carla/CHANGELOG.md

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## CARLA 0.9.10
* Upgraded carla Docker image to Ubuntu 18.04
* Added PythonAPI `carla.Osm2Odr.convert()` function and `calra.Osm2OdrSettings` class to support Open Street Maps to OpenDRIVE conversions
* Upgraded to AD RSS v4.1.0 supporting unstructured scenes and pedestrians, and fixed spdlog to v1.7.0
* Fixed a bug in `spawn_npc_sumo` script computing not allowed routes for a given vehicle class
* Fixed a bug where `get_traffic_light` would always return `None`
* Changed frozen behavior for traffic lights. It now affects to all traffic lights at the same time
* Added API function `freeze_all_traffic_lights` and `reset_group`
* Fixed recorder determinism problems
* Added function to stop the replayer
* Added Light ids
* Added new semantic segmenation tags: `RailTrack`, `GuardRail`, `TrafficLight`, `Static`, `Dynamic`, `Water` and `Terrain`
* Fixed several untagged and mistagged objects
* Added vehicle light and street light data to recorder
* Added API function `add_angular_impulse()` to add angular impulse to any actor
* Fixed rain drop spawn issues when spawning camera sensors
* Fixed assets import pipeline
* Fixed Update.sh from failing when the root folder contains a space on it
* Fixed colors of lane markings when importing a map, they were reversed (white and yellow)
* Fixed missing include directive in file **WheelPhysicsControl.h**
* Fixed gravity measurement bug from IMU sensor
* All sensors are now multi-stream, that means that the same sensor can be listened from different clients
* Fixed point cloud of LiDAR. Now the points are given correctly in the sensor's coordinate system
* Fixed light intensity and camera parameters to match
* New Lidar sensor ('lidar.ray_cast_semantic') that returns the point cloud with information regarding to the object that have collided: incident angle, idx of collided actor and it semantic tag
* Added `opend3D.py`, a more friendly LiDAR visualizer
* Exposed matrix form of transformation to the client and Python API
* Added make command to download contributions as plugins (`make plugins`)
* Added PythonAPI command to set multiple car light states at once
* Added PythonAPI `carla.world.get_vehicles_light_states` to get all the car light states at once
* OpenDRIVE ingestion bugfixes
* Added a warning if the user tries to use the SpringArm exactly in the 'z' axis of the attached actor
* Improved the LiDAR and Radar sensors with a parallel implentation of the raycasting
* Added an approximation of the intensity of each point of the cloud in the LiDAR sensor
* Added Dynamic Vision Sensor (DVS) camera based on ESIM simulation http://rpg.ifi.uzh.ch/esim.html
* Improved LiDAR and radar to better match the shape of the vehicles
* Added support for additional TraCI clients in Sumo co-simulation
* Added script example to syncronize the gathering of sensor data in client
* Added API functions `get_right_vector` and `get_up_vector`
* Added default values and a warning message for lanes missing the width parameter in OpenDRIVE
* Added parameter to enable/disable pedestrian navigation in standalone mode
* Improved mesh split in standalone mode
* Fixed delay in the tcp communication from server to client, improving performance in synchronous mode in linux systems
* Fixed large RAM usage when loading polinomial geometry from OpenDRIVE
* Fixed collision issues when debug draw(debug.draw_line) is called
* Fixed Gyroscope sensor to properly give angular velocity readings in local frame
* Added Renderdoc plugin to the Unreal project
* Added configurable noise to Lidar sensor
* Replace deprectated `platform.dist()` with recommended `distro.linux_distribution()`
* Improved the performance on capture sensors.
* Fixed minor typo in the introduction section of documentation.
## CARLA 0.9.9
* Introduced hybrid mode for Traffic Manager
* Upgraded to Unreal Engine 4.24
* Fixed autonomous agents' incorrect detection of red traffic lights affecting them
* Improved manual_control by adding realistic throttle and brake
* Added walkable pedestrian crosswalks in OpenDRIVE standalone mode
* Improved mesh generation with a chunk system for better performance and bigger maps in the future
* Added security features to the standalone OpenDRIVE mode aiming to prevent cars from falling down from the road
* Added junction smoothing algorithm to prevent roads from blocking other roads with level differences
* Added new Behavior agent
* Added automatic generation of traffic lights, stop signal and yield signal from OpenDRIVE file
* Upgraded to AD RSS v3.0.0 supporting complex road layouts and i.e. intersections
* Added examples of sumo co-simulation for Town01, Town04 and Town05
* Added ptv vissim and carla co-simulation
* Fixed `GetLeftLaneMarking()` from a possible runtime error
* API extensions:
- Added new methods to `Map`: `get_all_landmarks`, `get_all_landmarks_from_id` and `get_all_landmarks_of_type`
* Added synchronization of traffic lights in sumo co-simulation
* Added light manager to control the lights of the map
## CARLA 0.9.8
* Added beta version sumo-carla co-simulation
* Traffic Manager:
- Added benchmark
- Added synchronous mode
- Fixed change map error
- Added multiclient architecture
- Added multi Traffic Manager architecture
- Fixed linkage between waypoints
- Implemented intersection anticipation
- Implemented vehicle destruction when stuck
- Implemented tunable parameters
- Revamped lane changes
* Added landmark class for signal-related queries
* Added support to parse OpenDRIVE signals
* Added junction class as queryable object from waypoint
* Added timeout to World Tick
* Added simple physical map generation from standalone OpenDRIVE data
* Added support for generating walker navigation on server-side
* Added support for new geometry: `spiral`, `poly3`, and `paramPoly3`
* Improved `get_waypoint(location)` performance
* New weather system: night time, fog, rain ripples, and now wind affects vegetation and rain (not car physics)
* Fixed Low/Epic quality settings transition
* Enabled Mesh distance fields
* API extensions:
