When to use Alternative Processing Mode in Initial Processing? Follow It is recommended for processing aerial nadir images of projects where: The ground looks essentially flat in the images due to the proportion between the height of the objects and the height of the flight. There is good image geolocation. Example: Farming and forestry terrains with repetitive structures (uniform grass, crop fields, trees). Terrain with low texture (sand, ice). Projects where nadir aerial images were acquired and the Standard processing mode did not produce satisfactory results. Was this article helpful? 1 out of 3 found this helpful Related articles Menu Process > Processing Options... > 1. Initial Processing > Calibration Quality Report Help How to change the Camera Initial Values to the Optimized Values Processing thermal images Long Processing Time for Step 3 with Quadro GPUs Article feedback (for troubleshooting, post here) 0 comments Article is closed for comments.