How to calculate the NDVI Index from a Sentinel 2 Image

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This tutorial show the procedure represent the bands of a Sentinel 2 Granule (Image) in QGIS. The representation of the image is True Color (Red, Green and Blue)

This post is a part of a group of videos called "Working with Sentinel 2 Imagery on QGIS" that shows the complete procedure to download, represent and process Sentinel 2 images in QGIS, more information in this link:
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Thank you for doing this video. I'm from Spain and it is very useful to aply it to the study of our crops. Thank you so much again!

pereaingenieriaforestal
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Can you get valid results with LC1 rasters? I thought you have to preprocess them to do atmospheric corrections (or work with L2A data)?

robertoherrero
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Thanks for the helpful video. I'm having problems getting my color band displaying properly. When I follow your instructions all I get is a single color on my NDVI. I am trying to find out how to convert the individual bands to float from integer which I think will solve the problem. Can you comment on that?

LeechDogg
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in need preprossessing on sentinel 2 level 2 on snap or qgis

khaledrouibah