public function setMapProjection($proj)
{
if (!$proj) {
return;
}
parent::setMapProjection($proj);
//$this->mapProjection = $proj;
$this->unitsPerMeter = null;
// arbitrarily set initial bounding box to the center (1/10)^2 of the containing map
$bbox = $this->wmsParser->getBBoxForProjection($this->mapProjection);
$xrange = $bbox['xmax'] - $bbox['xmin'];
$yrange = $bbox['ymax'] - $bbox['ymin'];
$bbox['xmin'] += 0.4 * $xrange;
$bbox['xmax'] -= 0.4 * $xrange;
$bbox['ymin'] += 0.4 * $yrange;
$bbox['ymax'] -= 0.4 * $yrange;
$this->bbox = $bbox;
$this->zoomLevel = oldPixelZoomLevelForScale($this->getCurrentScale());
$this->center = array('lat' => ($this->bbox['ymin'] + $this->bbox['ymax']) / 2, 'lon' => ($this->bbox['xmin'] + $this->bbox['xmax']) / 2);
}
protected function zoomLevelForScale($scale)
{
// not sure if ceil is the right rounding in both cases
if ($scale == self::NO_PROJECTION) {
$range = $this->getHorizontalRange();
return ceil(log(360 / $range, 2));
} else {
return oldPixelZoomLevelForScale($scale);
}
}