find index of points in meshgrid under the line

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I have 2D mesh grid of 501*2001. I want to get indices of values for the grid points in straight line to change the values of grid amplitude as shown in figure. Capture.JPG

Answers (1)

KSSV on 23 Apr 2019
Read about knnsearch. You will get the the required/ nearest indices for the given line from the grid.
KSSV on 23 Apr 2019
I got your question......the answer works.

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