Determine the percentage of proximity of a point with respect to the theoretical

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Alejandro Fernández
评论： Alejandro Fernández 2021-2-26
Hello, I need to calculate the percentage of proximity that has a real point with respect to a theoretical one that is located in the center of a rectangle of 300 mm side by 340 mm wide.
If the real point (shown in red) is just above the black, it should return 100% and as it moves away that value should decrease until it is at least 0%.
Could someone tell me how this could be achieved or what I need to do research on to be able to do this?

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SaiDileep Kola
SaiDileep Kola 2021-2-26
You may assume an incircle or excircle and scale the distance with respect to radius of circle can be converted to percentage, you can think of similar approach with some other structure.
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Alejandro Fernández
Alejandro Fernández 2021-2-26
Thank you so much I have solve it with this:
dist = norm(pos_centro-stats(index).Centroid);
square_size = [n/6 m/6];
max_dist = norm([0 0] - square_size./2);
confidence = 100-(dist/max_dist*100);

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