How to calculate the total length of all the lines in this image (with grid)?
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Is there a way to calculate the total distance/length of all the red lines in this image (only red lines)?
Those red lines are like trajectory, and each cyan grid's edge can be consider as 1 unit.
[Calculating each line's length and adding them all up isn't going to work because later on i will have more red lines :( ]
Thank you in advance!!!
回答 (1 件)
Benjamin Thompson 2022 年 8 月 15 日
編集済み: Benjamin Thompson 2022 年 8 月 15 日
You can use colorThresholder to help isolate the red pixels and then simply count all of them in the resulting mask image using the sum function. colorThresholder generates script code which I have attached, with a small manual edit to get just the BW mask image as the output. Apply a scale factor to the result if your red lines are wider than one pixel.