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Forum: Qwt

Questions related to Qwt - Qt widgets for technical applications.

  1. setting ticks on QwtPlotScaleItem

    Started by ericLemanissier, 8th August 2014 18:26
    3 Attachment(s)
    • Replies: 5
    • Views: 4,544
    Uwe
    15th August 2014, 09:50 Go to last post

  2. Longstanding problem with crashing, 'pure virtual function call'

    Started by MattPhillips, 9th August 2014 16:19
    curves, qpainter, sample
    • Replies: 11
    • Views: 10,364
    Uwe
    14th August 2014, 09:08 Go to last post

  3. Create a QImage from a QwtPlot

    Started by gib, 12th August 2014 06:54
    • Replies: 2
    • Views: 3,278
    gib
    12th August 2014, 21:53 Go to last post

  4. QwtPlotMagnifier zooming around the mouse pointer

    Started by cesroc, 8th August 2014 14:29
    mouse position, qwtplotmagnifier, zoom in/out
    • Replies: 3
    • Views: 7,822
    Uwe
    12th August 2014, 19:09 Go to last post

  5. How to get a good sine waveform for frequency bigger than 20HZ(qwt Oscillocope)

    Started by Herr_schneider, 7th August 2014 22:07
    c++, plot, qwt, waveform
    • Replies: 1
    • Views: 3,659
    Uwe
    9th August 2014, 10:12 Go to last post

  6. Question How to real time plot?

    Started by RafaelRSE, 6th August 2014 14:44
    real time plot
    • Replies: 2
    • Views: 4,952
    RafaelRSE
    7th August 2014, 18:14 Go to last post

  7. How to paint cross filling?

    Started by lwz, 5th August 2014 10:43
    1 Attachment(s)
    • Replies: 2
    • Views: 3,070
    lwz
    6th August 2014, 11:04 Go to last post

  8. I do not understand QwtEventPattern. Can someone explain?

    Started by sadastronaut, 5th August 2014 19:53
    mouseevent, qwt, qwteventpattern
    • Replies: 1
    • Views: 3,158
    Uwe
    6th August 2014, 10:25 Go to last post

  9. How to display text from the picker only during a click

    Started by sadastronaut, 5th August 2014 20:52
    mouseevent, qwt, qwtplotpicker
    • Replies: 1
    • Views: 3,277
    Uwe
    6th August 2014, 10:07 Go to last post

  10. How to rotate QwtSymbol

    Started by Suchitra, 1st August 2014 22:33
    • Replies: 1
    • Views: 2,533
    Uwe
    2nd August 2014, 11:10 Go to last post

  11. rubber band zoom on a qwtpolarplot

    Started by john_k, 31st July 2014 18:48
    • Replies: 1
    • Views: 3,143
    Uwe
    2nd August 2014, 10:53 Go to last post

  12. PyQT and Qwt read data and plot -- not able to plot

    Started by diedro, 1st August 2014 14:43
    • Replies: 0
    • Views: 4,494
    diedro
    1st August 2014, 14:43 Go to last post

  13. Segfault QwtPlotCurve::drawDots

    Started by SandyEmerald, 31st July 2014 14:01
    • Replies: 0
    • Views: 2,046
    SandyEmerald
    31st July 2014, 14:01 Go to last post

  14. SignalData::instance().clearStaleValues() VS data->values().clearStaleValues()

    Started by Bangalaman, 30th July 2014 06:50
    c++, error, qvector, qvector<qpoint>, qwt
    • Replies: 0
    • Views: 5,011
    Bangalaman
    30th July 2014, 06:50 Go to last post

  15. Question Axis Tick and Label !

    Started by huyhoangfool, 24th July 2014 05:03
    3 Attachment(s)
    • Replies: 5
    • Views: 5,935
    Uwe
    29th July 2014, 12:20 Go to last post

