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How do I digitize wind velocity arrows in an image?

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Masoud Moeini
Masoud Moeini 2021-10-24
回答： MJFcoNaN 2022-4-3
How do I digitize wind velocity arrows as seen in a meteorology image? I need to analyze the image and obtain the (X and Y) coordinates of: 1) the starting point, and 2) the end point of each arrow. Below, you can find a graphical representation of the arrows.

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MJFcoNaN
MJFcoNaN 2022-4-3
the function of "quiver" is suitable.

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