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https://github.com/orbbec/OrbbecSDK_ROS2.git
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70 lines
2.9 KiB
Markdown
70 lines
2.9 KiB
Markdown
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# FAQ
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## Unexpected crash
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If the camera node crashes unexpectedly, it will generate a crash log in the current running directory: `Log/camera_crash_stack_trace_xx.log`.
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Please send this log to the support team or submit it to a GitHub issue for further assistance.
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**Regarding logging, please refer to the following log recommendations:**
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In ROS, the location of the log directory is typically associated with the ROS workspace, but the specific log path may vary depending on the installation method and operating system.
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Here are some common locations for ROS log directories:
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1. **Default Global ROS Log Directory** : Global logs are typically recorded in the `~/.ros/log` directory. Here, `~` represents the user's home directory.
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2. **Workspace-Specific Log Directories** : In some cases, ROS nodes may log to specific directories within their workspace. This can often be achieved by setting the `ROS_LOG_DIR` environment variable.
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For the underlying Orbbec SDK, the log level can be configured via the `log_level` field in the `common.yaml` file.
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## How to Quickly Modify the Default Resolution
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How to Quickly Modify the Default Resolution, Video Format, and Frame Rate Parameters of a Product?
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1.Locate the corresponding product yaml configuration file, such as gemini330_series.yaml, in the orbbec_camera/config directory.
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2.Open the corresponding product yaml configuration file, such as gemini330_series.yaml, and modify the resolution, format, and frame rate settings for the video stream.
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For example:
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3.Compile and Run
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```
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colcon build --event-handlers console_direct+ --cmake-args -DCMAKE_BUILD_TYPE=Release
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source install/setup.bash
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ros2 launch orbbec_camera orbbec_camera.launch.py config_file_path:=gemini330_series.yaml
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```
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## No data stream from multiple cameras
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**Insufficient Power Supply**:
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- Ensure that each camera is connected to a separate hub.
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- Use a powered hub to provide sufficient power to each camera.
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**High Resolution**:
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- Try lowering the resolution to resolve data stream issues.
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**Increase usbfs_memory_mb Value**:
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- Increase the `usbfs_memory_mb` value to 128MB (this is a reference value and can be adjusted based on your system’s needs)
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by running the following command:
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```bash
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echo 128 | sudo tee /sys/module/usbcore/parameters/usbfs_memory_mb
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```
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- To make this change permanent, check [this link](https://github.com/OpenKinect/libfreenect2/issues/807).
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## Additional troubleshooting
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- If you encounter other issues, set the `log_level` parameter to `debug`. This will generate an SDK log file in the running directory: `Log/OrbbecSDK.log.txt`.
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Please provide this file to the support team for further assistance.
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- If firmware logs are required, set `enable_heartbeat` to `true` to activate this feature.
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## Why are there so many yaml files?
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- Different yaml files have varying default resolutions and image formats.
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- To simplify usage, each camera has its own yaml file.
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