QT how to display different color in the line chart according to the value of
In this diagram, for example, more than 75 shows red, less than 25 shows yellow, display in the middle of the green, this is how to implement

CodePudding user response:

Do not recommend on the question of what was not significant waste of time and effort.

CodePudding user response:

Have you this implementation?

CodePudding user response:

Only a point in a painting, different colors in different regions

CodePudding user response:

If the line is real-time, so the color of the line can be judged by coordinate