Extracting the indices in a 2D map associted with lines drawn over the map
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Hello,
I have a 2D map of some geophysical variable. Visually, to mark the regions of interest and draw cross-sections, I have drawn several lines that indicate the various regions of the map. Now, I would like to extract the indices associated with each of these lines. I would then like to average the geophysical variable once I know the indices (which is simple). I just don't know how to extract the indices given these lines.
Any guidance will be appreciated!
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/625033/image.png)
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Image Analyst
2021-5-20
Use improfile() to draw your lines. Two of the outputs will be the vector of x and vector of y values for the line you drew.
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另请参阅
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