';
}
@@ -80,5 +86,130 @@
}
return $f;
}
+
+function staticmap($mapPoints)
+{
+$width = 300;
+$height = 300;
+$zoom = 0;
+$center = "";
+$markers = "";
+
+ if (sizeof($mapPoints) < 1) return "";
+ if (sizeof($mapPoints) === 1) {
+ $zoom = 14;
+ $markers .= $mapPoint[0].",".$mapPoint[1].",ol-marker";
+ $center = "{$mapPoints[0][0]},{$mapPoints[0][1]}";
+ } else {
+ foreach ($mapPoints as $index => $mapPoint) {
+ $markers .= $mapPoint[0].",".$mapPoint[1].",lightblue".($index+1);
+ if ($index+1 != sizeof($mapPoints)) $markers .= "|";
+ $totalLat += $mapPoint[0];
+ $totalLon += $mapPoint[1];
+ }
+ $zoom = 11;
+ $center = $totalLat/sizeof($mapPoints).",".$totalLon/sizeof($mapPoints);
+ }
+
+ return '
';
+}
+
+function decodePolylineToArray($encoded)
+{
+// source: http://latlongeeks.com/forum/viewtopic.php?f=4&t=5
+ $length = strlen($encoded);
+ $index = 0;
+ $points = array();
+ $lat = 0;
+ $lng = 0;
+
+ while ($index < $length)
+ {
+ // Temporary variable to hold each ASCII byte.
+ $b = 0;
+
+ // The encoded polyline consists of a latitude value followed by a
+ // longitude value. They should always come in pairs. Read the
+ // latitude value first.
+ $shift = 0;
+ $result = 0;
+ do
+ {
+ // The `ord(substr($encoded, $index++))` statement returns the ASCII
+ // code for the character at $index. Subtract 63 to get the original
+ // value. (63 was added to ensure proper ASCII characters are displayed
+ // in the encoded polyline string, which is `human` readable)
+ $b = ord(substr($encoded, $index++)) - 63;
+
+ // AND the bits of the byte with 0x1f to get the original 5-bit `chunk.
+ // Then left shift the bits by the required amount, which increases
+ // by 5 bits each time.
+ // OR the value into $results, which sums up the individual 5-bit chunks
+ // into the original value. Since the 5-bit chunks were reversed in
+ // order during encoding, reading them in this way ensures proper
+ // summation.
+ $result |= ($b & 0x1f) << $shift;
+ $shift += 5;
+ }
+ // Continue while the read byte is >= 0x20 since the last `chunk`
+ // was not OR'd with 0x20 during the conversion process. (Signals the end)
+ while ($b >= 0x20);
+
+ // Check if negative, and convert. (All negative values have the last bit
+ // set)
+ $dlat = (($result & 1) ? ~($result >> 1) : ($result >> 1));
+
+ // Compute actual latitude since value is offset from previous value.
+ $lat += $dlat;
+
+ // The next values will correspond to the longitude for this point.
+ $shift = 0;
+ $result = 0;
+ do
+ {
+ $b = ord(substr($encoded, $index++)) - 63;
+ $result |= ($b & 0x1f) << $shift;
+ $shift += 5;
+ }
+ while ($b >= 0x20);
+
+ $dlng = (($result & 1) ? ~($result >> 1) : ($result >> 1));
+ $lng += $dlng;
+
+ // The actual latitude and longitude values were multiplied by
+ // 1e5 before encoding so that they could be converted to a 32-bit
+ // integer representation. (With a decimal accuracy of 5 places)
+ // Convert back to original values.
+ $points[] = array($lat * 1e-5, $lng * 1e-5);
+ }
+
+ return $points;
+}
+
+function object2array($object) {
+ if (is_object($object)) {
+ foreach ($object as $key => $value) {
+ $array[$key] = $value;
+ }
+ }
+ else {
+ $array = $object;
+ }
+ return $array;
+}
+
+function geocode($query, $giveOptions) {
+ $url = "http://geocoding.cloudmade.com/daa03470bb8740298d4b10e3f03d63e6/geocoding/v2/find.js?query=".$query."&bbox=-35.5,149.00,-35.15,149.1930&return_location=true&bbox_only=true";
+ $contents = json_decode(getPage($url));
+ if ($giveOptions) return $contents->features;
+ else return $contents->features[0]->centroid->coordinates[0].",".$contents->features[0]->centroid->coordinates[1];
+}
+
+function reverseGeocode($lat,$lng) {
+ $url = "http://geocoding.cloudmade.com/daa03470bb8740298d4b10e3f03d63e6/geocoding/v2/find.js?around=".$lat.",".$lng."&distance=closest&object_type=road";
+ $contents = json_decode(getPage($url));
+ return $contents->features[0]->properties->name;
+}
?>
+