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#include < lanelet2_core/geometry/LineString.h>
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#include < algorithm>
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-
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+ # include < utility >
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namespace mission_planner
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{
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@@ -132,6 +132,8 @@ void MissionPlanner::on_reroute_availability(const RerouteAvailability::ConstSha
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void MissionPlanner::on_map (const HADMapBin::ConstSharedPtr msg)
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{
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map_ptr_ = msg;
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+ lanelet_map_ptr_ = std::make_shared<lanelet::LaneletMap>();
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+ lanelet::utils::conversion::fromBinMsg (*map_ptr_, lanelet_map_ptr_);
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}
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Pose MissionPlanner::transform_pose (const Pose & pose, const Header & header)
@@ -394,7 +396,9 @@ LaneletRoute MissionPlanner::create_route(
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bool MissionPlanner::check_reroute_safety (
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const LaneletRoute & original_route, const LaneletRoute & target_route)
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{
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- if (original_route.segments .empty () || target_route.segments .empty () || !map_ptr_ || !odometry_) {
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+ if (
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+ original_route.segments .empty () || target_route.segments .empty () || !map_ptr_ ||
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+ !lanelet_map_ptr_ || !odometry_) {
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RCLCPP_ERROR (get_logger (), " Check reroute safety failed. Route, map or odometry is not set." );
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return false ;
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}
@@ -413,112 +417,117 @@ bool MissionPlanner::check_reroute_safety(
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return false ;
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}
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- bool is_same = false ;
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for (const auto & primitive : original_primitives) {
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const auto has_same = [&](const auto & p) { return p.id == primitive.id ; };
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- is_same = std::find_if (target_primitives.begin (), target_primitives.end (), has_same) !=
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- target_primitives.end ();
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- }
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- return is_same;
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- };
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-
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- // find idx of original primitives that matches the target primitives
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- const auto start_idx_opt = std::invoke ([&]() -> std::optional<size_t > {
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- /*
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- * find the index of the original route that has same idx with the front segment of the new
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- * route
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- *
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- * start_idx
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- * +-----------+-----------+-----------+-----------+-----------+
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- * | | | | | |
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- * +-----------+-----------+-----------+-----------+-----------+
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- * | | | | | |
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- * +-----------+-----------+-----------+-----------+-----------+
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- * original original original original original
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- * target target target
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- */
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- const auto target_front_primitives = target_route.segments .front ().primitives ;
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- for (size_t i = 0 ; i < original_route.segments .size (); ++i) {
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- const auto & original_primitives = original_route.segments .at (i).primitives ;
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- if (hasSamePrimitives (original_primitives, target_front_primitives)) {
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- return i;
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+ const bool is_same =
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+ std::find_if (target_primitives.begin (), target_primitives.end (), has_same) !=
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+ target_primitives.end ();
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+ if (!is_same) {
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+ return false ;
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}
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}
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+ return true ;
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+ };
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- /*
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- * find the target route that has same idx with the front segment of the original route
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- *
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- * start_idx
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- * +-----------+-----------+-----------+-----------+-----------+
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- * | | | | | |
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- * +-----------+-----------+-----------+-----------+-----------+
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- * | | | | | |
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- * +-----------+-----------+-----------+-----------+-----------+
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- * original original original
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- * target target target target target
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- */
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- const auto original_front_primitives = original_route.segments .front ().primitives ;
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- for (size_t i = 0 ; i < target_route.segments .size (); ++i) {
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- const auto & target_primitives = target_route.segments .at (i).primitives ;
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- if (hasSamePrimitives (target_primitives, original_front_primitives)) {
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- return 0 ;
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+ // =============================================================================================
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+ // NOTE: the target route is calculated while ego is driving on the original route, so basically
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+ // the first lane of the target route should be in the orginal route lanelets. So the common
