Spatial Pixel = Ground Sampling Distance (GSD) also called Instantaneous Field-of-View (IFOV) that presume square pixels
Line Spacing = Distance between Flight Lines
Overlap = Side overlap percentage of adjacent Flight Lines
Disclaimer: This online tool is provided for our customers' convenience. Headwall makes no warranty or claim related to the accuracy of this online tool. It is merely provided free of charge as an aid to calculation. There are some known issues with entering extreme values and some 'fixed' values being changeable, but these issues will be addressed in a future release.