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Updated README to avoid source and building in same terminal #4

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Updated README to avoid source and building in same terminal #4

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14 changes: 8 additions & 6 deletions README.md
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Expand Up @@ -61,15 +61,17 @@ You can either provide an optional path to mirror in your host ROS workspace wit
2. Clone this package repository to `your_ws/src/isaac_ros_apriltag`. Check that you have [Git LFS](https://git-lfs.github.com/) installed before cloning to pull down all large files.
`sudo apt-get install git-lfs`
`cd your_ws/src && git clone https://github.com/NVIDIA-ISAAC-ROS/isaac_ros_apriltag`
3. Build and source the workspace:
`cd your_ws && colcon build --symlink-install && source install/setup.bash`
4. (Optional) Run tests to verify complete and correct installation:
3. Build the workspace:
`cd your_ws && colcon build --symlink-install`
4. Source the workspace (in a new terminal):
`cd your_ws && source install/setup.bash`
5. (Optional) Run tests to verify complete and correct installation:
`colcon test`
5. Start `isaac_ros_apriltag` using the prebuilt executable:
6. Start `isaac_ros_apriltag` using the prebuilt executable:
`ros2 run isaac_ros_apriltag isaac_ros_apriltag`
6. In a separate terminal, spin up a **calibrated** camera publisher to `/image_rect` and `/camera_info` using any package (for example, `v4l2_camera`):
7. In a separate terminal, spin up a **calibrated** camera publisher to `/image_rect` and `/camera_info` using any package (for example, `v4l2_camera`):
`ros2 run v4l2_camera v4l2_camera_node --ros-args -r /image_raw:=/image_rect`
7. Observe the AprilTag detection output `/tag_detections` on a separate terminal with the command:
8. Observe the AprilTag detection output `/tag_detections` on a separate terminal with the command:
`ros2 topic echo /tag_detections`

### Configuration
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