- Added new methods to `BoundingBox`: `contains()`, `get_local_vertices()` and `get_world_vertices(transform)`
- Added new function to get a waypoint specifying parameters from the OpenDRIVE: `map.get_waypoint_xodr(road_id, lane_id, s)`
- Added 3 new parameters for the `carla.Weather`: `fog_density`, `fog_distance`, and (ground) `wetness`
- Added `carla.client.generate_opendrive_world(opendrive)` that loads a map with custom OpenDRIVE basic physical topology
* New python clients:
- `weather.py`: allows weather changes using the new weather parameters
* Fixed docker build of `.BIN` for pedestrian navigation
* Fixed `local_planner.py`: agent will now stop when it reaches the desired destination
* Fixed crash when missing elevation profile and lane offset in OpenDRIVE
* Fixed typos
* Fixed agent failures due to API changes in `is_within_distance_ahead()`
* Fixed assertion bug when using LibCarla
* Fixed incorrect doppler velocity for RADAR sensor
* Fixed documentation links
* Upgraded Boost to 1.72.0
* Recorder feature:
- Added an option `-i` to `start_replaying.py` to replay a session ignoreing the hero vehicles
* Fixed import pipeline bugs:
- Crash when no pedestrian navmesh is present
- Automatically imported static meshes not properly tagged
* Fixed PID controller's sensitivity to time discretization
## CARLA 0.9.7
* Upgraded parameters of Unreal/CarlaUE4/Config/DefaultInput.ini to prevent mouse freeze
* Add build variant with AD RSS library integration with RSS sensor and result visualisation
* Support for OpenGL and Vulkan in docker + headless mode
* Added new sensor: Inertial measurement unit (IMU)
* Added new sensor: Radar
* Exposed rgb camera attributes: exposure, depth of field, tonemapper, color correction, and chromatic aberration
* Now all the camera-based sensors are provided with an additional parametrized lens distortion shader
* Added Traffic Manager to replace autopilot in managing the NPC vehicles
* Improved pedestrians navigation
* API changes:
- Lidar: `range` is now set in meters, not in centimeters
- Lidar: `horizontal_angle` is now received in radians, not in degrees
- GNSS: `carla.GnssEvent` renamed to `carla.GnssMeasurement`
* API extensions:
- Added `carla.IMUMeasurement`
- Added `carla.RadarMeasurement` and `carla.RadarDetection`
- GNSS data can now be obtained with noise
- IMU data can now be obtained with noise
* Moved GNSS sensor from client to server side
* Added exporter plugin for UE4 to allow export meshes ready for Recast calculation
* The 'make import' process now rename the assets accordingly and set complex collision as simple
* New Python API function added (map.get_crosswalks()) that returns a list with all points that define the crosswalk zones from OpenDRIVE file
* Updated `manual_control.py` with a lens disortion effect example
* Updated `manual_control.py` with IMU and Radar realtime visualization
* Fixed pylint for python3 in travis
* Fixed PointCloudIO `cout` that interfiered with other python modules
* Better steering in manual control
* Added Doxygen documentation online with automatic updates through Jenkins pipeline
* Fixed an error in `automatic_control.py` failing because the `Num Lock` key
* Fixed client_bounding_boxes.py example script
* Fixed materials and semantic segmentation issues regarding importing assets
* Fixed ObstacleSensor to return HitDistance instead of HitRadius
## CARLA 0.9.6
* Upgraded to Unreal Engine 4.22
* Added Vulkan support, if installed, CARLA will use Vulkan, use `-opengl` flag to launch with OpenGL
* The simulator is now compiled in "Shipping" mode, faster but it accepts less command-line arguments
* Pedestrians are back:
- Spawn pedestrians that will roam randomly on sidewalks
- The script 'spawn_npc.py' spawns now pedestrians, adjust the number with the flag `-w`
- Added navigation meshes for each maps for pedestrian navigation
* Allow adding custom props (FBX) to CARLA Blueprint library so they are spawnable
* Simplified pipeline for importing and packaging maps and custom props
* Vehicle physics:
- Added access to vehicle transmission details
- Added access to vehicle physics brake values
- Added tire friction trigger boxes for simulating slippery surfaces
* Added camera gamma correction as command-line argument to manual_control.py
* Added ability to set motion blur settings for RGB camera in sensor python blueprint
* Added C++ client example using LibCarla
* Added PythonAPI documentation generator, we documented in detail all the Python reference
* Added a new Python script config.py that allows the user to configure the simulator from the command-line
* New recorder features:
- Documented recorded system and binary file
- Added optional parameter to show more details about a recorder file (related to `show_recorder_file_info.py`)
- Added playback speed (slow/fast motion) to the replayer
- Allow custom paths for saving the recorded files
- More data is now recorded to replay animations:
+ Wheels of vehicles are animated (steering, throttle, handbrake), also bikes and motorbikes
+ Walker animations are simulated (through speed of walker)
* New high quality pedestrians: female, girl and boy; improved meshes and textures
* More color and texture variations for each pedestrian
* New vehicle Audi Etron: 25.000 tris and LODs
* New material for Mustang, new system that will allow us to improve all the vehicle materials
* Improved vehicle Tesla
* New high-quality "Default" weather tailor-made for each map
* Improved the rest of weather profiles too
* RGB camera improvements:
- Enabled temporal antialiasing and motion blur
- Added gamma value and motion blur as a blueprint attributes
- Enabled texture streaming for scene captures
* API changes:
- Renamed `frame_count` and `frame_number` as `frame`, old members are kept as deprecated
- `world.wait_for_tick()` now returns a `carla.WorldSnapshot`
- The callback of `world.on_tick(callback)` now receives a `carla.WorldSnapshot`
- Deprecated waypoint's `is_intersection`, use `is_junction` instead
* API extensions:
- Added attachment type "SpringArm" for cinematic cameras
