Hello. Can you please tell whether you can use, qwt To make the something like this:
tr3.jpg
Ie when you click on the chart, find the Y coordinate of the curve?
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How to know the value of a point on the graph?
Hello. Can you please tell whether you can use, qwt To make the something like this:
tr3.jpg
Ie when you click on the chart, find the Y coordinate of the curve?
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