| <?php | |
| $csv = false; | |
| $kml = true; | |
| if ($kml) { | |
| header('Content-Type: application/vnd.google-earth.kml+xml'); | |
| echo '<?xml version="1.0" encoding="UTF-8"?> | |
| <kml xmlns="http://www.opengis.net/kml/2.2"><Document>'; | |
| } | |
| include ('../include/common.inc.php'); | |
| //Test code to grab transit times | |
| // make sure to sleep(10); | |
| $boundingBoxes = Array( | |
| "belconnen" => Array( | |
| "startlat" => - 35.1828, | |
| "startlon" => 149.0295, | |
| "finishlat" => - 35.2630, | |
| "finishlon" => 149.1045, | |
| ) , | |
| "north gungahlin civic" => Array( | |
| "startlat" => - 35.2652, | |
| "startlon" => 149.1045, | |
| "finishlat" => -35.2955, | |
| "finishlon" => 149.1559, | |
| ) , | |
| "west duffy" => Array( | |
| "startlat" => - 35.3252, | |
| "startlon" => 149.0240, | |
| "finishlat" => - 35.3997, | |
| "finishlon" => 149.0676, | |
| ) , | |
| "central south" => Array( | |
| "startlat" => - 35.3042, | |
| "startlon" => 149.0762, | |
| "finishlat" => - 35.3370, | |
| "finishlon" => 149.1806, | |
| ) , | |
| "south" => Array( | |
| "startlat" => - 35.3403, | |
| "startlon" => 149.0714, | |
| "finishlat" => - 35.4607, | |
| "finishlon" => 149.1243, | |
| ) | |
| ); | |
| $latdeltasize = 0.025; | |
| $londeltasize = 0.025; | |
| $from = "Barry Drive"; | |
| $fromPlace = (startsWith($from, "-") ? $from : geocode($from, false)); | |
| $startTime = "9:00 am"; | |
| $startDate = "21/03/2011"; | |
| $counter = 0; | |
| $regionTimes = Array(); | |
| $testRegions = Array(); | |
| $useragent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.1) Gecko/20061204 Firefox/2.0.0.1"; | |
| if ($csv) echo "<pre>"; | |
| if ($csv) echo "lat,lon,time,latdeltasize, londeltasize, region key name\n"; | |
| foreach ($boundingBoxes as $key => $boundingBox) { | |
| for ($i = $boundingBox['startlat']; $i >= $boundingBox['finishlat']; $i-= $latdeltasize) { | |
| for ($j = $boundingBox['startlon']; $j <= $boundingBox['finishlon']; $j+= $londeltasize) { | |
| $url = $otpAPIurl . "ws/plan?date=" . urlencode($startDate) . "&time=" . urlencode($startTime) . "&mode=TRANSIT%2CWALK&optimize=QUICK&maxWalkDistance=840&wheelchair=false&toPlace=" . $i . "," . $j . "&fromPlace=$fromPlace&intermediatePlaces="; | |
| $ch = curl_init($url); | |
| curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | |
| curl_setopt($ch, CURLOPT_HEADER, 0); | |
| curl_setopt($ch, CURLOPT_HTTPHEADER, array( | |
| "Accept: application/json" | |
| )); | |
| curl_setopt($ch, CURLOPT_TIMEOUT, 5); | |
| $page = curl_exec($ch); | |
| if (curl_errno($ch)) { | |
| if ($csv) echo "Trip planner temporarily unavailable: " . curl_errno($ch) . " " . curl_error($ch); | |
| } | |
| else { | |
| $tripplan = json_decode($page); | |
| if (isset($tripplan->error)) var_dump($tripplan->error); | |
| $times = Array(); | |
| if (is_array($tripplan->plan->itineraries->itinerary)) { | |
| foreach ($tripplan->plan->itineraries->itinerary as $itineraryNumber => $itinerary) { | |
| $times[] = floor($itinerary->duration / 60000); | |
| } | |
| } | |
| else { | |
| $times[] = floor($tripplan->plan->itineraries->itinerary->duration / 60000); | |
| } | |