- Added waypoint's `junction_id` that returns de OpenDrive identifier of the current junction
- Added `world.get_actor(id)` to find a single actor by id
- Added `carla.WeatherParameters.Default` for the default (tailor-made for each town) weather profile
- Added `WorldSnapshot` that contains a list of `ActorSnapshot`, allows capturings a "still image" of the world at a single frame
- Added `world.tick()` now synchronizes with the simulator and returns the id of the newly started frame
- Added `world.apply_settings(settings)` now synchronizes with the simulator and returns the id of the frame when the settings took effect
- Added `world.remove_on_tick(id)` to allow removing on tick callbacks
- Added allow setting fixed frame-rate from client-side, now is part of `carla.WorldSettings`
- Added `is_invincible` to walkers
* Several optimizations to the RPC server, now supports a bigger load of async messages
* Updated DebugHelper to render on Shipping packages, it has also better performance
* Updated OpenDriveActor to use the new Waypoint API
* Removed deprecated code and content
* Exposed waypoints and OpenDrive map to UE4 Blueprints
* Change the weight of cars. All cars have been compared with the real to have a feedback more real
* Recorder fixes:
- When a recorded session finish replaying, all vehicles will continue in autopilot, and all pedestrians will stop
- Fixed a possible crash if an actor is respawned before the episode is ready when a new map is loaded automatically
- Actors at start of playback could interpolate positions from its current position instead than the recorded position
- Camera following in playback was not working if a new map was needed to load
- API function 'show_recorder_file_info' was showing the wrong parent id
- Script 'start_recording.py' now properly saves destruction of actors at stop
- Problem when vehicles enable autopilot after a replayer, now it works better
* Fixed dead-lock when loading a new map in synchronous mode
* Fixed get_actors may produce actors without parent
* Fixed std::bad_cast when importing other libraries, like tensorflow, before carla
* Fixed latitude in WGS84 reprojection code such that Latitudes increase as one move north in CARLA worlds
* Fixed walking animations, the animations now go at the same speed as the game
* Fixed loading and reloading world not using the timeout
* Fixed XODR files can be found now anywhere in content
* Fixed bug related with Pygame error of surface too large, added sidewalks and improved lane markings in `no_rendering_mode.py`
* Fixed Lidar effectiveness bug in manual_control.py
* Fixed wrong units in VehiclePhysicsControl's center of mass
* Fixed semantic segmentation of bike riders
* Fixed inconsistent streetlights in Town03
* Fixed incorrect vehicle bounds
## CARLA 0.9.5
* Added `client_bounding_boxes.py` to show bounding boxes client-side
* New Town07, rural environment with narrow roads
* Reworked OpenDRIVE parser and waypoints API
- Fixed several situations in which the XODR was incorrectly parsed
- Exposed more information: lane marking, lane type, lane section id, s
- API change: waypoint's `lane_type` is now an enum, `carla.LaneType`
- API change: `carla.LaneMarking` is not an enum anymore, extended with color, type, lane change, and width
- API extension: `map.get_waypoint` accepts an extra optional flag argument `lane_type` for filtering lane types
- API extension: `carla.Map` can be constructed off-line out of XODR files, `carla.Map(town_name, xodr_content)`
- API extension: `id` property to waypoints, uniquely identifying waypoints up to half centimetre precision
* API change: Renamed "lane_invasion" to "lane_detector", added too its server-side sensor to be visible to other clients
* API extension: new carla.command.SpawnActor to spawn actors in batch
* API extension: `map.transform_to_geolocation` to transform Location to GNSS GeoLocation
* API extension: added timestamp (elapsed simulation seconds) to SensorData
* API extension: method `client.apply_batch_sync` that sends commands in batch and waits for server response
* API extension: optional argument "actor_ids" to world.get_actors to request only the actors with the ids provided
* Migrated Content to AWS
* Updated `spawn_npc.py` to spawn vehicles in batch
* Added --rolename to "manual_control.py"
* Added options to "no_rendering_mode.py" to draw extra road information
* Added "scene_layout.py" to retrieve the whole information in the scene as Python dict
* Basic agent integrated with global router
* Allow usage of hostname for carla::Client and resolve them to IP addresses
* Added new pack of assets
- Windmill, different farm houses, silo
- Plants corn, dandelion, poppy, and grass
- Yield traffic sign
* Added modular buildings New York style
* Added marking lanes in Town03
* Added command-line arguments to simulator to disable rendering and set the server timeout
* Improved performance in Town01 and Town02
* Changed yellow marking lane from Town01 and Town02 to dashed yellow marking lane
* Improved lane cross detection to use the new Waypoint API
* Enhanced stop triggers options
* Fixed semantic segmentation tags in Town04, Town05, Town06
* Fixed tree collision in Town01
* Fixed VehicleSpawnPoint out of the road in Town01
* Fixed geo-reference of Town01 and Town07
* Fixed floating pillars in Town04
* Fixed floating building in Town03
* Fixed vehicles missing the route if autopilot enabled too late
* Fixed division by zero in is_within_distance_ahead()
* Fixed local planner to avoid premature route pruning at path overlaps
* Fixed global router behavior to be consistent with new Waypoint API
* Fixed clean up of local_planner when used by other modules
* Fixed python client DLL error on Windows
* Fixed wrong type returned by `ActorList.Filter(...)`
* Fixed wheel's tire friction affecting all vehicles from physics control parameters
* Fixed obstacle detector not working
* Fixed small float bug in misc.py
## CARLA 0.9.4
* Added recording and playback functionality
* Added synchronous mode, simulator waits until a client sends a "tick" cue, `client.tick()`
