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Thread: MultiScale support can be implemented?

  1. #1
    Join Date
    Jan 2010
    Ankara - TURKEY
    Thanked 1 Time in 1 Post
    Qt products

    Default MultiScale support can be implemented?

    Hi buddies,

    I have already examined qwt sources those that about scales. And haven't able to found reasonable way to support multi scale.

    MultiScale support which I mean that I want to show lots of curve in one canvas in different scale properties of each one. For example I have 3 curve those that have different scale ranges, and I want to paint each of them in their own scale ranges on the same canvas. So there will not be unique left scale, there will be lots of scale ranges attached to each curve. While plotting the curve, plotter will look up these curve based scale properties, not static (left or right) scale properties.

    What is the probability of doing this feature? And where is the best place to look and start to change?

    Thanks in advance.

  2. #2
    Join Date
    Feb 2006
    Munich, Germany
    Thanked 849 Times in 798 Posts
    Qt products
    Qt3 Qt4 Qt/Embedded
    MacOS X Unix/X11 Windows

    Default Re: MultiScale support can be implemented?

    This feature has been asked many, many times.

    To make it short: Qwt doesn't support more than 4 axes ( = scales ) and if you need this you have to patch Qwt.

    On the Qwt project page at sourceforge you find such a patch in the patches section for an earlier version of Qwt. When you want port it to a current version ( f.e 6.x ) please upload your modified patch in a similar way.


  3. The following user says thank you to Uwe for this useful post:

    umituzun84 (7th February 2011)

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