cartographer/configuration_files/pose_graph.lua

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-- 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.
POSE_GRAPH = {
optimize_every_n_nodes = 90,
constraint_builder = {
sampling_ratio = 0.3,
max_constraint_distance = 15.,
min_score = 0.55,
global_localization_min_score = 0.6,
loop_closure_translation_weight = 1.1e4,
loop_closure_rotation_weight = 1e5,
log_matches = true,
fast_correlative_scan_matcher = {
linear_search_window = 7.,
angular_search_window = math.rad(30.),
branch_and_bound_depth = 7,
},
ceres_scan_matcher = {
occupied_space_weight = 20.,
translation_weight = 10.,
rotation_weight = 1.,
ceres_solver_options = {
use_nonmonotonic_steps = true,
max_num_iterations = 10,
num_threads = 1,
},
},
fast_correlative_scan_matcher_3d = {
branch_and_bound_depth = 8,
full_resolution_depth = 3,
min_rotational_score = 0.77,
min_low_resolution_score = 0.55,
linear_xy_search_window = 5.,
linear_z_search_window = 1.,
angular_search_window = math.rad(15.),
},
ceres_scan_matcher_3d = {
occupied_space_weight_0 = 5.,
occupied_space_weight_1 = 30.,
translation_weight = 10.,
rotation_weight = 1.,
only_optimize_yaw = false,
ceres_solver_options = {
use_nonmonotonic_steps = false,
max_num_iterations = 10,
num_threads = 1,
},
},
},
matcher_translation_weight = 5e2,
matcher_rotation_weight = 1.6e3,
optimization_problem = {
huber_scale = 1e1,
acceleration_weight = 1e3,
rotation_weight = 3e5,
local_slam_pose_translation_weight = 1e5,
local_slam_pose_rotation_weight = 1e5,
odometry_translation_weight = 1e5,
odometry_rotation_weight = 1e5,
fixed_frame_pose_translation_weight = 1e1,
fixed_frame_pose_rotation_weight = 1e2,
fixed_frame_pose_use_tolerant_loss = false,
fixed_frame_pose_tolerant_loss_param_a = 1,
fixed_frame_pose_tolerant_loss_param_b = 1,
log_solver_summary = false,
use_online_imu_extrinsics_in_3d = true,
fix_z_in_3d = false,
ceres_solver_options = {
use_nonmonotonic_steps = false,
max_num_iterations = 50,
num_threads = 7,
},
},
max_num_final_iterations = 200,
global_sampling_ratio = 0.003,
log_residual_histograms = true,
global_constraint_search_after_n_seconds = 10.,
-- overlapping_submaps_trimmer_2d = {
-- fresh_submaps_count = 1,
-- min_covered_area = 2,
-- min_added_submaps_count = 5,
-- },
}