinimum(), $this->_secondaryAxis->_getMaximum());
}
return $secondaryAxisPoints;
}