* Allow changing map from client-side, added `client.load_world(name)`, `client.reload_world()`, and `client.get_available_maps()`
* Added scripts and tools to import maps directly from .fbx and .xodr files into the simulator
* Exposed minimum physics control parameters for vehicles' engine and wheels
* Allow controlling multiple actors in "batch mode"
* New Town06, featuring a "Michigan left" intersection including:
- Connection ramp between two highways
- Incorporation to a highway requiring changing several lanes to take another exit
- Junctions supporting different scenarios
* New traffic signs assets: one-way, no-turn, more speed limits, do not enter, arrow floors, Michigan left, and lane end
* New pedestrian texture to add more variations
* New road PBR material
* Extended the waypoint API with `lane_change`, `lane_type`, `get_right_lane()` and `get_left_lane()`
* Added world settings for changing no-rendering mode and synchronous mode at run-time
* Added methods to acquire a traffic light's pole index and all traffic lights in it's group
* Added performance benchmark script to measure the simulator's rendering performance
* Added `manual_control_steeringwheel.py` to control agents using Logitech G29 steering wheels (and maybe others)
* Added movable props present in the map (e.g. chairs and tables) as actors so they can be controlled from Python
* Added recording and playback bindings to `manual_control.py` script
* Removed `world.map_name` from API, use `world.get_map().name` instead
* Refactored `no_rendering_mode.py` to improve performance and interface
* Several improvements to the build system for Windows
* Expose traffic sign's trigger volumes on Python API
* Improved export/import map tools
* Simplify Dockerfile halving Carla Docker image size
* Episodes have now a random unique id to avoid collisions between runs
* Reduced overhead of many RPC calls by sending only actor IDs (instead of serializing all the actor attributes every time)
* Added priority system for vehicle control input (internal, not exposed in API)
* Removed "Example.CarlaSettings.ini", you can still use it, but it's no longer necessary
* Improved time-out related error messages
* Fixed Town01 placed 38 meters above the zero
* Fixed parsing of OpenDrive geo-reference exported by RoadRunner
* Fixed issue of retrieving an empty list when calling `world.get_actors()` right after creating the world
* Fixed a few synchronization issues related to changing the world at runtime
* Fixed traffic light when it gets illuminated by the hero vehicle in `no_rendering_mode.py`
* Fixed `manual_control.py` and `no_rendering_mode.py` to prevent crashes when used in "no rendering mode"
* Fixed traffic signs having the trigger box rotated
* Fixed female walk animation
* Fixed BP_MultipleFloor, tweaked offset in BaseFloor to adjust meshes between them
* Fixed static objects present in the map were marked as "movable"
## CARLA 0.9.3
* Upgraded to Unreal Engine 4.21
* Upgraded Boost to 1.69.0
* New Town04 (biggest so far), includes a freeway, new bridge and road barrier, a nicer landscape based on height-map, and new street props
* New Town05, adding more variety of intersections for the scenario runner
* Redesigned pedestrian models and animations (walk and idle) for male and female characters
* Added sensor for detecting obstacles (ray-cast based)
* Added sensor GNSS (GPS)
* Basic agent integrated with global router
* Added a few methods to manage an actor:
- set_velocity: for setting the linear velocity
- set_angular_velocity: for setting the angular velocity
- get_angular_velocity: for getting the angular velocity
- add_impulse: for applying an impulse (in world axis)
* Renamed vehicle.get_vehicle_control() to vehicle.get_control() to be consistent with walkers
* Added new mesh for traffic lights
* Added new pine tree assets, with their LODs finely tuned for performance
* Added point transformation functionality for LibCarla and PythonAPI
* Added "sensor_tick" attribute to sensors (cameras and lidars) to specify the capture rate in seconds
* Added Export/Import map tools
* Added "get_forward_vector()" to rotation and transform, retrieves the unit vector on the rotation's X-axis
* Added support for Deepin in PythonAPI's setup.py
* Added support for spawning and controlling walkers (pedestrians)
* Updated BasicAgent to allow setting target_speed and handle US-style traffic lights properly
* OpenDriveActor has been rewritten using the Waypoint API, this has fixed some bugs
* Remove crash reporter from packaged build
* Improved simulator fatal error handling, now uses UE4 fatal error system
* LibCarla server pipeline now compiles with exceptions disabled for better performance and compatibility with UE4
* Fixed TCP accept error, too many open files while creating and destroying a lot of sensors
* Fixed lost error messages in client-side, now when a request fails it reports the reason
* Fixed global route planner to handle round about turns and made the code consistent with local planner
* Fixed local planner to avoid premature route pruning at path overlaps
* Fixed autopilot direction not properly initialized that interfered with the initial raycast direction
* Fixed crash when an actor was destroyed but not de-registered, e.g. falling out of world bounds
## CARLA 0.9.2
* Updated ROS bridge for CARLA 0.9.X (moved to its own repository)
* Added Python API "agents" extension, includes
- Global route planner based on the Waypoints API (compatible with OpenDrive)
- BasicAgent: new client agent that can drive to a given coordinate of the map using the waypoint API and PID controllers, attending to other vehicles and traffic lights
- RoamingAgent: new client agent that can drive at different speeds following waypoints based on PID controllers, attending to other vehicles and traffic lights
- LocalPlanner functionality to navigate waypoints using PID controllers
- LateralControl and LongitudinalControl PIDs
* Added support for manual gear shifting
* Added "role_name" attribute to actors to easily identify the "hero" vehicle
* Changed traffic lights in Town03 to American style
* Added new junction types with only stop signs
