private function updateAxis()
{
$this->xAxis->setRange($this->getXMin(), $this->getXMax());
$this->yAxis->setRange($this->getRealYMin(), $this->getRealYMax());
}
function init($drawer)
{
list($x1, $y1, $x2, $y2) = $this->getPosition();
$this->xAxis->line->setX($x1, $x2);
$this->xAxis->label->setAlign(NULL, LABEL_BOTTOM);
$this->xAxis->label->move(0, 3);
$this->xAxis->setRange($this->extremum->left, $this->extremum->right);
$this->yAxis->line->setY($y2, $y1);
$this->yAxis->label->setAlign(LABEL_RIGHT);
$this->yAxis->label->move(-6, 0);
$this->yAxis->reverseTickStyle();
$this->yAxis->setRange($this->extremum->bottom, $this->extremum->top);
$this->xAxis->setYCenter($this->yAxis, 0);
$this->yAxis->setXCenter($this->xAxis, 0);
if ($this->yAxis->getLabelNumber() === NULL) {
$number = $this->extremum->top - $this->extremum->bottom + 1;
$this->yAxis->setLabelNumber($number);
}
if ($this->xAxis->getLabelNumber() === NULL) {
$number = $this->extremum->right - $this->extremum->left + 1;
$this->xAxis->setLabelNumber($number);
}
// Set ticks
$this->xAxis->ticks['major']->setNumber($this->xAxis->getLabelNumber());
$this->yAxis->ticks['major']->setNumber($this->yAxis->getLabelNumber());
// Set axis labels
$labels = array();
for ($i = 0, $count = $this->xAxis->getLabelNumber(); $i < $count; $i++) {
$labels[] = $i;
}
$this->xAxis->label->set($labels);
$labels = array();
for ($i = 0, $count = $this->yAxis->getLabelNumber(); $i < $count; $i++) {
$labels[] = $i;
}
$this->yAxis->label->set($labels);
parent::init($drawer);
// Create the grid
$this->createGrid();
// Draw the grid
$this->grid->draw($drawer, $x1, $y1, $x2, $y2);
}
$yAxis->label->set($labels);
$yAxis->label->setColor(new DarkGray());
$yAxis->label->setAlign(LABEL_RIGHT);
$yAxis->label->setFont(new Tuffy(7));
$yAxis->label->move(-5, 0);
$tick = new Tick(0, 2);
$yAxis->addTick('minor', $tick);
$tick = new Tick(11, 5);
$yAxis->addTick('major', $tick);
$yAxis->setNumberByTick('minor', 'major', 3);
$xAxis->setYCenter($yAxis, 0);
$yAxis->setXCenter($xAxis, 0);
$xAxis->draw($driver);
$yAxis->draw($driver);
for ($x = -10; $x <= 10; $x += 0.1) {
$p = Axis::toPosition($xAxis, $yAxis, new Point($x, cos($x) * 4));
$driver->point(new Red(), $p);
}
// Vertical axis
$axis = new Axis();
//$axis->line->setThickness(2);
$axis->setRange(8, -8);
$axis->setPadding(10, 10);
$axis->line->setLocation(new Point(20, 260), new Point(380, 380));
$tick = new Tick(0, 4);
$axis->addTick('minor', $tick);
$tick = new Tick(11, 8);
$axis->addTick('major', $tick);
$axis->setNumberByTick('minor', 'major', 3);
$axis->draw($driver);
$graph->draw();
