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# orbbec_camera
---
OrbbecSDK ROS2 is a wrapper for the Orbbec 3D camera that provides seamless integration with the ROS2 environment. It
supports ROS2 Foxy, Galactic, and Humble distributions.
## Installation Instructions
Install ROS2
- Please refer to the
official [ROS 2 installation guide](https://docs.ros.org/en/humble/Installation/Ubuntu-Install-Debians.html)
guidance
> If your ROS2 command does not auto-complete, put the following two lines into your `.bashrc`
> or `.zshrc`
```bash
eval "$(register-python-argcomplete3 ros2)"
eval "$(register-python-argcomplete3 colcon)"
```
Create `colcon` workspace
```bash
mkdir -p ~/ros2_ws/src
```
Get source code
```bash
cd ~/ros2_ws/src
git clone https://github.com/OrbbecDeveloper/OrbbecSDK_ROS2.git
```
Install deb dependencies
```bash
# assume you have sourced ROS environment, same blow
sudo apt install libgflags-dev nlohmann-json3-dev libgoogle-glog-dev \
ros-$ROS_DISTRO-image-transport ros-$ROS_DISTRO-image-publisher ros-$ROS_DISTRO-camera-info-manager
```
Install udev rules.
```bash
cd ~/ros2_ws/src/OrbbecSDK_ROS2/orbbec_camera/scripts
sudo bash install_udev_rules.sh
sudo udevadm control --reload-rules && sudo udevadm trigger
```
## Getting start
```bash
cd ~/ros2_ws/
# build release, Default is Debug
colcon build --event-handlers console_direct+ --cmake-args -DCMAKE_BUILD_TYPE=Release
```
Launch camera node
- On terminal 1
```bash
. ./install/setup.bash
ros2 launch orbbec_camera astra.launch.xml
```
- On terminal 2
```bash
. ./install/setup.bash
rviz2
```
Select the topic you want to display
- List topics / services/ parameters ( on terminal 3)
```bash
ros2 topic list
ros2 service list
ros2 param list
```
- Get device info
```bash
ros2 service call /camera/get_device_info orbbec_camera_msgs/srv/GetDeviceInfo '{}'
```
- Get SDK version
```bash
ros2 service call /camera/get_sdk_version orbbec_camera_msgs/srv/GetString '{}'
```
- Get exposure
```bash
ros2 service call /camera/get_color_exposure orbbec_camera_msgs/srv/GetInt32 '{}'
```
> If your check `ir` or `depth`, please change `/camera/get_color_exposure`
> to `/camera/get_ir_exposure` or `/camera/get_depth_exposure`, Same below.
- Get gain
```bash
ros2 service call /camera/get_color_gain orbbec_camera_msgs/srv/GetInt32 '{}'
```
- Get white balance
```bash
ros2 service call /camera/get_white_balance orbbec_camera_msgs/srv/GetInt32 '{}'
```
- Set auto exposure
```bash
ros2 service call /camera/set_color_auto_exposure std_srvs/srv/SetBool '{data: false}'
```
- Set white balance
```bash
ros2 service call /camera/set_white_balance orbbec_camera_msgs/srv/SetInt32 '{data: 4600}'
```
- Set laser enable
```bash
ros2 service call /camera/set_laser_enable std_srvs/srv/SetBool "{data: true}"
```
- toggle sensor
```bash
ros2 service call /camera/toggle_ir std_srvs/srv/SetBool "{data : true}"
```
### All available service for camera control
The name of the following service already expresses its function.
However, it should be noted that the corresponding `set_[ir|depth|color]*`
and `get[ir|depth|color]*` **services are only available if you set** `enable[ir|depth|color]`
to `true` in the stream that corresponds to the argument of the launch file.
