/**
* @param IPointGlobal $zeroPoint
* @param IPointGlobal $endPoint
* @param FieldConfiguration $config
* @param float $width track width in meters
*/
public function __construct(IPointGlobal $zeroPoint, IPointGlobal $endPoint, FieldConfiguration $config, $width)
{
$this->zeroPoint = $zeroPoint->convertToLocal($config);
$this->endPoint = $endPoint->convertToLocal($config);
$diff = $this->endPoint->subtract($this->zeroPoint, $config);
$this->factor = max(abs($diff->getLatitude()), abs($diff->getLongitude()));
$this->vector = new LinearVector($diff);
$absDiff = new LinearVector($endPoint->subtract($zeroPoint));
$this->cursor = new FieldCursor($this->zeroPoint, $absDiff->getPerpendicular(), $config, $width);
}
