private function checkPathAlarm($device, $location, $rule)
{
// Log::write("" .
// "\ncheckPathAlarm\n" .
// "\nRule:\n".print_r($rule, true)."" .
// "\nDevice\n".print_r($device, true)."" .
// "\nLocation\n".print_r($location, true) .
// "", Log::INFO);
$polyline = $this->getPathAreaPoints($rule['path_area_id']);
$rule['speed'] += 0;
$location['speed'] += 0;
$rule['long'] += 0;
$rule['distance'] += 0;
$speedMsg = $this->getSpeedLimitAlarmMsg($location['speed'], $rule['speed']);
$distance = round(Geometry::geoPointDistancePolyline($location['baidu_lat'], $location['baidu_lng'], $polyline));
if ($distance >= $rule['distance']) {
if (empty($rule['long'])) {
// 时长限制为0
$msg = '按照规则[' . $rule['label'] . ']，' . $device['target_type'] . '[' . $device['target_name'] . ']，' . '不允许在此时[' . date('Y-m-d H:i:s') . ']离开路径[' . $rule['path_area_label'] . ']' . $rule['distance'] . '米，' . "而现在检测到目标在路径外（坐标：{$location['baidu_lat']}, {$location['baidu_lng']}），距离路径" . $distance . '米';
$msg .= empty($speedMsg) ? '' : '，并且' . $speedMsg;
return $this->startAlarm($device, $location, $rule, $msg);
} else {
//允许离开一段时间
$longInSeconds = $rule['long'] * 60;
$curLocationId = $location['id'];
while ($previousLocation = $this->getPreviousLocation($device['id'], $curLocationId)) {
$historyDist = Geometry::geoPointDistancePolyline($previousLocation['baidu_lat'], $previousLocation['baidu_lng'], $polyline);
if ($historyDist < $rule['distance']) {
//历史轨迹点离开距离不够
return empty($speedMsg) || $distance < $rule['distance'] ? null : $this->startSpeedAlarm($device, $location, $rule);
}
$timeDiff = $this->getTimeDifference('now', $previousLocation['time']);
if ($timeDiff >= $longInSeconds) {
$msg = '按照规则[' . $rule['label'] . ']，' . $device['target_type'] . '[' . $device['target_name'] . ']，' . '不允许在此时[' . date('Y-m-d H:i:s') . ']离开路径[' . $rule['path_area_label'] . ']' . $rule['distance'] . '米，' . '超过' . $rule['long'] . '分钟，' . "而现在检测到目标在路径外（坐标：{$location['baidu_lat']}, {$location['baidu_lng']}），" . "并且离开路径至少" . $rule['distance'] . '米' . "已经超过" . floor($timeDiff / 60) . "分钟";
$msg .= empty($speedMsg) ? '' : '，并且' . $speedMsg;
return $this->startAlarm($device, $location, $rule, $msg);
}
$curLocationId = $previousLocation['id'];
}
return empty($speedMsg) || $distance < $rule['distance'] ? null : $this->startSpeedAlarm($device, $location, $rule);
//已经 没有上一个定位了（时间仍不够长），不用报警
}
}
return null;
//轨迹点在区域里面，不用报警
}
public function test7()
{
$point = array('latitude' => 39.915, 'longitude' => 116.404);
$polyline = array(array('latitude' => 21.827688, 'longitude' => 90.279838), array('latitude' => 49.004931, 'longitude' => 114.269914), array('latitude' => 36.251841, 'longitude' => 126.780075), array('latitude' => 9.739644, 'longitude' => 128.546216));
echo "<pre>";
print_r(Geometry::geoPointPedalPolyline(39.915, 116.404, $polyline));
print_r(Geometry::geoPointDistancePolyline(39.915, 116.404, $polyline));
echo "</pre>";
}