* Updates to documentation and tutorials
* Simulator now starts by default in windowed mode
* CMake version required downgraded to 3.5 for better compatibility
* Fixed waypoints height were all placed at zero height
* Fixed actors in world.get_actors() missing parent actor
* Fixed some vehicles losing their wheels after calling set_simulate_physics
* Fixed bounding box of Lincoln MkZ
* Several fixes and improvements to OpenDriveActor
## CARLA 0.9.1
* New town: Town03
- Created with Vector Zero's RoadRunner (including OpenDrive information of the road layout)
- Bigger and more diverse
- More road variety: multiple lanes and lane markings, curves at different angles, roundabout, elevation, tunnel
* Lots of improvements to the Python API
- Support for Python 3
- Support for retrieving and changing lighting and weather conditions
- Migrated Lidar sensor
- Migrated image converter methods: Depth, LogarithmicDepth, and CityScapesPalette
- Migrated IO methods for sensor data, "save_to_disk" available for PNG, JPEG, TIFF, and PLY
- Added support for requesting the list of all the actors alive in the current world, `world.get_actors()`
- `world.get_actors()` returns an `ActorList` object with `filter` functionality and lazy initialization of actors
- Added collision event sensor, "sensor.other.collision", that triggers a callback on each collision to the actor it is attached to
- Added lane detector sensor, "sensor.other.lane_detector", that detects lane invasion events
- Added `carla.Map` and `carla.Waypoint` classes for querying info about the road layout
- Added methods for converting and saving the map as OpenDrive format
- Added `map.get_spawn_points()` to retrieve the recommended spawn points for vehicles
- Added `map.get_waypoint(location)` to query the nearest waypoint
- Added `map.generate_waypoints(distance)` to generate waypoints all over the map at an approximated distance
- Added `map.get_topology()` for getting a list the tuples of waypoints that define the edges of the road graph
- Added `waypoint.next(distance)` to retrieve the list of the waypoints at a distance that can be driven from this waypoint
- Added `parent` attributes to actors, not None if the actor is attached to another actor
- Added `semantic_tags` to actors containing the list of tags of all of its components
- Added methods for retrieving velocity and acceleration of actors
- Added function to enable/disable simulating physics on an actor, `actor.set_simulate_physics(enabled=True)`
- Added bounding boxes to vehicles, `vehicle.bounding_box` property
- Exposed last control applied to vehicles, `vehicle.get_vehicle_control()`
- Added a "tick" message containing info of all the actors in the scene
- Executed in the background and cached
- Added `world.wait_for_tick()` for blocking the current thread until a "tick" message is received
- Added `world.on_tick(callback)` for executing a callback asynchronously each time a "tick" message is received
- These methods return/pass a `carla.Timestamp` object containing, frame count, delta time of last tick, global simulation time, and OS timestamp
- Methods retrieving actor's info, e.g. `actor.get_transform()`, don't need to connect with the simulator, which makes these calls quite cheap
- Allow drawing debug shapes from Python: points, lines, arrows, boxes, and strings (`world.debug.draw_*`)
- Added id (id of current episode) and map name to `carla.World`
- Exposed traffic lights and signs as actors. Traffic lights have a specialized actor class that has the traffic light state (red, green, yellow) as property
- Added methods for accessing and modifying individual items in `carla.Image` (pixels) and `carla.LidarMeasurement` (locations)
- Added `carla.Vector3D` for (x, y, z) objects that are not a `carla.Location`
- Removed `client.ping()`, `client.get_server_version()` accomplishes the same
- Renamed `contains_X()` methods to `has_X()`
- Changed `client.set_timeout(seconds)` to use seconds (float) instead of milliseconds
- Allow iterating attributes of an Actor's Blueprint
- Fixed wildcard filtering issues, now "vehicle.*" or "*bmw*" patterns work too
- Fixed `actor.set_transform()` broken for attached actors
* More Python example scripts and improved the present ones
- Now all the scripts use the list of recommended spawn points for each map
- Renamed "example.py" to "tutorial.py", and updated it with latest changes in API
- Added timeout to the examples
- "manual_control.py" performance has been improved while having more measurements
- "manual_control.py" now has options to change camera type and position
- "manual_control.py" now has options to iterate weather presets
- "manual_control.py" now has a fancier HUD with lots of info, and F1 key binding to remove it
- Added "dynamic_weather.py" to change the weather in real-time (the one used in the video)
- Added "spawn_npc.py" to quickly add a lot of NPC vehicles to the simulator
- Added "spawn_npc.py --safe" to only add non-problematic vehicles
- "vehicle_gallery.py" also got some small fixes
* Asset and content improvements
- New vehicle: Lincoln MKZ 2017
- Refactored weather system, parametrized to make it easier to use
- Improved control of bikes and motorbikes, still not perfect but causes less accidents
- Added building block generator system
- Misc city assets: New building, tunnel columns, rail-road bridges, new textures, new urban props
- Adjusted vehicle physics and center of mass
- Adjusted the maximum distance culling for foliage
- Adjusted pedestrian animations and scale issues (not yet available with new API though)
- Improved map building blueprints, spline based asset repeaters, and wall building tools
- Replaced uses of Unreal's Foliage system with standard static meshes to work around a visual bug in Linux systems
- Fixed filenames too long when packing the project on Windows
- Fixed "SplineMeshRepeater" loses its collider mesh from time to time
- Standardized asset nomenclature
* New system for road information based on OpenDrive format
- Added new map classes for querying info about the road layout and topology
