Select pixels

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Marina Zavolskova

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Apr 17, 2024, 11:33:42 AM4/17/24

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Hello everyone,

does anyone know if it's possible to select not region-of-interest but line-of-interest? I wanted to find coordinates of a slice edge.

Marina Zav

kbemis

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Apr 30, 2024, 6:07:05 PM4/30/24

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Not directly without some additional calculations.

One way I can think of would be to use the standard graphics::locator() function to select as many coordinates along the edge as you desire, calculate coordinates along the line segments, and then use matter::kdsearch() on the coord() data frame to find all coordinates within a given tolerance of the line coordinates.