dolgeophp.class.php

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<?php
/* Copyright (C) 2024 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2024       Frédéric France             <frederic.france@free.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 * or see https://www.gnu.org/
 */
 
require_once DOL_DOCUMENT_ROOT.'/includes/geoPHP/geoPHP.inc.php';
 
 
class DolGeoPHP
{
  public $db;
 
  public function __construct($db)
  {
    $this->db = $db;
  }
 
  public function parseGeoString($value)
  {
    $geom = geoPHP::load($value, 'wkt');
    if ($geom) {
      $geojson = $geom->out('json');
      $centroid = $geom->getCentroid();
      $centroidjson = $centroid->out('json');
 
      return array('geojson' => $geojson, 'centroid' => $centroid, 'centroidjson' => $centroidjson);
    } else {
      return array();
    }
  }
 
  public function getXYString($value)
  {
    $value = '';
 
    $geom = geoPHP::load($value, 'wkt');
    if ($geom) {
      $value = $geom->x().' '.$geom->y();
    }
    return $value;
  }
 
  public function getPointString($value)
  {
    $value = '';
 
    $geom = geoPHP::load($value, 'wkt');
    if ($geom) {
      $value = get_class($geom) . ' : '. $geom->numPoints() . ' Points';
    }
    return $value;
  }
 
  public function getWkt($geojson)
  {
    $value_key = '';
 
    $geom = geoPHP::load($geojson, 'json');
    if ($geom) {
      $value_key = $geom->out('wkt');
    }
    return $value_key;
  }
}