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First, I wanted to thank you for the awesome job you've done. I had a question though, where do you store the extracted minutia and the ridge orientation for each fingerprint?
Ridges are not stored. Minutiae are stored in the fingerprint template.
Thank you, I found the minutia.
But can you tell me where in the program do you calculate the orientation map, I need to extract them for my work.
Look into HillOrientation.cs file. If you want to capture the orientation map without taking the whole algorithm apart, look into Fingerprint Analysis app. It uses built-in data logging to capture the orientation map.