- Added methods for finding closest point on the road
- Added methods for generating and iterating waypoints based on the road layout
- Added OpenDrive parser to convert OpenDrive files to our map data structures
* Other miscellaneous improvements and fixes
- Fixed single channel Lidar crash (by @cwecht)
- Fixed command-line argument `-carla-settings` fails to load absolute paths (by @harlowja)
- Added an option to command-line to change quality level when launching the simulator, `-quality-level=Low`
- Added ROS bridge odometry message (by @ShepelIlya)
- New lens distortion shader, sadly not yet integrated with our cameras :(
- New Docker tutorial
- Disabled texture streaming to avoid issue of textures not loading in scene captures
- Adjusted scene capture camera gamma to 2.4
- Fixed leaking objects in simulation when despawning a vehicle. Now Pawn's controller is destroyed too if necessary when destroying an Actor
- Fixed overflow on platform time-stamp, now it uses `double`
- Upgraded @rpclib to fix crash when client exits too fast (rpclib/PR#167)
- Moved "PythonClient" inside deprecated folder to avoid confusion
- Refactored sensor related code
- New plugin system for sensors that simplifies adding sensors, mini-tutorial at #830
- Compile-time dispatcher for sensors and serializers
* Improvements to the streaming library
- Added multi-streams for streaming simultaneously to multiple clients (used by the "tick" message)
- Messages re-use allocated memory when possible
- Allows unsubscribing from a stream
- Fixed client receives interleaved sensor messages, some messages can be discarded if connection is too slow though
- Fixed streaming client fails to connect in Windows
- Fixed streaming client keeps trying to reconnect after destroying a sensor
* Refactored client C++ API
- Python GIL is released whenever possible to avoid blocking
- Fixed deadlock when closing the simulator while a client is connected
- Fixed crash on simulator shutdown if a client has connected at some point
- Set methods are now sent async which greatly improves performance in the client-side
- Vehicle control is cached and not sent if haven't changed
- Suppressed exceptions in destructors
* Other development improvements
- Improved Linux Makefile, fine-grained targets to reduce compilation times in development
- Workaround for "setup.py" to link against "libcarla_client.a" again (Linux only)
- Added support for ".gtest" file, each line of this file is passed to GTest executables as arguments when running `make check` targets
- Python eggs are also archived on Jenkins to easily get them without downloading the full package
- Added uncrustify config file for formatting UE4 C++ code
## CARLA 0.9.0
* Upgraded to Unreal Engine 4.19
* Redesign of the networking architecture
- Allows any number of clients to connect simultaneously
- Now is possible to add and remove at any time any vehicle or camera
- Now is possible to control any vehicle or camera
- Now is possible to place cameras anywhere
- Reduced to two ports instead of three
- First port uses an RPC protocol based on [rpclib](http://rpclib.net/)
- Second port is for the streaming of the sensor data
* Redesign of the Python API
- Actors and sensors are now exposed in the API and can be independently controlled
- The Python module is built in C++, with significant performance gain in some operations
- Many functionality haven't been ported yet, so expect a lot of things missing
* Redesign of the build system to accommodate the changes in dependencies
- Everything can be done now with the Makefile
- For the moment only Linux is supported, sorry
* Massive clean up of all unused assets
* Some aesthetic fixes to the vehicles
## CARLA 0.8.4
* Community contribution: ROS bridge by @laurent-george
* New vehicle: Tesla Model 3
* Added an option to _"CarlaSettings.ini"_ to disable bikes and motorbikes
* Fixed missing collision of vehicles introduced in 0.8.3
* Improved stability of bikes and motorbikes
* Improved autopilot turning behaviour at intersections, now using front wheels positions as reference
* Temporarily removed Kawasaki Ninja motorbikes because the model was having some stability issues
## CARLA 0.8.3
* Added two-wheeled vehicles, 3 bicycles and 4 motorbikes
* Several art optimizations (CARLA is now about 10% faster)
- Improved the performance of vegetation assets, adjusted LOD and culling distance, set billboards where possible
- Drastically reduced the number of polygons of the landscape while keeping the original shape
- Removed some high-cost unnecessary assets
- Remodelled Mustang and NissanMicra, now with less polygons and materials, better textures and LOD
- Remodelled building SM_TerracedHouse_01, now with more polygons but less materials and better textures
* CARLA releases include now a Dockerfile for building docker images
* Change in HUD: replace "FPS" by "Simulation Step"
* The current map name is now included in the scene description message sent to the client
* Adapted "manual_control.py" and "view_start_positions.py" to use the map name sent by the simulator
* Improved the vehicle spawning algorithm, now it tries to spawn as much cars as possible even if there are not enough spawn points
* "Setup.sh" is now faster and accepts an argument to run multiple jobs in parallel
* Fixed foliage distance culling using wrong distance in "Low Mode"
* Fixed NissanMicra slightly turning left when driving straight
## CARLA 0.8.2
* Revamped driving benchmark
- Changed name from benchmark to driving benchmark
- Fully Redesigned the architecture of the module
- Added a lot more documentation
- Now you can stop and resume the benchmarks you run
* Rolled back vehicle's location to the pivot of the mesh instead of the center of the bounding box
* Added relative transform of the vehicle's bounding box to the measurements, player and non-players
* Added "frame number" to each sensor measurement so it is possible to sync all the measurements based on the frame they are produced
* Improved vehicle spawner to better handle spawning failures
* Walkers use now a closer angle to detect vehicles, so they don't stop moving if a car passes nearby
