How to analyze the data from a graph saved as a .png image?

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Miguel Capelo
Miguel Capelo 2020 年 8 月 24 日
コメント済み: Miguel Capelo 2020 年 8 月 25 日
Hey!
I have this .png image of some graphs and I want to store the data of all the info found in this type of graph (turbine graphs), in different vectors. Can anyone help?
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Miguel Capelo
Miguel Capelo 2020 年 8 月 24 日
For instante, in this case identify the best efficiency point and its efficiency (94.12), and the Q, H and Power for that point (6.45 m3/s, 24.05m and aprox. 1.4MW)

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KSSV
KSSV 2020 年 8 月 24 日
Note that it is a tedious job and it is on our patience.
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Miguel Capelo
Miguel Capelo 2020 年 8 月 25 日
I've already seen that, but with Grabit you have to do it yourself for every image (calibrate the axes, etc). Isn't there any code to do that automatically?

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