Hi, I want to do maps of changes for NDVI for several days. When I use a map 1 for day 1, map 2 for day 2, map 3 for day 3 etc… in a same page, differences between maps were not visible. For this reason, I want to do maps of changes using differences between pixels value (or NDVI value) . Thus I want to extract coordinates and NDVI value for each pixel of my image (the image covers all a country). However, I have not all the pixel coordinates, but I have the coordinates of the image. Please how to extract coordinates and NDVI value for each pixel of my image when I don’t know the coordinates of all pixels. I use R. Sorry for my bad English. Thank you in advance Komine
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