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Thread: How to create own graph(Curve graph) using Qt ?

  1. #1
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    Question How to create own graph(Curve graph) using Qt ?

    Hello Everyone,

    I am starting a new project which require a graph (Curve graph) with its specific features.
    I am willing to make it in QGraphicsScene, and i do not want to usw QWT graph api.
    Well i have many problems in developing the graph....

    1. I have to plot a lot of data in it (Around 3000 - 6000 points)
    2. Draw two plots with different axis values (For both plot a new axis is visible behind the current axis. i.e, side by side)

    as for the above problems it should have to be fast anc accurate...
    Well i am newbie in developing that kind of stuffs., please help me out what will be the structure i follow to create a graph(Curve graph).
    and the best way to implement...

    THANKS

  2. #2
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    Default Re: How to create own graph(Curve graph) using Qt ?

    If you don't want to use Qwt, then have a look at QCustomPlot. I might not have understood your requirement, but suggesting an alternative if you cannot use Qwt.

  3. #3
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    Default Re: How to create own graph(Curve graph) using Qt ?

    thanks rawfool,

    Actually i had already used QCustomPlot but something i need to develop my own graph with my own customization as i mentiones above.
    May be my customizations are something odd, but thats my need.

    a graph having two axis on LHS
    Two graph curves
    etc...

    Thanks for QCustomPlot, but i need to know if i want to create my own graph then what should i consider before starting development?


    ANY IDEA ????
    YOUR IDEAS WILL BE HELPFUL TO ME....

  4. #4
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    Default Re: How to create own graph(Curve graph) using Qt ?

    I am trying to sketch some shapes in my program and I would like to know the best technique to do that. The shapes are actually sections of clothoids and I know the begin and end factor for each of them as well as their begin and end curve.

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