cartographer/cartographer/mapping_2d/scan_matching/fast_global_localizer.cc

62 lines
2.1 KiB
C++

/*
* Copyright 2016 The Cartographer Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "cartographer/mapping_2d/scan_matching/fast_global_localizer.h"
#include "glog/logging.h"
namespace cartographer {
namespace mapping_2d {
namespace scan_matching {
bool PerformGlobalLocalization(
const float cutoff,
const cartographer::sensor::AdaptiveVoxelFilter& voxel_filter,
const std::vector<
cartographer::mapping_2d::scan_matching::FastCorrelativeScanMatcher*>&
matchers,
const cartographer::sensor::PointCloud& point_cloud,
transform::Rigid2d* const best_pose_estimate, float* const best_score) {
CHECK(best_pose_estimate != nullptr)
<< "Need a non-null output_pose_estimate!";
CHECK(best_score != nullptr) << "Need a non-null best_score!";
*best_score = cutoff;
transform::Rigid2d pose_estimate;
const sensor::PointCloud filtered_point_cloud =
voxel_filter.Filter(point_cloud);
bool success = false;
if (matchers.size() == 0) {
LOG(WARNING) << "Map not yet large enough to localize in!";
return false;
}
for (auto& matcher : matchers) {
float score = -1;
transform::Rigid2d pose_estimate;
if (matcher->MatchFullSubmap(filtered_point_cloud, *best_score, &score,
&pose_estimate)) {
CHECK_GT(score, *best_score) << "MatchFullSubmap lied!";
*best_score = score;
*best_pose_estimate = pose_estimate;
success = true;
}
}
return success;
}
} // namespace scan_matching
} // namespace mapping_2d
} // namespace cartographer