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Forum: Qwt

Questions related to Qwt - Qt widgets for technical applications.

  1. Problems with QwtPlotScaleItem and switching scale engine

    Started by mwh, 25th September 2024 14:27
    3 Attachment(s)
    • Replies: 0
    • Views: 2,195
    mwh
    25th September 2024, 14:27 Go to last post

  2. Drawing a QwtPlot object element on top of other elements (QWT library)

    Started by nayaga, 15th June 2024 14:56
    c++, qwt
    • Replies: 1
    • Views: 5,403
    Uwe
    18th June 2024, 17:57 Go to last post

  3. QWT Curve symbol show/hide

    Started by mqt, 14th June 2024 15:44
    • Replies: 1
    • Views: 1,596
    Uwe
    18th June 2024, 17:52 Go to last post

  4. Partial quick redraw of some QwtPlot elements

    Started by nayaga, 7th June 2024 07:54
    c++, qwt, qwt 6.0.0 beginner
    • Replies: 1
    • Views: 2,346
    Uwe
    10th June 2024, 08:13 Go to last post

  5. Quick redraw of QWT chart

    Started by nayaga, 5th June 2024 13:25
    c++, qwt, qwtplot
    • Replies: 0
    • Views: 4,253
    nayaga
    5th June 2024, 13:25 Go to last post

  6. Qwt with Qt 6.7.0 QwtPlot doesn't show colors in legend

    Started by muythaibxr, 9th April 2024 21:31
    • Replies: 2
    • Views: 10,246
    Uwe
    15th April 2024, 14:29 Go to last post

  7. Question Interfacing to :qwt_plot_curve.h: void setSamples( const QVector< QPointF >& );

    Started by Scottie Dog, 12th March 2024 14:33
    • Replies: 3
    • Views: 5,741
    Scottie Dog
    13th March 2024, 13:07 Go to last post

  8. Significant performance issue with high dpi

    Started by mwh, 26th January 2024 10:45
    • Replies: 3
    • Views: 5,579
    Uwe
    29th January 2024, 10:56 Go to last post

  9. Odd behavior when changing scale engines

    Started by mwh, 15th November 2023 08:35
    • Replies: 2
    • Views: 14,740
    mwh
    17th November 2023, 14:33 Go to last post

  10. Spline interpolation behaves "weird"

    Started by mwh, 6th November 2023 14:34
    3 Attachment(s)
    • Replies: 6
    • Views: 11,560
    mwh
    15th November 2023, 08:22 Go to last post

  11. Qwt 6.2 - problems with high dpi scaling

    Started by mwh, 18th September 2023 14:22
    3 Attachment(s)
    • Replies: 6
    • Views: 14,570
    mwh
    20th September 2023, 07:56 Go to last post

  12. Question QwtPlotLegendItem with items spanning multiple columns

    Started by alex_sh, 17th August 2023 09:39
    qwt legend item span
    • Replies: 0
    • Views: 19,606
    alex_sh
    17th August 2023, 09:39 Go to last post

  13. Question Issue of overlapping segments on a QwtPlotCurve with a thick transparent QPen

    Started by Bob_Edwards, 24th April 2023 19:15
    alpha channel, effect, qwt, qwtplotcurve 2 Attachment(s)
    • Replies: 2
    • Views: 9,636
    Bob_Edwards
    26th April 2023, 16:38 Go to last post

  14. Qwt Lib for Qt5 and Qt6

    Started by TestCoder, 31st March 2023 20:01
    • Replies: 0
    • Views: 13,040
    TestCoder
    31st March 2023, 20:01 Go to last post

  15. Qwt with CMake

    Started by buster, 27th February 2023 21:45
    • Replies: 15
    • Views: 16,209
    d_stranz
    6th March 2023, 19:57 Go to last post

  16. Question Render canvas only to QImage

    Started by alex_sh, 8th February 2023 09:26
    canvas, image, qwt, render, spectrogram
    • Replies: 2
    • Views: 9,019
    alex_sh
    9th February 2023, 09:46 Go to last post

  17. Question QwtPlotOpenGLCanvas plot window disappears then reappears

    Started by peppermg, 11th November 2022 21:49
    • Replies: 1
    • Views: 8,236
    Uwe
    14th November 2022, 07:35 Go to last post

  18. QwtSplineCurveFitter and auto scale

    Started by mwh, 18th October 2022 07:23
    1 Attachment(s)
    • Replies: 2
    • Views: 7,197
    mwh
    19th October 2022, 07:48 Go to last post

  19. Contour plot of non-rectangular data?

    Started by dobedidoo, 12th October 2022 13:14
    1 Attachment(s)
    • Replies: 1
    • Views: 7,545
    d_stranz
    12th October 2022, 16:07 Go to last post

  20. Need space between bars in QwtPlotMultiBarChart

    Started by chanduthp, 7th September 2022 08:44
    2 Attachment(s)
    • Replies: 2
    • Views: 8,406
    chanduthp
    8th September 2022, 13:26 Go to last post

  21. QwtText warning: Type conversion already registered from type QString to type QwtText

    Started by alketi, 15th June 2022 15:17
    • Replies: 2
    • Views: 10,629
    alketi
    1st September 2022, 20:41 Go to last post

  22. Plot in a transformed grid

    Started by raphael.lencrerot, 18th August 2022 10:16
    coordinate system, rotated grid, transform 2 Attachment(s)
    • Replies: 0
    • