- Frame Center. Tags 23, 24
- Corner points (Offsets). Tags 26-33.
- Corner points (Full). Tags 82-89.
If your camera points over the horizon, it is not possible to calculate a Frame Center and as a result, the Corner Points offsets (as those are offsets from the frame center). When the center point latitude and longitude are not computable (not valid points on the earth), the MISB0601 standard requires to insert some special values that signals that the sensor is not pointing on the earth. As this is very common situation in aerial photography, KlvInjector lets you an option to insert or discard Frame Center and CCorner Points offsets results if this info is not really needed (you cannot draw something on a map based on this) and you want to save on a metadata bandwidth. As for the Full corner points (Tags 82-89) we can still produce something meaningful in most cases (if of course the camera does not point on the sky). In the case when some partial metadata still can be calculated, KlvInjector will keep the real "near" corner points and estimate the "far" corner points using UAV's altitude and distance to the horizon.
- Note
- KlvInjector does not use any terrestrial elevation data, so this will only be accurate on flat terrain.
