1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 | <?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))) + $pEnd; } } function Gradient($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"?> <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" => - 35.1928, "startlon" => 149.006, "finishlat" => - 35.2630, "finishlon" => 149.1045, ) , "north gungahlin civic" => Array( "startlat" => - 35.1828, "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 = 0.01; $londeltasize = 0.01; $from = "Wattle Street"; $fromPlace = (startsWith($from, "-") ? $from : geocode($from, false)); $startTime = "9:00 am"; $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 ($csv) echo "lat,lon,time,latdeltasize, londeltasize, region key name\n"; foreach ($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=440&wheelchair=false&toPlace=" . $i . "," . $j . "&fromPlace=$fromPlace"; $ch = curl_init($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); $plans = Array(); if (is_array($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 "$i,$j," . min(array_keys($plans)) . ",$latdeltasize, $londeltasize,$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" => $i, "lon" => $j, "time" => $time, "latdeltasize" => $latdeltasize, "londeltasize" => $londeltasize, "regionname" => $key, "plan" => $plan . "<br/><a href='". htmlspecialchars($url)."'>original plan</a>" ); $regionTimes[] = $time; } } flush(); @ob_flush(); curl_close($ch); } } } 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>c7" . $Gradients[$band] . "</color>" . // 7f = 50% alpha, c7=78% "</PolyStyle> <LineStyle> <color>c7" . $Gradients[$band] . "</color>" . "</LineStyle> </Style> <Polygon> <altitudeMode>relativeToGround</altitudeMode> <outerBoundaryIs> <LinearRing> <coordinates> " . ($testRegion['lon'] - ($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"; } if ($csv) echo "</pre>"; ?> |