mjaschen / phpgeo

src/Polyline.php

<?php
declare(strict_types=1);

namespace Location;

use Location\Distance\DistanceInterface;
use Location\Formatter\Polyline\FormatterInterface;

/**
 * Polyline Implementation
 *
 * @author Marcus Jaschen <mjaschen@gmail.com>
 */
class Polyline implements GeometryInterface
{
    /**
     * @var Coordinate[]
     */
    protected $points = [];

    /**
     * @param Coordinate $point
     *
     * @return void
     */
    public function addPoint(Coordinate $point)
    {
        $this->points[] = $point;
    }

    /**
     * @return Coordinate[]
     */
    public function getPoints(): array
    {
        return $this->points;
    }

    /**
     * @return int
     */
    public function getNumberOfPoints(): int
    {
        return count($this->points);
    }

    /**
     * @param FormatterInterface $formatter
     *
     * @return mixed
     */
    public function format(FormatterInterface $formatter)
    {
        return $formatter->format($this);
    }

    /**
     * @return Line[]
     */
    public function getSegments(): array
    {
        $length = count($this->points);
        $segments = [];

        if ($length <= 1) {
            return $segments;
        }

        for ($i = 1; $i < $length; $i++) {

This code seems to be duplicated across your project.

            $segments[] = new Line($this->points[$i - 1], $this->points[$i]);
        }

        return $segments;
    }

    /**
     * Calculates the length of the polyline.
     *
     * @param DistanceInterface $calculator instance of distance calculation class
     *
     * @return float
     */
    public function getLength(DistanceInterface $calculator): float

This method seems to be duplicated in your project.

    {
        $distance = 0.0;

        if (count($this->points) <= 1) {
            return $distance;
        }

        foreach ($this->getSegments() as $segment) {
            $distance += $segment->getLength($calculator);
        }

        return $distance;
    }

    /**
     * Create a new polyline with reversed order of points, i. e. reversed
     * polyline direction.
     *
     * @return Polyline
     */
    public function getReverse(): Polyline

This method seems to be duplicated in your project.

    {
        $reversed = new static();

        foreach (array_reverse($this->points) as $point) {
            $reversed->addPoint($point);
        }

        return $reversed;
    }

    /**
     * @return Bounds
     */
    public function getBounds(): Bounds
    {
        $latMin = 90.0;
        $latMax = -90.0;
        $lngMin = 180.0;
        $lngMax = -180.0;

        foreach ($this->points as $point) {
            $latMin = min($point->getLat(), $latMin);
            $lngMin = min($point->getLng(), $lngMin);
            $latMax = max($point->getLat(), $latMax);
            $lngMax = max($point->getLng(), $lngMax);
        }

        return new Bounds(
            new Coordinate($latMax, $lngMin),
            new Coordinate($latMin, $lngMax)
        );
    }
}