  16. Efficient way of performing replot of almost identical plots

    Started by Momergil, 27th June 2014 15:46
    performance, qwt
    • Replies: 1
    • Views: 3,758
    C403
    26th July 2014, 09:54 Go to last post

  17. Cannot compile examples

    Started by jmalicke, 17th July 2014 07:26
    • Replies: 4
    • Views: 5,975
    jmalicke
    17th July 2014, 21:26 Go to last post

  18. Controlling the margin of a QwtPolarPlot

    Started by Momergil, 16th July 2014 18:35
    qwtpolarplot 1 Attachment(s)
    • Replies: 2
    • Views: 2,856
    Momergil
    17th July 2014, 18:45 Go to last post

  19. Changing the brush in QwtPlotLegendItem

    Started by Momergil, 15th July 2014 21:57
    qwtplotlegenditem
    • Replies: 1
    • Views: 2,277
    Uwe
    16th July 2014, 07:43 Go to last post

  20. Using logaritmic and linear axis scale together

    Started by alperyazir, 14th July 2014 08:28
    axis scaling, qwt, qwt 6.1.0 1 Attachment(s)
    • Replies: 1
    • Views: 2,982
    Uwe
    15th July 2014, 08:40 Go to last post

  21. Handling array of QwtPlotCurve dynamically

    Started by mqt, 10th July 2014 07:42
    dynamic size, qwtplotcurve
    • Replies: 1
    • Views: 3,919
    Uwe
    11th July 2014, 14:01 Go to last post

  22. new seriesData for plotting spectrum on oscillocope example?

    Started by Bangalaman, 8th July 2014 20:19
    c++, plot, qwt, real time plot, spectrum
    • Replies: 0
    • Views: 3,044
    Bangalaman
    8th July 2014, 20:19 Go to last post

  23. expected type-specifier before 'QwtLog10ScaleEngine'

    Started by Bangalaman, 4th July 2014 07:04
    c++, plot, qt5, qwt 6.0.1, qwtlog10scaleengine
    • Replies: 4
    • Views: 6,006
    Bangalaman
    4th July 2014, 14:57 Go to last post

  24. QwtPlotMultiBarChart not equal width

    Started by nanthiran_2005, 20th June 2014 05:38
    bar charts, multi bar chart, width 2 Attachment(s)
    • Replies: 6
    • Views: 6,647
    nanthiran_2005
    27th June 2014, 12:39 Go to last post

  25. QwtPlot Meta Object Not Found

    Started by yapatel, 26th June 2014 21:40
    dynamic library, qwt, undefined symbol
    • Replies: 0
    • Views: 2,743
    yapatel
    26th June 2014, 21:40 Go to last post

  26. Inserting two legends in a QwtPlot with different content

    Started by Momergil, 23rd June 2014 14:15
    qwtplotlegenditem
    • Replies: 2
    • Views: 2,872
    Uwe
    25th June 2014, 19:39 Go to last post

  27. some questions about qwt scale and manipulation

    Started by silent_missile, 25th June 2014 09:17
    scale move
    • Replies: 1
    • Views: 2,708
    Uwe
    25th June 2014, 19:20 Go to last post

  28. change the pixel size of major interval in Qwt

    Started by daidaeee, 25th June 2014 08:42
    histogram, qwt
    • Replies: 1
    • Views: 2,652
    Uwe
    25th June 2014, 18:57 Go to last post

  29. setScaleDraw(QwtScaleDraw * scaleDraw) function in QwtPlotScaleItem class

    Started by lnk, 24th June 2014 22:47
    qwt
    • Replies: 1
    • Views: 3,560
    Uwe
    25th June 2014, 18:46 Go to last post

  30. qtcreator custom plugin inherited by a QwtPlot

    Started by mondon, 20th June 2014 10:14
    custom, plugin, qtcreaotr, qwtplot
    • Replies: 0
    • Views: 4,854
    mondon
    20th June 2014, 10:14 Go to last post
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