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+ // segment interval matches the beginning of the target route. The exeception is that if ego is
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+ // on an intersection lanelet, getClosestLanelet() may not return the same lanelet which exists
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+ // in the original route. In that case the common segment interval does not match the beginnng of
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+ // the target lanelet
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+ // =============================================================================================
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+ const auto start_idx_opt =
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+ std::invoke ([&]() -> std::optional<std::pair<size_t /* original */ , size_t /* target */ >> {
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+ for (size_t i = 0 ; i < original_route.segments .size (); ++i) {
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+ const auto & original_segment = original_route.segments .at (i).primitives ;
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+ for (size_t j = 0 ; j < target_route.segments .size (); ++j) {
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+ const auto & target_segment = target_route.segments .at (j).primitives ;
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+ if (hasSamePrimitives (original_segment, target_segment)) {
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+ return std::make_pair (i, j);
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+ }
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+ }
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}
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- }
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-
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- return std::nullopt;
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- });
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+ return std::nullopt;
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+ });
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if (!start_idx_opt.has_value ()) {
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RCLCPP_ERROR (
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get_logger (), " Check reroute safety failed. Cannot find the start index of the route." );
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return false ;
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}
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- const size_t start_idx = start_idx_opt.value ();
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+ const auto [start_idx_original, start_idx_target] = start_idx_opt.value ();
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// find last idx that matches the target primitives
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- size_t end_idx = start_idx;
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- for (size_t i = 1 ; i < target_route.segments .size (); ++i) {
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- if (start_idx + i > original_route.segments .size () - 1 ) {
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+ size_t end_idx_original = start_idx_original;
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+ size_t end_idx_target = start_idx_target;
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+ for (size_t i = 1 ; i < target_route.segments .size () - start_idx_target; ++i) {
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+ if (start_idx_original + i > original_route.segments .size () - 1 ) {
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break ;
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}
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- const auto & original_primitives = original_route.segments .at (start_idx + i).primitives ;
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- const auto & target_primitives = target_route.segments .at (i).primitives ;
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+ const auto & original_primitives =
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+ original_route.segments .at (start_idx_original + i).primitives ;
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+ const auto & target_primitives = target_route.segments .at (start_idx_target + i).primitives ;
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if (!hasSamePrimitives (original_primitives, target_primitives)) {
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break ;
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}
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- end_idx = start_idx + i;
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- }
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-
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- // create map
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- auto lanelet_map_ptr_ = std::make_shared<lanelet::LaneletMap>();
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- lanelet::utils::conversion::fromBinMsg (*map_ptr_, lanelet_map_ptr_);
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+ end_idx_original = start_idx_original + i;
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+ end_idx_target = start_idx_target + i;
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+ }
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+
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+ // if the front of target route is not the front of common segment, it is expected that the front
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+ // of the target route is conflicting with another lane which is equal to original
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+ // route[start_idx_original-1]
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+ double accumulated_length = 0.0 ;
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+
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+ if (start_idx_target != 0 && start_idx_original > 1 ) {
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+ // compute distance from the current pose to the beginning of the common segment
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+ const auto current_pose = target_route.start_pose ;
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+ const auto primitives = original_route.segments .at (start_idx_original - 1 ).primitives ;
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+ lanelet::ConstLanelets start_lanelets;
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+ for (const auto & primitive : primitives) {
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+ const auto lanelet = lanelet_map_ptr_->laneletLayer .get (primitive.id );
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+ start_lanelets.push_back (lanelet);
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+ }
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+ // closest lanelet in start lanelets
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+ lanelet::ConstLanelet closest_lanelet;
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+ if (!lanelet::utils::query::getClosestLanelet (start_lanelets, current_pose, &closest_lanelet)) {
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+ return false ;
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+ }
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- // compute distance from the current pose to the end of the current lanelet
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- const auto current_pose = target_route.start_pose ;
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- const auto primitives = original_route.segments .at (start_idx).primitives ;
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- lanelet::ConstLanelets start_lanelets;
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- for (const auto & primitive : primitives) {
