Hi everybody, I need to fill the gaps of landsat ETM with envi extension gapfill.sav.I already use Envi 4.4 and downloaded the .SAV file and put it in the proper directory.(but instead of Envi46 folder i have envi 44). But my program didnt add any tab concerning the gapfill.can any body help me with that? I have also used panchroma software but for saving the final images you must buy its license. I would be thankful if anybody can help me or offer another software instead