cartographer/cartographer/mapping/internal/testing/test_helpers.cc

178 lines
7.2 KiB
C++

/*
* Copyright 2017 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/internal/testing/test_helpers.h"
#include "cartographer/common/config.h"
#include "cartographer/common/configuration_file_resolver.h"
#include "cartographer/common/lua_parameter_dictionary_test_helpers.h"
#include "cartographer/common/make_unique.h"
#include "cartographer/sensor/timed_point_cloud_data.h"
#include "cartographer/transform/transform.h"
namespace cartographer {
namespace mapping {
namespace testing {
std::unique_ptr<::cartographer::common::LuaParameterDictionary>
ResolveLuaParameters(const std::string& lua_code) {
auto file_resolver = ::cartographer::common::make_unique<
::cartographer::common::ConfigurationFileResolver>(
std::vector<std::string>{
std::string(::cartographer::common::kSourceDirectory) +
"/configuration_files"});
return common::make_unique<::cartographer::common::LuaParameterDictionary>(
lua_code, std::move(file_resolver));
}
std::vector<cartographer::sensor::TimedPointCloudData>
GenerateFakeRangeMeasurements(double travel_distance, double duration,
double time_step) {
const Eigen::Vector3f kDirection = Eigen::Vector3f(2., 1., 0.).normalized();
return GenerateFakeRangeMeasurements(kDirection * travel_distance, duration,
time_step,
transform::Rigid3f::Identity());
}
std::vector<cartographer::sensor::TimedPointCloudData>
GenerateFakeRangeMeasurements(const Eigen::Vector3f& translation,
double duration, double time_step,
const transform::Rigid3f& local_to_global) {
std::vector<cartographer::sensor::TimedPointCloudData> measurements;
cartographer::sensor::TimedPointCloud point_cloud;
for (double angle = 0.; angle < M_PI; angle += 0.01) {
for (double height : {-0.4, -0.2, 0.0, 0.2, 0.4}) {
constexpr double kRadius = 5;
point_cloud.emplace_back(kRadius * std::cos(angle),
kRadius * std::sin(angle), height, 0.);
}
}
const Eigen::Vector3f kVelocity = translation / duration;
for (double elapsed_time = 0.; elapsed_time < duration;
elapsed_time += time_step) {
cartographer::common::Time time =
cartographer::common::FromUniversal(123) +
cartographer::common::FromSeconds(elapsed_time);
cartographer::transform::Rigid3f global_pose =
local_to_global *
cartographer::transform::Rigid3f::Translation(elapsed_time * kVelocity);
cartographer::sensor::TimedPointCloud ranges =
cartographer::sensor::TransformTimedPointCloud(point_cloud,
global_pose.inverse());
measurements.emplace_back(cartographer::sensor::TimedPointCloudData{
time, Eigen::Vector3f::Zero(), ranges});
}
return measurements;
}
proto::Submap CreateFakeSubmap3D(int trajectory_id, int submap_index) {
proto::Submap proto;
proto.mutable_submap_id()->set_trajectory_id(trajectory_id);
proto.mutable_submap_id()->set_submap_index(submap_index);
proto.mutable_submap_3d()->set_num_range_data(1);
*proto.mutable_submap_3d()->mutable_local_pose() =
transform::ToProto(transform::Rigid3d::Identity());
proto.mutable_submap_3d()->set_finished(true);
return proto;
}
proto::Node CreateFakeNode(int trajectory_id, int node_index) {
proto::Node proto;
proto.mutable_node_id()->set_trajectory_id(trajectory_id);
proto.mutable_node_id()->set_node_index(node_index);
proto.mutable_node_data()->set_timestamp(42);
*proto.mutable_node_data()->mutable_local_pose() =
transform::ToProto(transform::Rigid3d::Identity());
return proto;
}
proto::PoseGraph::Constraint CreateFakeConstraint(const proto::Node& node,
const proto::Submap& submap) {
proto::PoseGraph::Constraint proto;
proto.mutable_submap_id()->set_submap_index(
submap.submap_id().submap_index());
proto.mutable_submap_id()->set_trajectory_id(
submap.submap_id().trajectory_id());
proto.mutable_node_id()->set_node_index(node.node_id().node_index());
proto.mutable_node_id()->set_trajectory_id(node.node_id().trajectory_id());
transform::Rigid3d pose(
Eigen::Vector3d(2., 3., 4.),
Eigen::AngleAxisd(M_PI / 8., Eigen::Vector3d::UnitX()));
*proto.mutable_relative_pose() = transform::ToProto(pose);
proto.set_translation_weight(0.2f);
proto.set_rotation_weight(0.1f);
proto.set_tag(proto::PoseGraph::Constraint::INTER_SUBMAP);
return proto;
}
proto::Trajectory* CreateTrajectoryIfNeeded(int trajectory_id,
proto::PoseGraph* pose_graph) {
for (int i = 0; i < pose_graph->trajectory_size(); ++i) {
proto::Trajectory* trajectory = pose_graph->mutable_trajectory(i);
if (trajectory->trajectory_id() == trajectory_id) {
return trajectory;
}
}
proto::Trajectory* trajectory = pose_graph->add_trajectory();
trajectory->set_trajectory_id(trajectory_id);
return trajectory;
}
proto::PoseGraph::LandmarkPose CreateFakeLandmark(
const std::string& landmark_id, const transform::Rigid3d& global_pose) {
proto::PoseGraph::LandmarkPose landmark;
landmark.set_landmark_id(landmark_id);
*landmark.mutable_global_pose() = transform::ToProto(global_pose);
return landmark;
}
void AddToProtoGraph(const proto::Node& node_data,
proto::PoseGraph* pose_graph) {
auto* trajectory =
CreateTrajectoryIfNeeded(node_data.node_id().trajectory_id(), pose_graph);
auto* node = trajectory->add_node();
node->set_timestamp(node_data.node_data().timestamp());
node->set_node_index(node_data.node_id().node_index());
*node->mutable_pose() = node_data.node_data().local_pose();
}
void AddToProtoGraph(const proto::Submap& submap_data,
proto::PoseGraph* pose_graph) {
auto* trajectory = CreateTrajectoryIfNeeded(
submap_data.submap_id().trajectory_id(), pose_graph);
auto* submap = trajectory->add_submap();
submap->set_submap_index(submap_data.submap_id().submap_index());
if (submap_data.has_submap_2d()) {
*submap->mutable_pose() = submap_data.submap_2d().local_pose();
} else {
*submap->mutable_pose() = submap_data.submap_3d().local_pose();
}
}
void AddToProtoGraph(const proto::PoseGraph::Constraint& constraint,
proto::PoseGraph* pose_graph) {
*pose_graph->add_constraint() = constraint;
}
void AddToProtoGraph(const proto::PoseGraph::LandmarkPose& landmark,
proto::PoseGraph* pose_graph) {
*pose_graph->add_landmark_poses() = landmark;
}
} // namespace testing
} // namespace mapping
} // namespace cartographer