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However, in some special cases, TPGs can take significant amount of time to create. One example is the slant range time and incidence angles in the ALOS CEOS products. In this case the data is stored in the image records and take some time to seek and read in the files.
Action items
- TPGs should be created as normal with all the current information needed for the current constructors.
- The ProductReader interface should be updated to include:
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