- `/camera/get_auto_white_balance`
- `/camera/get_color_exposure`
- `/camera/get_color_gain`
- `/camera/get_depth_exposure`
- `/camera/get_depth_gain`
- `/camera/get_device_info`
- `/camera/get_ir_exposure`
- `/camera/get_ir_gain`
- `/camera/get_ldp_status`
- `/camera/get_sdk_version`
- `/camera/get_white_balance`
- `/camera/set_auto_white_balance`
- `/camera/set_color_auto_exposure`
- `/camera/set_color_exposure`
- `/camera/set_color_gain`
- `/camera/set_depth_auto_exposure`
- `/camera/set_depth_exposure`
- `/camera/set_depth_gain`
- `/camera/set_fan_work_mode`
- `/camera/set_floor_enable`
- `/camera/set_ir_auto_exposure`
- `/camera/set_ir_exposure`
- `/camera/set_ir_gain`
- `/camera/set_laser_enable`
- `/camera/set_ldp_enable`
- `/camera/set_white_balance`
- `/camera/toggle_color`
- `/camera/toggle_depth`
- `/camera/toggle_ir`
### All available topics
- `/camera/color/camera_info` : The color camera info.
- `/camera/color/image_raw`: The color stream image.
- `/camera/depth/camera_info`: The depth stream image.
- `/camera/depth/image_raw`: The depth stream image
- `/camera/depth/points` : The point cloud, only available when `enable_point_cloud` is `true`.
- `/camera/depth_registered/points`: The colored point cloud, only available when `enable_colored_point_cloud`
is `true`.
- `/camera/ir/camera_info`: The IR camera info.
- `/camera/ir/image_raw`: The IR stream image
### Multi-Camera
- To get the `usb_port` of the camera, plug in the camera and run the following command in the terminal:
```bash
ros2 run orbbec_camera list_devices_node
```
- Set the `device_num` parameter to the number of cameras you have.
- Go to the `OrbbecSDK_ROS2/launch/multi_xxx.launch.xml` file and change the `usb_port`.
- Don't forget to put the `include` tag inside the `group` tag.
Otherwise, the parameter values of different cameras may become contaminated.
```xml
<launch>
<!-- unique camera name-->
<arg name="camera_name" default="camera"/>
<!-- Hardware depth registration -->
<arg name="3d_sensor" default="astra_mini"/>
<!-- stereo_s_u3, astrapro, astra -->
<arg name="camera1_prefix" default="01"/>
<arg name="camera2_prefix" default="02"/>
<!-- TODO: change to your usb port -->
<arg name="camera1_usb_port" default="1-4.2.1"/>
<arg name="camera2_usb_port" default="1-4.2.1"/>
<arg name="device_num" default="2"/>
<node name="camera" pkg="orbbec_camera" exec="ob_cleanup_shm_node" output="screen"/>
<group>
<include file="$(find-pkg-share orbbec_camera)/launch/gemini2.launch.xml">
<arg name="camera_name" value="camera_$(var camera1_prefix)"/>
<arg name="usb_port" value="$(var camera1_usb_port)"/>
<arg name="device_num" value="$(var device_num)"/>
</include>
</group>
<group>
<include file="$(find-pkg-share orbbec_camera)/launch/dabai_dcw.launch.xml">
<arg name="camera_name" value="camera_$(var camera2_prefix)"/>
<arg name="usb_port" value="$(var camera2_usb_port)"/>
<arg name="device_num" value="$(var device_num)"/>
</include>
</group>
<node pkg="tf2_ros" exec="static_transform_publisher" name="camera_tf"
args="0 0 0 0 0 0 camera01_link camera02_link"/>
</launch>
```
- Note that the astra camera uses semaphores for process synchronization.
If the camera start fails, the semaphore file may be left in `/dev/shm`,
causing the next start to become stuck. To avoid this, run the following command before launching:
```bash
ros2 run orbbec_camera ob_cleanup_shm_node
```
This will clean up `/dev/shm/`.
- To launch the cameras, run the following command:
```bash
ros2 launch orbbec_camera multi_camera.launch.xml
```
## Launch parameters
The following are the launch parameters available:
- `connection_delay`: The delay time in milliseconds for reopening the device.
Some devices, such as Astra mini, require a longer time to initialize and
reopening the device immediately can cause
firmware crashes when hot plugging.
- `enable_point_cloud`: Enables the point cloud.
- `enable_colored_point_cloud`: Enables the RGB point cloud.
