added unreal simulation tmux and configs

ros_packages/mrs_open_vins_core/config/unreal_simulation/estimator_config.yaml

@@ -0,0 +1,126 @@
+%YAML:1.0 # need to specify the file type at the top!
+
+verbosity: "DEBUG" # ALL, DEBUG, INFO, WARNING, ERROR, SILENT
+
+use_fej: true # if first-estimate Jacobians should be used (enable for good consistency)
+integration: "rk4" # discrete, rk4, analytical (if rk4 or analytical used then analytical covariance propagation is used)
+use_stereo: false # if we have more than 1 camera, if we should try to track stereo constraints between pairs
+max_cameras: 1 # how many cameras we have 1 = mono, 2 = stereo, >2 = binocular (all mono tracking)
+
+calib_cam_extrinsics: true # if the transform between camera and IMU should be optimized R_ItoC, p_CinI
+calib_cam_intrinsics: true # if camera intrinsics should be optimized (focal, center, distortion)
+calib_cam_timeoffset: true # if timeoffset between camera and IMU should be optimized
+calib_imu_intrinsics: false # if imu intrinsics should be calibrated (rotation and skew-scale matrix)
+calib_imu_g_sensitivity: false # if gyroscope gravity sensitivity (Tg) should be calibrated
+
+max_clones: 11 # how many clones in the sliding window
+max_slam: 100 # number of features in our state vector
+max_slam_in_update: 25 # update can be split into sequential updates of batches, how many in a batch
+max_msckf_in_update: 50 # how many MSCKF features to use in the update
+dt_slam_delay: 3 # delay before initializing (helps with stability from bad initialization...)
+
+gravity_mag: 9.81 # magnitude of gravity in this location
+
+feat_rep_msckf: "GLOBAL_3D"
+feat_rep_slam: "ANCHORED_MSCKF_INVERSE_DEPTH"
+feat_rep_aruco: "ANCHORED_MSCKF_INVERSE_DEPTH"
+# feat_rep_slam: "ANCHORED_FULL_INVERSE_DEPTH"
+# feat_rep_aruco: "ANCHORED_FULL_INVERSE_DEPTH"
+
+# zero velocity update parameters we can use
+# we support either IMU-based or disparity detection.
+try_zupt: false
+zupt_chi2_multipler: 0 # set to 0 for only disp-based
+zupt_max_velocity: 0.1
+zupt_noise_multiplier: 50
+zupt_max_disparity: 1.5 # set to 0 for only imu-based
+zupt_only_at_beginning: true
+
+# ==================================================================
+# ==================================================================
+
+init_window_time: 2.0 # how many seconds to collect initialization information
+# init_window_time: 2.0 # how many seconds to collect initialization information
+init_imu_thresh: 0.05 # threshold for variance of the accelerometer to detect a "jerk" in motion
+init_max_disparity: 20.0 # max disparity to consider the platform stationary (dependent on resolution)
+init_max_features: 75 # how many features to track during initialization (saves on computation)
+
+init_dyn_use: false # if dynamic initialization should be used
+init_dyn_mle_opt_calib: false # if we should optimize calibration during intialization (not recommended)
+init_dyn_mle_max_iter: 50 # how many iterations the MLE refinement should use (zero to skip the MLE)
+init_dyn_mle_max_time: 0.05 # how many seconds the MLE should be completed in
+init_dyn_mle_max_threads: 6 # how many threads the MLE should use
+init_dyn_num_pose: 6 # number of poses to use within our window time (evenly spaced)
+init_dyn_min_deg: 10.0 # orientation change needed to try to init
+
