--- a/labs/tripPlannerTester.kml.php +++ b/labs/tripPlannerTester.kml.php @@ -1,175 +1,205 @@ <?php - +// http://www.herethere.net/~samson/php/color_gradient/color_gradient_generator.php.txt +// return the interpolated value between pBegin and pEnd +function interpolate($pBegin, $pEnd, $pStep, $pMax) +{ + if ($pBegin < $pEnd) { + return (($pEnd - $pBegin) * ($pStep / $pMax)) + $pBegin; + } + else { + return (($pBegin - $pEnd) * (1 - ($pStep / $pMax))) + $pEnd; + } +} +require ("../lib/rolling-curl/RollingCurl.php"); +function processResult_cb($response, $info, $request) +{ + global $testRegions, $regionTimes,$csv,$kml, $latdeltasize,$londeltasize; + $md = $request->metadata; + $tripplan = json_decode($response); + $plans = Array(); + //var_dump(Array($info, $request)); + if (is_array($tripplan->plan->itineraries->itinerary)) { + foreach ($tripplan->plan->itineraries->itinerary as $itineraryNumber => $itinerary) { + $plans[floor($itinerary->duration / 60000) ] = $itinerary; + } + } + else { + $plans[floor($tripplan->plan->itineraries->itinerary->duration / 60000) ] = $tripplan->plan->itineraries->itinerary; + } + if ($csv) echo "{$md['i']},{$md['j']}," . min(array_keys($plans)) . ",$latdeltasize, $londeltasize,{$md['key']}\n"; + if ($kml) { + $time = min(array_keys($plans)); + $plan = ""; + if (is_array($plans[min(array_keys($plans)) ]->legs->leg)) { + foreach ($plans[min(array_keys($plans)) ]->legs->leg as $legNumber => $leg) { + $plan.= processLeg($legNumber, $leg) . ","; + } + } + else { + $plan.= processLeg(0, $plans[min(array_keys($plans)) ]->legs->leg); + } + if (isset($tripplan->error) && $tripplan->error->id == 404) { + $time = 999; + $plan = "Trip not possible without excessive walking from nearest bus stop"; + } + $testRegions[] = Array( + "lat" => $md['i'], + "lon" => $md['j'], + "time" => $time, + "latdeltasize" => $latdeltasize, + "londeltasize" => $londeltasize, + "regionname" => $md['key'], + "plan" => $plan . "<br/><a href='" . htmlspecialchars($url) . "'>original plan</a>" + ); + $regionTimes[] = $time; + } +} +function Gradient($HexFrom, $HexTo, $ColorSteps) +{ + $theColorBegin = hexdec($HexFrom); + $theColorEnd = hexdec($HexTo); + $theNumSteps = intval($ColorSteps); + $theR0 = ($theColorBegin & 0xff0000) >> 16; + $theG0 = ($theColorBegin & 0x00ff00) >> 8; + $theB0 = ($theColorBegin & 0x0000ff) >> 0; + $theR1 = ($theColorEnd & 0xff0000) >> 16; + $theG1 = ($theColorEnd & 0x00ff00) >> 8; + $theB1 = ($theColorEnd & 0x0000ff) >> 0; + $GradientColors = array(); + // generate gradient swathe now + for ($i = 0; $i <= $theNumSteps; $i++) { + $theR = interpolate($theR0, $theR1, $i, $theNumSteps); + $theG = interpolate($theG0, $theG1, $i, $theNumSteps); + $theB = interpolate($theB0, $theB1, $i, $theNumSteps); + $theVal = ((($theR << 8) | $theG) << 8) | $theB; + $GradientColors[] = sprintf("%06X", $theVal); + } + return $GradientColors; +} +function processLeg($legNumber, $leg) +{ + $legArray = object2array($leg); + if ($legArray["@mode"] === "BUS") { + return "bus {$legArray['@route']} " . str_replace("To", "towards", $legArray['@headsign']); + } + else { + return "walk"; + //$walkingstep = "walk "; + //if (strpos($step->streetName, "from") !== false && strpos($step->streetName, "way") !== false) { + // $walkingstep.= "footpath"; + //} + //else { + // $walkingstep.= $step->streetName; + //} + //$walkingstep.= floor($step->distance) . "m"; + //return $walkingstep; + + } +} $csv = false; $kml = true; if ($kml) { header('Content-Type: application/vnd.google-earth.kml+xml'); -echo '<?xml version="1.0" encoding="UTF-8"?