- `point_cloud_qos`, `[color|depth|ir]_qos,``[color|depth|ir]_camera_info_qos`: ROS2 Message Quality of Service (QoS)
settings. The possible values
are `SYSTEM_DEFAULT`, `DEFAULT`,`PARAMETER_EVENTS`, `SERVICES_DEFAULT`, `PARAMETERS`, `SENSOR_DATA`
and are case-insensitive. These correspond to `rmw_qos_profile_system_default`, `rmw_qos_profile_default`,
`rmw_qos_profile_parameter_events`, `rmw_qos_profile_services_default`, `rmw_qos_profile_parameters`,
and `SENSOR_DATA`,
respectively.
- `enable_d2c_viewer`: Publishes the D2C overlay image (for testing only).
- `device_num`: The number of devices. This must be filled in if multiple cameras are required.
- `color_width`, `color_height`, `color_fps`: The resolution and frame rate of the color stream.
- `ir_width`, `ir_height`, `ir_fps`: The resolution and frame rate of the IR stream.
- `depth_width`, `depth_height`, `depth_fps`: The resolution and frame rate of the depth stream.
- `enable_color`: Enables the RGB camera.
- `enable_depth`: Enables the depth camera.
- `enable_ir`: Enables the IR camera.
- `depth_registration`: Enables hardware alignment the depth frame to color frame.
This field is required when the `enable_colored_point_cloud` is set to `true`.
- `usb_port`: The USB port of the camera. This is required when multiple cameras are used.
- `enable_accel` : Enables the accelerometer.
- `accel_rate`: The frequency of the accelerometer, the optional values are `1.5625hz`,`3.125hz`,`6.25hz`,`12.5hz`,`25hz`,`50hz`,
`100hz`,`200hz`,`500hz`,`1khz`,`2khz`,`4khz`,`8khz`,`16khz`,`32khz`. The specific value depends on the current camera.
- `accel_range` : The range of the accelerometer, the optional values are `2g`,`4g`,`8g`,`16g`. The specific value depends on the current camera.
- `enable_gyro`: Whether to enable the gyroscope.
- `gyro_rate` : The frequency of the gyroscope, the optional values are `1.5625hz`,`3.125hz`,`6.25hz`,`12.5hz`,`25hz`,`50hz`,
`100hz`,`200hz`,`500hz`,`1khz`,`2khz`,`4khz`,`8khz`,`16khz`,`32khz`. The specific value depends on the current camera.
- `gyro_range` : The range of the gyroscope, the optional values are `16dps`,`31dps`,`62dps`,`125dps`,`250dps`,`500dps`,`1000dps`,`2000dps`. The specific value depends on the current camera.
## Check which profiles the camera supports
```bash
ros2 run orbbec_camera list_camera_profile_mode_node
```
## Launch files
| product serials | launch file |
| -------------------------------------------- | ----------------------- |
| astra+ | astra_adv.launch.py |
| astra /astra mini /astra mini pro /astra pro | astra.launch.py |
| astra2 | astra2.launch.py |
| astra stereo s | stereo_s_u3.launch.py |
| dabai | dabai.launch.py |
| dabai d1 | dabai_d1.launch.py |
| dabai dcw | dabai_dcw.launch.py |
| dabai dw | dabai_dw.launch.py |
| dabai pro | dabai_pro.launch.py |
| deeya | deeya.launch.py |
| femto /femto w | femto.launch.py |
| femto mega | femto_mega.launch.py |
| gemini | gemini.launch.py |
| gemini | gemini.launch.py |
| gemini2 / dabai DCL | gemini2.launch.py |
| gemini2L | gemini2L.launch.py |
| gemini e | gemini_e.launch.py |
| gemini e lite | gemini_e_lite.launch.py |
Actually, All launch files all most the same, the only difference is the default value of the parameters.
XML launch file will be removed in the future version.
