Add feature to interpolate tie points in space.
Needed to implement EnMAP VNIR/SWIR co-registration. Related to EnMAP/GFZ_Tools_EnMAP_BOX/EnPT#108.
Edited by Daniel Scheffler
Needed to implement EnMAP VNIR/SWIR co-registration. Related to EnMAP/GFZ_Tools_EnMAP_BOX/EnPT#108.