Changelog

HoloOcean 2.0.0 PreRelease

11/8/2024

Updating from Unreal Engine 4.27 to 5.3

HoloOcean 1.0.0

4/29/2024

Migrating to GitHub, and updating license phrasing.

HoloOcean 0.5.8

4/3/2/2024

Added custom dynamics and updated installation instructions to reflect current installation process to comply with Unreal Engine EULA. (Note that the version numbers 0.5.1-0.5.7 are absent because of some difficulties with updating the PyPI package. So 0.5.8 is the first release after 0.5.0)

Highlights

• Added magnetometer

• Added dynamics sensor

• Simple PD controller for HoveringAUV

• Added SurfaceVessel agent

• misc bug fixes and documentation improvements

HoloOcean 0.5.0

3/22/2022

Large sonar upgrade!

Highlights

• 3 new sonar sensors

• Upgraded noise modeling in Imaging and Profiling Sonar

• Lots of misc bug fixes!

• Upgrade to Unreal Engine 4.27

New Features

• Added many new sonar sensors, including

  • ImagingSonar

  • SidescanSonar

  • ProfilingSonar

  • SinglebeamSonar

• ImagingSonar now has significantly improved noise modeling

• Can now specify a lifetime parameter to draw functions

• Now based on Unreal Engine 4.27

Changes

• SonarSensor is now ImagingSonar

• Rotations are now a correct [roll, pitch, yaw].

• step function no longer returns terminal, reward and info. Only state.

• Environments no longer publish over lcm in pre-start ticks.

Bug Fixes

• Timeouts are turned off for sonars to prevent premature termination of the simulation.

• Specifying a number of ticks to execute at once now ticks for all of them.

HoloOcean 0.4.1

9/21/2021

Bug Fixes

• Required pywin32 <= 228 for easier Windows install.

HoloOcean 0.4.0

9/17/2021

First official release!

Highlights

• New Ocean environment package.

• 2 new agents and 7 new sensors, along with updating of all previous sensors.

• Complete rebranding to HoloOcean.

New Features

• Added agents HoveringAUV and TorpedoAUV

• Added a plethora of new sensors, all with optional noise configurations

  • ImagingSonar

  • DVLSensor

  • DepthSensor

  • GPSSensor

  • PoseSensor

  • AcousticBeaconSensor

  • OpticalModemSensor

• New Ocean package.

• Added frame rate capping option.

• Added ticks_per_sec and frames_per_sec to scenario config, see Frame Rates.

Changes

• Everything is now rebranded from Holodeck -> HoloOcean.

Bug Fixes

• Sensors now return values from their location, not the agent location.

• IMU now returns angular velocity instead of linear velocity.

• Various integer -> float changes in scenario loading.

Pre-HoloOcean

See Holodeck changelog