## Supported hardware products
| **SDK version** | **products list** | **firmware version** |
|-----------------|-------------------|-----------------------------|
| v1.6.2 | Astra2 | 2.8.20 |
| | Gemini2 L | 1.4.32 |
| | Gemini2 | 1.4.60 |
| | FemtoMega | 1.1.7 |
| | Astra+ | 1.0.22/1.0.21/1.0.20/1.0.19 |
| | Femto | 1.6.7 |
| | Femto W | 1.1.8 |
| | Dabai | 2436 |
| | Dabai DCW | 2460 |
| | Dabai DW | 2606 |
| | Astra Mini Pro | 1007 |
| | Astra Pro Plus | 2513 |
| | A1 Pro | 3057 |
| | Gemini E | 3460 |
| | Gemini E Lite | 3606 |
| | Gemini | 3.0.18 |
| v1.5.7 | Gemini2 | 1.4.60 |
| | FemtoMega | 1.1.5 |
| | Astra+ | 1.0.22/1.0.21/1.0.20/1.0.19 |
| | Femto | 1.6.7 |
| | Femto W | 1.1.8 |
| | Dabai | 2436 |
| | Dabai DCW | 2460 |
| | Dabai DW | 2606 |
| | Astra Mini Pro | 1007 |
| | Astra Pro Plus | 2513 |
| | A1 Pro | 3057 |
| | Gemini E | 3460 |
| | Gemini E Lite | 3606 |
| | Gemini | 3.0.18 |
| v1.4.3 | Astra+ | 1.0.22/1.0.21/1.0.20/1.0.19 |
| | Femto | 1.6.7 |
| | *Femto W | 1.1.3 |
| | Dabai | 2436 |
| | Dabai DCW | 2460 |
| | Dabai DW | 2606 |
| | Astra Mini Pro | 1007 |
| | Astra Pro Plus | 2513 |
| | Gemini | 3.0.18 |
| v1.3.1 | Astra+ | 1.0.21/1.0.20/1.0.19 |
| | Femto | 1.6.7 |
| v1.2.8 | Astra+ | 1.0.20 |
| | Femto | 1.6.7 |
| v1.1.6 | Astra+ | 1.0.20/1.0.19 |
| | *Femto | 1.5.1 |
| v1.0.2 | Astra+ | 1.0.19 |
## DDS Tuning
The default DDS settings (Galactic) may not be optimal for data transmission. Different DDS settings can have varying
performance. In this example, we use CycloneDDS. For more detailed information, please refer to the
[ROS DDS Tuning](https://docs.ros.org/en/humble/How-To-Guides/DDS-tuning.html)。
● Edit cyclonedds configuration file
```bash
sudo gedit /etc/cyclonedds/config.xml
```
Add
```xml
<?xml version="1.0" encoding="UTF-8"?>
<CycloneDDS xmlns="https://cdds.io/config" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="https://cdds.io/confighttps://raw.githubusercontent.com/eclipse-cyclonedds/cyclonedds/master/etc/cyclonedds.xsd">
<Domain id="any">
<General>
<NetworkInterfaceAddress>lo</NetworkInterfaceAddress>
<AllowMulticast>false</AllowMulticast>
</General>
<Internal>
<MinimumSocketReceiveBufferSize>16MB</MinimumSocketReceiveBufferSize>
</Internal>
<Discovery>
<ParticipantIndex>auto</ParticipantIndex>
<MaxAutoParticipantIndex>30</MaxAutoParticipantIndex>
<Peers>
<Peer address="localhost"/>
</Peers>
</Discovery>
</Domain>
</CycloneDDS>
```
● Set the environment variables, add to `.zshrc` or `.bashrc`
```bash
export ROS_DOMAIN_ID=42 # Numbers from 0 to 232
export ROS_LOCALHOST_ONLY=1
export CYCLONEDDS_URI=file:///etc/cyclonedds/config.xml
```
Tip：to understand why the maximum ROS_DOMAIN_ID is 232, please
visit [The ROS DOMAIN ID](https://docs.ros.org/en/humble/Concepts/About-Domain-ID.html)
● Increase UDP receive buffer size
Edit
```bash
/etc/sysctl.d/10-cyclone-max.conf
```
Add
```bash
net.core.rmem_max=2147483647
net.core.rmem_default=2147483647
```
## Frequently Asked Questions
No Picture from Multiple Cameras
- it's possible that the power supply is insufficient.
To avoid this, do not connect all cameras to the same hub and use a powered hub instead.
- It's also possible that the resolution is too high.
To resolve this, try lowering the resolution.
Why are there so many launch files here
- The reason for the presence of multiple launch
files is due to the fact that the default resolutions and image formats of different cameras vary.
To make it easier to use, the launch files have been separated for each camera.
## License
Copyright 2023 Orbbec Ltd.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this project except in compliance with
the License. You may obtain a copy of the License at
[http://www.apache.org/licenses/LICENSE-2.0](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.
**Other names and brands may be claimed as the property of others**
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