feat(gemini2): add OrbbecSDK_ROS2/
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## 在ROS 2中启动相机节点
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本指南提供了使用ROS 2启动启用彩色点云功能的相机节点的指令。
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### 启动节点的命令
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要启动相机节点,请在终端执行以下命令:
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```bash
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ros2 launch orbbec_camera gemini_330_series.launch.py enable_colored_point_cloud:=true
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```
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此命令将启动相机节点并启用彩色点云。
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### 发布的主题
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一旦相机节点运行,它将在多个ROS主题上发布数据。以下是可用主题的列表:
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- **IMU数据和IMU信息:**
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- `camera/accel/imu_info`
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- `camera/gyro/imu_info`
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- `camera/gyro_accel/sample`
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- **彩色相机主题:**
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- `/camera/color/camera_info`
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- `/camera/color/image_raw`
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- `/camera/color/image_raw/compressed`
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- `/camera/color/image_raw/compressedDepth`
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- `/camera/color/image_raw/theora`
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- `/camera/color/metadata`
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- **深度相机主题:**
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- `/camera/depth/camera_info`
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- `/camera/depth/image_raw`
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- `/camera/depth/image_raw/compressed`
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- `/camera/depth/image_raw/compressedDepth`
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- `/camera/depth/image_raw/theora`
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- `/camera/depth/metadata`
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- `/camera/depth/points`
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- `/camera/depth_filter_status`
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- `/camera/depth_registered/points`
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- `/camera/depth_to_color`
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- `/camera/depth_to_left_ir`
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- `/camera/depth_to_right_ir`
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- **红外相机主题:**
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- `/camera/left_ir/camera_info`
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- `/camera/left_ir/image_raw`
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- `/camera/left_ir/image_raw/compressed`
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- `/camera/left_ir/image_raw/compressedDepth`
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- `/camera/left_ir/image_raw/theora`
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- `/camera/left_ir/metadata`
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- `/camera/right_ir/camera_info`
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- `/camera/right_ir/image_raw`
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- `/camera/right_ir/image_raw/compressed`
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- `/camera/right_ir/image_raw/compressedDepth`
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- `/camera/right_ir/image_raw/theora`
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- `/camera/right_ir/metadata`
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- **杂项主题:**
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- `/diagnostics`
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- `/parameter_events`
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- `/rosout`
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- `/rosout_agg`
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### 在RViz2中可视化数据
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要查看点云或图像数据,请使用RViz2:
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1. 启动RViz2。
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2. 从发布的主题列表中选择您希望可视化的主题。
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3. 将选定的主题添加到RViz2中开始查看数据。
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### 示例可视化
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以下是在RViz2中可视化可能出现的示例:
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- **点云可视化**
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- **图像数据可视化**
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