+init_dyn_inflation_ori: 10 # what to inflate the recovered q_GtoI covariance by
+init_dyn_inflation_vel: 100 # what to inflate the recovered v_IinG covariance by
+init_dyn_inflation_bg: 10 # what to inflate the recovered bias_g covariance by
+init_dyn_inflation_ba: 100 # what to inflate the recovered bias_a covariance by
+init_dyn_min_rec_cond: 1e-12 # reciprocal condition number thresh for info inversion
+
+init_dyn_bias_g: [ 0.0, 0.0, 0.0 ] # initial gyroscope bias guess
+init_dyn_bias_a: [ 0.0, 0.0, 0.0 ] # initial accelerometer bias guess
+
+# ==================================================================
+# ==================================================================
+
+record_timing_information: false # if we want to record timing information of the method
+record_timing_filepath: "/tmp/traj_timing.txt" # https://docs.openvins.com/eval-timing.html#eval-ov-timing-flame
+
+# if we want to save the simulation state and its diagional covariance
+# use this with rosrun ov_eval error_simulation
+save_total_state: false
+filepath_est: "/tmp/ov_estimate.txt"
+filepath_std: "/tmp/ov_estimate_std.txt"
+filepath_gt: "/tmp/ov_groundtruth.txt"
+
+# ==================================================================
+# ==================================================================
+
+# our front-end feature tracking parameters
+# we have a KLT and descriptor based (KLT is better implemented...)
+use_klt: true # if true we will use KLT, otherwise use a ORB descriptor + robust matching
+num_pts: 400 # number of points (per camera) we will extract and try to track
+# num_pts: 200 # number of points (per camera) we will extract and try to track
+# fast_threshold: 20 # threshold for fast extraction (warning: lower threshs can be expensive)
+fast_threshold: 15 # threshold for fast extraction (warning: lower threshs can be expensive)
+grid_x: 5 # extraction sub-grid count for horizontal direction (uniform tracking)
+# grid_y: 5 # extraction sub-grid count for vertical direction (uniform tracking)
+grid_y: 3 # extraction sub-grid count for vertical direction (uniform tracking)
+# min_px_dist: 10 # distance between features (features near each other provide less information)
+min_px_dist: 20 # distance between features (features near each other provide less information)
+knn_ratio: 0.70 # descriptor knn threshold for the top two descriptor matches
+track_frequency: 21.0 # frequency we will perform feature tracking at (in frames per second / hertz)
+downsample_cameras: false # will downsample image in half if true
+num_opencv_threads: 4 # -1: auto, 0-1: serial, >1: number of threads
+histogram_method: "HISTOGRAM" # NONE, HISTOGRAM, CLAHE
+
+# aruco tag tracker for the system
+# DICT_6X6_1000 from https://chev.me/arucogen/
+use_aruco: false
+num_aruco: 1024
+downsize_aruco: true
+
+# ==================================================================
+# ==================================================================
+
+# camera noises and chi-squared threshold multipliers
+up_msckf_sigma_px: 1
+up_msckf_chi2_multipler: 1
+up_slam_sigma_px: 1
+up_slam_chi2_multipler: 1
+up_aruco_sigma_px: 1
+up_aruco_chi2_multipler: 1
+
+# masks for our images
+use_mask: false
+
+# imu and camera spacial-temporal
+# imu config should also have the correct noise values
+relative_config_imu: "kalibr_imu_chain.yaml"
+relative_config_imucam: "kalibr_imucam_chain.yaml"
+
+
+
+

