Example #1
0
 public static function make($supplychain)
 {
     $geojson = array("type" => "FeatureCollection", "features" => array());
     foreach ($supplychain->attributes as $k => $v) {
         $geojson["properties"][$k] = $v;
     }
     foreach (array_merge($supplychain->stops, $supplychain->hops) as $item) {
         $geom = Sourcemap_Wkt::read($item->geometry);
         switch ($geom[0]) {
             case "point":
                 $pt = new Sourcemap_Proj_Point($geom[1][0], $geom[1][1]);
                 $pt = Sourcemap_Proj::transform('EPSG:900913 ', 'WGS84', $pt);
                 $geometry = array("type" => "Point", "coordinates" => array($pt->x, $pt->y));
                 break;
             case "multilinestring":
                 $return = array();
                 array_walk_recursive($geom[1], function ($a) use(&$return) {
                     $return[] = $a;
                 });
                 $pt1 = new Sourcemap_Proj_Point($return[2], $return[3]);
                 $pt2 = new Sourcemap_Proj_Point($return[5], $return[6]);
                 $pt1 = Sourcemap_Proj::transform('EPSG:900913 ', 'WGS84', $pt1);
                 $pt2 = Sourcemap_Proj::transform('EPSG:900913 ', 'WGS84', $pt2);
                 $geometry = array("type" => "LineString", "coordinates" => array(array($pt1->x, $pt1->y), array($pt2->x, $pt2->y)));
                 break;
             default:
                 break;
         }
         $props = array();
         foreach ($item->attributes as $k => $v) {
             $props[$k] = $v;
         }
         array_push($geojson["features"], array("type" => "Feature", "geometry" => $geometry, "properties" => $props));
     }
     return json_encode($geojson);
 }
Example #2
0
 public static function get_image($raw_sc)
 {
     $params = array('size' => '1024x768', 'styleid' => 4993, 'format' => 'png32');
     $markers = array();
     $paths = array();
     $stop_dict = array();
     $min_lat = $max_lat = $min_lon = $max_lon = null;
     foreach ($raw_sc->stops as $i => $stop) {
         # TODO: address hard limit of 100 stops.
         if ($pt = Sourcemap_Proj_Point::fromGeometry($stop->geometry)) {
             $pt = Sourcemap_Proj::transform('EPSG:900913', 'WGS84', $pt);
             if ($min_lat === null || $pt->y < $min_lat) {
                 $min_lat = $pt->y;
             }
             if ($max_lat === null || $pt->y > $max_lat) {
                 $max_lat = $pt->y;
             }
             if ($min_lon === null || $pt->x < $min_lon) {
                 $min_lon = $pt->x;
             }
             if ($max_lon === null || $pt->x > $max_lon) {
                 $max_lon = $pt->x;
             }
             $color = '008000';
             if (isset($stop->attributes, $stop->attributes->color)) {
                 $stcolor = $stop->attributes->color;
                 if (preg_match('/^#?([A-Fa-f0-9]{3}|[A-Fa-f0-9]{6})$/', $stcolor)) {
                     $color = ltrim($stcolor, '#');
                 }
             }
             $sz = 16;
             if (isset($stop->attributes, $stop->attributes->size) && is_numeric($stop->attributes->size)) {
                 $sz = (int) $stop->attributes->size;
                 $sz += 16;
             }
             #$markerimg = "http://chart.apis.google.com/chart?cht=it&chs={$sz}x{$sz}&chco=$color&chx=ffffff,8&chf=bg,s,00000000&ext=.png";
             $markerimg = "http://chart.apis.google.com/chart?cht=it&chs={$sz}x{$sz}&chco={$color}&chx=ffffff,8&chf=bg,s,00000000&ext=.png";
             $markers[] = 'url:' . urlencode($markerimg) . '|opacity:0.85|' . $pt->y . ',' . $pt->x;
         }
         $stop_dict[$stop->local_stop_id] = $stop;
     }
     $bbox = array($min_lat, $min_lon, $max_lat, $max_lon);
     foreach ($raw_sc->hops as $i => $hop) {
         $geom = Sourcemap_Wkt::read($hop->geometry);
         $fromst = Sourcemap_Proj_Point::fromGeometry($stop_dict[$hop->from_stop_id]->geometry);
         $fromst = Sourcemap_Proj::transform('EPSG:900913', 'WGS84', $fromst);
         $tost = Sourcemap_Proj_Point::fromGeometry($stop_dict[$hop->to_stop_id]->geometry);