> + 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); $boundingBoxes = Array( "belconnen" => Array( - "startlat" => - 35.1828, - "startlon" => 149.0295, + "startlat" => - 35.1928, + "startlon" => 149.006, "finishlat" => - 35.2630, "finishlon" => 149.1045, - ) , + ) , "north gungahlin civic" => Array( - "startlat" => - 35.2652, + "startlat" => - 35.1828, "startlon" => 149.1045, - "finishlat" => -35.2955, - "finishlon" => 149.1559, + "finishlat" => - 35.2955, + "finishlon" => 149.1559, ) , "west duffy" => Array( "startlat" => - 35.3252, "startlon" => 149.0240, "finishlat" => - 35.3997, "finishlon" => 149.0676, - ) , + ) , "central south" => Array( "startlat" => - 35.3042, "startlon" => 149.0762, "finishlat" => - 35.3370, "finishlon" => 149.1806, - ) , + ) , "south" => Array( "startlat" => - 35.3403, "startlon" => 149.0714, "finishlat" => - 35.4607, "finishlon" => 149.1243, - ) - + ) ); -$latdeltasize = 0.025; -$londeltasize = 0.025; -$from = "Barry Drive"; +$latdeltasize = 0.01; +$londeltasize = 0.01; +$from = "Wattle Street"; $fromPlace = (startsWith($from, "-") ? $from : geocode($from, false)); $startTime = "9:00 am"; -$startDate = "21/03/2011"; +$startDate = "03/21/2011"; // american dates, OTP does not validate! $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 ($csv) echo "lat,lon,time,latdeltasize, londeltasize, region key name\n"; - +$rc = new RollingCurl("processResult_cb"); +$rc->window_size = 3; foreach ($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( + $url = $otpAPIurl . "ws/plan?date=" . urlencode($startDate) . "&time=" . urlencode($startTime) . "&mode=TRANSIT%2CWALK&optimize=QUICK&maxWalkDistance=440&wheelchair=false&toPlace=" . $i . "," . $j . "&fromPlace=$fromPlace"; + $request = new RollingCurlRequest($url); + $request->headers = Array( "Accept: application/json" - )); - curl_setopt($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> + ); + $request->metadata = Array( "i" => $i, "j" => $j, "key" => $key); + $rc->add($request); + } + } +} +$rc->execute(); +if ($kml) { + $colorSteps = 9; + //$minTime = min($regionTimes); + //$maxTime = max($regionTimes); + //$rangeTime = $maxTime - $minTime; + //$deltaTime = $rangeTime / $colorSteps; + $Gradients = Gradient(strrev("66FF00") , strrev("FF0000") , $colorSteps); // KML is BGR not RGB so strrev + foreach ($testRegions as $testRegion) { + //$band = (floor(($testRegion[time] - $minTime) / $deltaTime)); + $band = (floor($testRegion[time] / 10)); + if ($band > $colorSteps) $band = $colorSteps; + echo "<Placemark> + <name>" . $testRegion['regionname'] . " time {$testRegion['time']} band $band</name> + <description> {$testRegion['plan']} </description> <Style> <PolyStyle> - <color>7f".$Gradients[$band]."</color>". // 7f = 50% alpha - "</PolyStyle> + <color>c7" . $Gradients[$band] . "</color>" . // 7f = 50% alpha, c7=78% + "</PolyStyle> + <LineStyle> + <color>c7" . $Gradients[$band] . "</color>" . "</LineStyle> </Style> <Polygon> - <extrude>1</extrude> - <altitudeMode>relativeToGround</altitudeMode> +<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". - " + " . ($testRegion['lon'] - ($testRegion['londeltasize'] / 2)) . "," . ($testRegion['lat'] - ($testRegion['latdeltasize'] / 2)) . ",500\n" . ($testRegion['lon'] - ($testRegion['londeltasize'] / 2)) . "," . ($testRegion['lat'] + ($testRegion['latdeltasize'] / 2)) . ",500\n" . ($testRegion['lon'] + ($testRegion['londeltasize'] / 2)) . "," . ($testRegion['lat'] + ($testRegion['latdeltasize'] / 2)) . ",500\n" . ($testRegion['lon'] + ($testRegion['londeltasize'] / 2)) . "," . ($testRegion['lat'] - ($testRegion['latdeltasize'] / 2)) . ",500\n" . ($testRegion['lon'] - ($testRegion['londeltasize'] / 2)) . "," . ($testRegion['lat'] - ($testRegion['latdeltasize'] / 2)) . ",500\n" . " </coordinates> </LinearRing> </outerBoundaryIs> </Polygon> </Placemark>"; -} -echo "\n</Document></kml>\n"; + } + echo "\n</Document></kml>\n"; } if ($csv) echo "</pre>"; - ?>