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This block is in charge of modelling the instrument LOS and detector projection coupling it with the platform AOCS and producing the final instrument viewing directions for image acquisition.Calculates the LOS (Line-Of-Sight) in instrument frame. The Instrument Projection calculates the LOS in ECEF frame. It is in charge of reproducing the scanning and pointing of the instrument LOS as function of time (cross-track, along-track, bidirectional, slowdown, limb…). In addition, this block couples the platform attitude with this scanning motion of the instrument.