| if ($csv) echo "$i,$j," . min($times) . ",$latdeltasize, $londeltasize,$key\n"; | |
| } | |
| flush(); | |
| ob_flush(); | |
| curl_close($ch); | |
| $testRegions[] = Array ("lat" => $i, "lon" => $j, "time" => min($times), "latdeltasize" => $latdeltasize, "londeltasize" => $londeltasize, "regionname" => $key); | |
| $regionTimes[] = min($times); | |
| break; | |
| } | |
| break; | |
| } | |
| } | |
| // http://www.geekpedia.com/code163_Generate-Gradient-Within-Hex-Range-In-PHP.html | |
| function Gradient($HexFrom, $HexTo, $ColorSteps) | |
| { | |
| $FromRGB['r'] = hexdec(substr($HexFrom, 0, 2)); | |
| $FromRGB['g'] = hexdec(substr($HexFrom, 2, 2)); | |
| $FromRGB['b'] = hexdec(substr($HexFrom, 4, 2)); | |
| $ToRGB['r'] = hexdec(substr($HexTo, 0, 2)); | |
| $ToRGB['g'] = hexdec(substr($HexTo, 2, 2)); | |
| $ToRGB['b'] = hexdec(substr($HexTo, 4, 2)); | |
| $StepRGB['r'] = ($FromRGB['r'] - $ToRGB['r']) / ($ColorSteps - 1); | |
| $StepRGB['g'] = ($FromRGB['g'] - $ToRGB['g']) / ($ColorSteps - 1); | |
| $StepRGB['b'] = ($FromRGB['b'] - $ToRGB['b']) / ($ColorSteps - 1); | |
| $GradientColors = array(); | |
| for($i = 0; $i <= $ColorSteps; $i++) | |
| { | |
| $RGB['r'] = floor($FromRGB['r'] - ($StepRGB['r'] * $i)); | |
| $RGB['g'] = floor($FromRGB['g'] - ($StepRGB['g'] * $i)); | |
| $RGB['b'] = floor($FromRGB['b'] - ($StepRGB['b'] * $i)); | |
| $HexRGB['r'] = sprintf('%02x', ($RGB['r'])); | |
| $HexRGB['g'] = sprintf('%02x', ($RGB['g'])); | |
| $HexRGB['b'] = sprintf('%02x', ($RGB['b'])); | |
| $GradientColors[] = implode(NULL, $HexRGB); | |
| } | |
| return $GradientColors; | |
| } | |
| if ($kml) { | |
| $minTime = min($regionTimes); | |
| $maxTime = max($regionTimes); | |
| $rangeTime = $maxTime - $minTime; | |
| $colorSteps = 32; | |
| $deltaTime = $rangeTime / $colorSteps; | |
| $Gradients = Gradient("FF5B5B", "FFCA5B", $colorSteps); | |
| foreach ($testRegions as $testRegion) { | |
| $band = (floor(($testRegion[time] - $minTime) / $deltaTime)); | |
| echo "<Placemark> | |
| <name>".$testRegion['regionname']." time {$testRegion[time]} band $band</name> | |
| <Style> | |
| <PolyStyle> | |
| <color>7f".$Gradients[$band]."</color>". // 7f = 50% alpha | |
| "</PolyStyle> | |
| </Style> | |
| <Polygon> | |
| <extrude>1</extrude> | |
| <altitudeMode>relativeToGround</altitudeMode> | |
| <outerBoundaryIs> | |
| <LinearRing> | |
| <coordinates> | |
| ". ($testRegion['lon'] - ($testRegion['londeltasize']/2)) . "," . ($testRegion['lat'] - ($testRegion['latdeltasize']/2)).",0\n". | |
| ($testRegion['lon'] - ($testRegion['londeltasize']/2)) . "," . ($testRegion['lat'] + ($testRegion['latdeltasize']/2)).",0\n". | |
| ($testRegion['lon'] + ($testRegion['londeltasize']/2)) . "," . ($testRegion['lat'] + ($testRegion['latdeltasize']/2)).",0\n". | |
| ($testRegion['lon'] + ($testRegion['londeltasize']/2)) . "," . ($testRegion['lat'] - ($testRegion['latdeltasize']/2)).",0\n". | |
| ($testRegion['lon'] - ($testRegion['londeltasize']/2)) . "," . ($testRegion['lat'] - ($testRegion['latdeltasize']/2)).",0\n". | |
| " | |
| </coordinates> | |
| </LinearRing> | |
| </outerBoundaryIs> | |
| </Polygon> | |
| </Placemark>"; | |
| } | |
| echo "\n</Document></kml>\n"; | |
| } | |
| if ($csv) echo "</pre>"; | |
| ?> | |