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obtain data from a colour scaled map

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Ahmed Abdulla
Ahmed Abdulla on 13 Jun 2019
Closed: MATLAB Answer Bot on 20 Aug 2021
i have a map that shows magnetic field strength and it uses a color scale so that when the colour is red on the map this means that the magnitude is approaching positive maximum and if its green then its close to 0 and when it gets to blue its approaching negative infinity, and i am looking for a way so that whenever i move the cursor on the map i would know the value of the magnetic field at that point based on the colour
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Ahmed Abdulla
Ahmed Abdulla on 13 Jun 2019
i am using MATLAB R2019a, the map is taken from a research paper so its just an image fileIMG_2830.jpg

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