* Fixed lighting artefact causing the road to change its brightness depending on the distance to the camera
* Fixed captured images overexposed in Low mode
* Fixed illegal character in asset name
* Fixed editing sun azimuth angle in CarlaWeadther.ini had no effect
* Fixed crash when using a non-standard image size in DirectX (Windows)
* Fixed issue with using multiple "SceneCaptureToDiskCamera"
## CARLA 0.8.1
* New Python example for visualizing the player start positions
* Fixed box extent of non-player agents was sent in centimeters instead of meters
* Fixed speed limits were sent in km/h instead of m/s
* Fixed issue in Volkswagen T2 wheels causing it to overturn
## CARLA 0.8.0
* Upgraded to Unreal Engine 4.18
* Created our own pedestrian 3D models free to use and distribute
* Removed Epic's Automotive Materials dependencies
* 360 Lidars support (similar to Velodyne HDL-32E or VLP-16) thanks to Anton Pechenko (Yandex)
- Ray-cast based
- Configurable settings
- Added methods to save points to disk as PLY file
* Added quality level settings
- Low: low quality graphics, about 3 times faster with one camera
- Epic: best quality (as before)
* Measurements now use SI units
- Locations: m
- Speed: m/s
- Acceleration: m/s^2
- Collisions: kg*m/s
- Angles: degrees
* Added API methods to convert depth images to a point cloud
- New method "image_converter.depth_to_local_point_cloud"
- A supplementary image can be passed to attach colors to the points
- New client example generates a point cloud in world coordinates
- Added Transform class to Python API
* Performance optimizations
- Significant speed improvements in both Epic and Low modes
- Fixed materials and improved shaders for roads, architecture, sidewalks, foliage, landscapes, cars, walkers, reflections, water
- Execution of a set of Project and Engine parameters to improve performance (quality, vsync, AO, occlusion)
- Generation of the road pieces using static meshes and actors instead of a single actor with instanced meshes
- Improved performance since now is able to apply occlusion and draw distance
- Images are captured asynchronously in the render thread
- In asynchronous mode, images may arrive up to two frames later
- In synchronous mode, game thread is blocked until images are ready
- Blueprint code optimizations for vehicles, walkers, and splines
- Added a way to configure different quality levels with culling distance and materials configuration
* Refactored sensor related code to ease adding new sensors in the future
* Added vehicle box extent to player measurements
* Removed the player from the list of non-player agents
* Adjusted bounding boxes to vehicles' height
* Changed vehicles' center to match bounding box
* Added autopilot mode to manual_control.py
* Added quality level options to manual_control.py and client_example.py
* Replaced background landscape and trees by a matte painting
* Fixed road map generated some meshes twice
* Small improvements to Windows support
- Fixed issues with the Makefile
- Fixed asset names too long or containing special characters
## CARLA 0.7.1
* New Python API module: Benchmark
- Defines a set of tasks and conditions to test a certain agent
- Contains a starting benchmark, CoRL2017
- Contains Agent Class: Interface for benchmarking AIs
* New Python API module: Basic Planner (Temporary Hack)
- Provide routes for the agent
- Contains AStar module to find the shortest route
* Other Python API improvements
- Converter class to convert between Unreal world and map units
- Metrics module to summarize benchmark results
* Send vehicle's roll, pitch, and yaw to client (orientation is now deprecated)
* New RoutePlanner class for assigning fixed routes to autopilot (IntersectionEntrance has been removed)
* Create a random engine for each vehicle, which greatly improves repeatability
* Add option to skip content download in Setup.sh
* Few small fixes to the city assets
## CARLA 0.7.0
* New Python client API
- Cleaner and more robust
- Compatible with Python 2 and 3
- Improved exception handling
- Improved examples
- Included methods for parsing the images
- Better documentation
- Protocol: renamed "ai_control" to "autopilot_control"
- Merged testing client
- Added the maps for both cities, the client can now access the car position within the lane
* Make CARLA start without client by default
* Added wind effect to some trees and plants
* Improvements to the existing weather presets
* Build script: skip content download if up-to-date
## CARLA 0.6.0
* Included Unreal project and reorganised folders
* Enabled semantic segmentation by default
* Added Felipe's Python client
* New build system (Linux only)
* Few fixes to city assets
## CARLA 0.5.4
* Added command-line parameter -carla-no-hud
* Remove override gamma from weather settings
* Fixed issue road map generation hangs cooking command
* Organise Python client and make sample script
* Rename maps
- CARLA_ORIGIN_0 --> Town02
- CARLA_ORIGIN_1 --> Town01
* Fixed Carla-Cola machine falling at begin play
## CARLA 0.5.3
* Fixed issues with weather
* Fixed missing building
## CARLA 0.5.2
* Autopilot mode has been removed, now server sends AI control together with measurements every frame
* State and position of traffic lights and signs are now included in the measurements too
* Added a python console client
* Fixed crash when client sends an invalid player start
* Fixed some issues with the dynamic weather not looking as it used to do
* Fixed some collision boxes missing
## CARLA 0.5.1
* Fixed issue server was destroyed on every reset, closing the connection
* Fixed issue agent servers connect too late
* Improvements to the python client
* Added python client test suite for testing the release
* Added image converter
* Fixed missing floor on CARLA_ORIGIN_0
* Changed sidewalk texture
* Improvements on the physics of some vehicles
* More props and decals added to the cities
## CARLA 0.5.0
* Upgraded to Unreal Engine 4.17
- Fixes memory leaks
- Fixes crashes with C++ std classes
* Redesigned CarlaServer
- Faster, avoids unnecessary copies