         $tost = Sourcemap_Proj::transform('EPSG:900913', 'WGS84', $tost);
         $bentpts = self::make_bent_line($fromst, $tost);
         $pts = array();
         foreach ($bentpts as $bpi => $bp) {
             $pts[] = sprintf("%f,%f", $bp->y, $bp->x);
         }
         $paths[] = 'color:green|weight:3|opacity:1|' . join('|', $pts);
     }
     $ps = array();
     foreach ($params as $k => $v) {
         $ps[] = "{$k}={$v}";
     }
     foreach ($markers as $i => $m) {
         $ps[] = 'marker=' . $m;
     }
     foreach ($paths as $i => $p) {
         $ps[] = 'path=' . $p;
     }
     if ($bbox[0] || $bbox[1] || $bbox[2]) {
         $ps[] = sprintf("bbox=%s", join(',', $bbox));
     } else {
         $ps[] = 'center=0,0';
         $ps[] = 'zoom=2';
     }
     $ps = join($ps, '&');
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, self::get_base_url());
     curl_setopt($ch, CURLOPT_POST, true);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
     curl_setopt($ch, CURLOPT_POSTFIELDS, $ps);
     return curl_exec($ch);
 }
Example #3
0
 public static function csv2hops($csv, $stops, $o = array())
 {
     $options = array();
     foreach (self::$default_options as $k => $v) {
         $options[$k] = isset($o[$k]) ? $o[$k] : $v;
     }
     extract($options);
     $csv = Sourcemap_Csv::parse($csv);
     $raw_headers = array();
     if ($headers) {
         $raw_headers = array_shift($csv);
         $headers = array();
         for ($i = 0; $i < count($raw_headers); $i++) {
             if (strlen(trim($raw_headers[$i]))) {
                 $headers[] = strtolower($raw_headers[$i]);
             }
         }
         foreach ($headers as $i => $h) {
             if (is_null($fromcol) && preg_match('/^from(_?stop)?$/i', $h)) {
                 $fromcol = $h;
             } elseif (is_null($tocol) && preg_match('/^to(_?stop)?$/i', $h)) {
                 $tocol = $h;
             }
         }
     }
     if (!$fromcol || !$tocol) {
         throw new Exception('To and from columns required.');
     }
     $data = array();
     foreach ($csv as $ri => $row) {
         if ($headers && is_array($headers)) {
             $record = array();
             foreach ($headers as $hi => $k) {
                 if (isset($row[$hi])) {
                     $record[$k] = $row[$hi];
                 }
             }
         } else {
             $record = $row;
         }
         if ($record) {
             $data[] = $record;
         }
     }
     $stops_by_id = array();
     foreach ($stops as $sti => $st) {
         $stops_by_id[(int) $st->local_stop_id] = $st;
     }
     $hops = array();
     foreach ($data as $i => $record) {
         if (!isset($record[$fromcol]) || !is_numeric($record[$fromcol])) {
             throw new Exception('Missing or invalid from field at record #' . ($i + 1) . '.');
         }
         if (!isset($record[$tocol]) || !is_numeric($record[$tocol])) {
             throw new Exception('Missing or invalid to field at record #' . ($i + 1) . '.');
         }
         $from = $record[$fromcol];
         $to = $record[$tocol];
         if (!isset($stops_by_id[(int) $from])) {
             throw new Exception('From stop in hop does not exist in record #' . ($i + 1) . '.');
         }
         if (!isset($stops_by_id[(int) $to])) {
             throw new Exception('To stop in hop does not exist in record #' . ($i + 1) . '.');
         }
         list($type, $fromcoords) = Sourcemap_Wkt::read($stops_by_id[$from]->geometry);
         list($type, $tocoords) = Sourcemap_Wkt::read($stops_by_id[$to]->geometry);
         $frompt = new Sourcemap_Proj_Point($fromcoords);
         $topt = new Sourcemap_Proj_Point($tocoords);
         $geometry = Sourcemap_Wkt::write(Sourcemap_Wkt::MULTILINESTRING, array($frompt, $topt));
         $new_hop = (object) array('from_stop_id' => $from, 'to_stop_id' => $to, 'geometry' => $geometry, 'attributes' => new stdClass());
         foreach ($record as $k => $v) {
             if ($k !== $fromcol && $k !== $tocol) {
                 $new_hop->attributes->{$k} = $v;
             }
         }
         $hops[] = $new_hop;
     }
     return $hops;
 }