ros_packages/mrs_open_vins_core/config/unreal_simulation/kalibr_imu_chain.yaml

@@ -0,0 +1,45 @@
+%YAML:1.0
+
+imu0:
+  T_i_b:
+    - [1.0, 0.0, 0.0, 0.0]
+    - [0.0, 1.0, 0.0, 0.0]
+    - [0.0, 0.0, 1.0, 0.0]
+    - [0.0, 0.0, 0.0, 1.0]
+  accelerometer_noise_density: 2.0000e-3  # [ m / s^2 / sqrt(Hz) ]   ( accel "white noise" )
+  accelerometer_random_walk: 3.0000e-3    # [ m / s^3 / sqrt(Hz) ].  ( accel bias diffusion )
+  gyroscope_noise_density: 1.6968e-04     # [ rad / s / sqrt(Hz) ]   ( gyro "white noise" )
+  gyroscope_random_walk: 1.9393e-05       # [ rad / s^2 / sqrt(Hz) ] ( gyro bias diffusion )
+  # rostopic: /uav0/vio/imu
+  time_offset: 0.0
+  # update_rate: 200.0
+  update_rate: 100.0
+  # three different modes supported:
+  # "calibrated" (same as "kalibr"), "kalibr", "rpng"
+  model: "kalibr"
+  # how to get from Kalibr imu.yaml result file:
+  #   - Tw is imu0:gyroscopes:M:
+  #   - R_IMUtoGYRO: is imu0:gyroscopes:M:
+  #   - Ta is imu0:accelerometers:M:
+  #   - R_IMUtoACC not used by Kalibr
+  #   - Tg is imu0:gyroscopes:A:
+  Tw:
+    - [ 1.0, 0.0, 0.0 ]
+    - [ 0.0, 1.0, 0.0 ]
+    - [ 0.0, 0.0, 1.0 ]
+  R_IMUtoGYRO:
+    - [ 1.0, 0.0, 0.0 ]
+    - [ 0.0, 1.0, 0.0 ]
+    - [ 0.0, 0.0, 1.0 ]
+  Ta:
+    - [ 1.0, 0.0, 0.0 ]
+    - [ 0.0, 1.0, 0.0 ]
+    - [ 0.0, 0.0, 1.0 ]
+  R_IMUtoACC:
+    - [ 1.0, 0.0, 0.0 ]
+    - [ 0.0, 1.0, 0.0 ]
+    - [ 0.0, 0.0, 1.0 ]
+  Tg:
+    - [ 0.0, 0.0, 0.0 ]
+    - [ 0.0, 0.0, 0.0 ]
+    - [ 0.0, 0.0, 0.0 ]

ros_packages/mrs_open_vins_core/config/unreal_simulation/kalibr_imucam_chain.yaml

@@ -0,0 +1,15 @@
+%YAML:1.0
+
+cam0:
+  T_imu_cam: #rotation from camera to IMU R_CtoI, position of camera in IMU p_CinI
+    - [0.0, 0.0, 1.0, 0.107]
+    - [-1.0, 0.0, 0.0, 0.00]
+    - [0.0, -1.0, 0.0, -0.02]
+    - [0.0, 0.0, 0.0, 1.0]
+  cam_overlaps: [0]
+  camera_model: pinhole
+  distortion_coeffs: [0, 0, 0, 0]
+  distortion_model: equidistant
+  intrinsics: [369.5, 640, 230.94, 400] #fu, fv, cu, cv
+  resolution: [1280, 800]
+  # rostopic: /uav0/vio/camera/image_raw

ros_packages/mrs_open_vins_core/launch/simulation_unreal.launch

@@ -0,0 +1,27 @@
+<launch>
+
+  <arg name="UAV_NAME" default="$(optenv UAV_NAME uav1)" />
+
+  <!-- what config we are going to run (should match folder name) -->
+  <arg name="config"      default="unreal_simulation" /> <!-- euroc_mav, tum_vi, rpng_aruco -->
+  <arg name="config_path" default="$(find mrs_open_vins_core)/config/$(arg config)/estimator_config.yaml" />
+
+  <group ns="$(arg UAV_NAME)">
+
+    <node name="republisher" pkg="image_transport" type="republish" args="compressed in:=/$(arg UAV_NAME)/rgbd/image_raw raw out:=/$(arg UAV_NAME)/rgbd/image_raw" output="screen" clear_params="true" required="true" />
+
+    <!-- MASTER NODE! -->
+    <node name="ov_msckf" pkg="ov_msckf" type="run_subscribe_msckf" output="screen" clear_params="true" required="true">
+
+      <!-- master configuration object -->
+      <param name="config_path"            type="string" value="$(arg config_path)" />
+
+      <!-- topics -->
+      <param name="topic_imu"      type="string" value="/$(arg UAV_NAME)/hw_api/imu" />
+      <param name="topic_camera0"  type="string" value="/$(arg UAV_NAME)/rgbd/image_raw" />
+
+    </node>
+
+  </group>
+
+</launch>

ros_packages/mrs_open_vins_core/tmux/unreal_simulation/config/automatic_start.yaml

@@ -0,0 +1,5 @@
+# A timeout between the takeoff being triggered and the UAV actually taking off
+# while the timeout is counting down, the takeoff can be aborted by switching off
+# the offboard mode.
+# default = 5 sec
+safety_timeout: 1.0 # [s]