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- const auto lanelet = lanelet_map_ptr_->laneletLayer .get (primitive.id );
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- start_lanelets.push_back (lanelet);
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- }
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+ const auto & centerline_2d = lanelet::utils::to2D (closest_lanelet.centerline ());
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+ const auto lanelet_point = lanelet::utils::conversion::toLaneletPoint (current_pose.position );
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+ const auto arc_coordinates = lanelet::geometry::toArcCoordinates (
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+ centerline_2d, lanelet::utils::to2D (lanelet_point).basicPoint ());
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+ const double dist_to_current_pose = arc_coordinates.length ;
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+ const double lanelet_length = lanelet::utils::getLaneletLength2d (closest_lanelet);
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+ accumulated_length = lanelet_length - dist_to_current_pose;
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+ } else {
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+ // compute distance from the current pose to the end of the current lanelet
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+ const auto current_pose = target_route.start_pose ;
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+ const auto primitives = original_route.segments .at (start_idx_original).primitives ;
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+ lanelet::ConstLanelets start_lanelets;
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+ for (const auto & primitive : primitives) {
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+ const auto lanelet = lanelet_map_ptr_->laneletLayer .get (primitive.id );
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+ start_lanelets.push_back (lanelet);
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+ }
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+ // closest lanelet in start lanelets
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+ lanelet::ConstLanelet closest_lanelet;
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+ if (!lanelet::utils::query::getClosestLanelet (start_lanelets, current_pose, &closest_lanelet)) {
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+ return false ;
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+ }
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- // get closest lanelet in start lanelets
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- lanelet::ConstLanelet closest_lanelet;
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- if (!lanelet::utils::query::getClosestLanelet (start_lanelets, current_pose, &closest_lanelet)) {
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- RCLCPP_ERROR (get_logger (), " Check reroute safety failed. Cannot find the closest lanelet." );
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- return false ;
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+ const auto & centerline_2d = lanelet::utils::to2D (closest_lanelet.centerline ());
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+ const auto lanelet_point = lanelet::utils::conversion::toLaneletPoint (current_pose.position );
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+ const auto arc_coordinates = lanelet::geometry::toArcCoordinates (
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+ centerline_2d, lanelet::utils::to2D (lanelet_point).basicPoint ());
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+ const double dist_to_current_pose = arc_coordinates.length ;
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+ const double lanelet_length = lanelet::utils::getLaneletLength2d (closest_lanelet);
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+ accumulated_length = lanelet_length - dist_to_current_pose;
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}
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- const auto & centerline_2d = lanelet::utils::to2D (closest_lanelet.centerline ());
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- const auto lanelet_point = lanelet::utils::conversion::toLaneletPoint (current_pose.position );
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- const auto arc_coordinates = lanelet::geometry::toArcCoordinates (
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- centerline_2d, lanelet::utils::to2D (lanelet_point).basicPoint ());
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- const double dist_to_current_pose = arc_coordinates.length ;
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- const double lanelet_length = lanelet::utils::getLaneletLength2d (closest_lanelet);
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- double accumulated_length = lanelet_length - dist_to_current_pose;
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-
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// compute distance from the start_idx+1 to end_idx
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- for (size_t i = start_idx + 1 ; i <= end_idx ; ++i) {
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+ for (size_t i = start_idx_original + 1 ; i <= end_idx_original ; ++i) {
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const auto primitives = original_route.segments .at (i).primitives ;
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if (primitives.empty ()) {
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break ;
@@ -534,7 +543,7 @@ bool MissionPlanner::check_reroute_safety(
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}
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// check if the goal is inside of the target terminal lanelet
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- const auto & target_end_primitives = target_route.segments .at (end_idx - start_idx ).primitives ;
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+ const auto & target_end_primitives = target_route.segments .at (end_idx_target ).primitives ;
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const auto & target_goal = target_route.goal_pose ;
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for (const auto & target_end_primitive : target_end_primitives) {
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const auto lanelet = lanelet_map_ptr_->laneletLayer .get (target_end_primitive.id );
@@ -546,8 +555,11 @@ bool MissionPlanner::check_reroute_safety(
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lanelet::utils::to2D (target_goal_position).basicPoint ())
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.length ;
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const double target_lanelet_length = lanelet::utils::getLaneletLength2d (lanelet);
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- const double dist = target_lanelet_length - dist_to_goal;
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- accumulated_length = std::max (accumulated_length - dist, 0.0 );
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+ // NOTE: `accumulated_length` here contains the length of the entire target_end_primitive, so
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+ // the remaining distance from the goal to the end of the target_end_primitive needs to be
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+ // subtracted.
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+ const double remaining_dist = target_lanelet_length - dist_to_goal;
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+ accumulated_length = std::max (accumulated_length - remaining_dist, 0.0 );
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break ;
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}
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}
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