- Sends images as raw data (no compression)
- Supports synchronous and asynchronous mode
- Networking operation have a time-out
- Synchronous methods have a time-out
- Pure C interface for better compatibility
- Unit tests with GoogleTest
* New server-client protocol
- Upgraded to proto3
- Supports repeated fields
- Optionally send information about all dynamic agents in the scene
- Now sends transforms instead of locations only
- Autopilot mode added to control
* New build system to avoid linkage issues
* Added autopilot mode
* Added an on-board camera to the car
* Added traffic lights and speed limit to player state
* Added player pawn selection to config file
* Improved blueprint interface of the C++ classes
* Some performance improvements to vehicle controllers
* Fix issues with depth material in Windows
* Fix issues with random engine not being available for vehicles
* Fixed issue that compiling a release hang when saving the road map
* Added more content; 7 vehicles, 30 pedestrians, many decals and props
* Randomized pedestrian clothing
* Many improvements and fixes to the city levels and assets
* Added sub-surface scattering to vegetation
* Added key binding to change weather during play
* Added key binding to toggle autopilot mode
* Added a second camera to the player
## CARLA 0.4.6
* Add weather presets specific for each level
* Some map fixes, adjust weather presets specific for each level
* Fixed regression that some walkers may go at extremely slow and fast speeds
## CARLA 0.4.5
* Add random seeds to config file
* Improve logging
* Removed rotation of map CARLA_ORIGIN_1
## CARLA 0.4.4
* Fixed regression walkers despawning when stopping after seeing a car
* Changed, collision is only registered if player moves faster than 1 km/h
* Fixed issue walkers resume movement after sensing nothing, but the car is still there sometimes
* Few improvements to the city assets
## CARLA 0.4.3
* Fixed issue with reward, intersect other lane wasn't sent to the client
* Improvements to the AI of other vehicles, and how they detect pedestrians
* Improvements to the AI of the pedestrians, trying to avoid slightly better the cars
* Made roads collision channel WorldStatic
* Tune several vehicles' physics and engine
* Fixed issue with vehicles bouncing back after hitting a pedestrian
* Add bigger box to pedestrians to avoid accidents
* Make vehicles spawn in order instead of randomly
## CARLA 0.4.2
* Fixed issues with the server-client protocol
* More improvements to the AI of other vehicles, now they barely crash
* Improved the physics of some vehicles
* Tweak the city for better AI of other vehicles
## CARLA 0.4.1
* Improved AI of other vehicles, still needs some adjustment, but now they crash much less
* Fixed wrong semantic segmentation label of the poles of traffic lights and signs
* Added randomized vehicle license plates
* Few improvements to the city assets
## CARLA 0.4.0
* Made vehicle input more realistic, now reverse and brake use different input
* Changed server-client protocol
- CarlaSettings.ini is sent for every new episode
- Control is extended with brake, reverse and handbrake
* Set a clearer hierarchy for loading settings files
* Made camera post-process settings able to change depending on the weather
* Added basic functionality for NPC vehicles
* Some improvements to the walker spawner
* Generate road map metadata on save
* Added command-line switch -carla-no-networking
* Improved verbosity control of CarlaServer
* Fixed issue with server that two threads used 100% CPU
* Fixed issue with the attachment of the main camera to the player
* Fixed issues with CarlaServer interface with Unreal, does not use STL containers anymore
* Fixed issue with server not running below 30 fps at fixed frame rate, added physics sub-stepping
* Fixed issues with some weather settings
* Added randomized pedestrians with their AI and animations
* Added other vehicles with their AI and physics
* Added traffic lights and signs
* Tweaked capture image to look similar to main camera
* Changed car input to match settings in plugin
* General improvements to levels and assets
## CARLA 0.3.0
* Added basic dynamic weather functionality
- Weather and sun light can be changed during game
- Presets stored in config file CarlaWeather.ini
- Added some presets for dynamic weather
* Add basic functionality to spawn pedestrians
* Split road meshes for intersections and turns for better precission of the road map
* Better debug for road map
* Implemented collision count for other cars and pedestrians
* Command line argument -carla-settings now accepts relative paths
* Improved performance when semantic segmentation is disabled
* Improved tagger system
* Implemented nav-mesh and spawn points for pedestrians
* Added new cars
* Added dynamic street lights
* General improvements to levels and assets
* Make the car jump
## CARLA 0.2.4
* Fixed serialization of road map resulting in a huge map size
* Some optimizations in the vegetation
* Implemented more LODS
## CARLA 0.2.3
* Fixed rounding errors in HUD (100% was shown as 99%, 30 FPS as 29 FPS)
* Fixed crash when player goes out of road map
* Fixed several issues related to the transform of the road map (wasn't working in CARLA_ORIGIN_1)
* Make custom depth pass disable by default (semantic segmentation won't work by default)
* Fixed road width in T-intersections
* Implement road LOD
* Fixed missing assets
## CARLA 0.2.2
* Implemented signals for off-road and opposite lane invasion
* Fixed linking issues (use Unreal's libpng)
* Fixed memory leak in PNG compression
* Added boundaries to the map
* Several fixes in the map content
## CARLA 0.2.1
* Fixed the memory leak related to protobuf issues
* Fixed color shift in semantic segmentation and depth
* Added in-game timestamp (now sending both OS and in-game)
## CARLA 0.2.0
* Fixed Depth issues
* Fixed random crash due to an invalid player start position
* Added semantic segmentation
* Changed codification to PNG
* Camera configuration through config INI file
## CARLA 0.1.1
* Added build system for Windows and Linux
* Added more content
## CARLA 0.1.0
* Added basic functionality