Bag files containing post processing
Hi, I use the RealSense Viewer to record data with my D435i and use the recorded bag-files for further processing. However, I cannot figure out whether the different types of post processing included in the RealSense Viewer are actually applied to the images and saved to the bag files. Is there a way to have the post processing saved to bag or is all post processing purely software based for the visualization in the RealSense Viewer and never saved to file? The latter would imply that after reading from bag, you always have the raw data and any post processing has to be done in the code.
Any comments on this would be appreciated.
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Post-processing is performed on data outside of the bag file. Once the post-processing is applied in the Viewer, you can save the amended image as a 2D file (png, raw, csv) or a 3D point cloud file (ply).
You can also use scripting to load a bag file and apply processes such as post-processing and alignment, like in the C++ script in the link below.
https://github.com/IntelRealSense/librealsense/issues/4400#issuecomment-511197098
More information on post-processing can be found in the SDK documentation:
https://github.com/IntelRealSense/librealsense/blob/master/doc/post-processing-filters.md
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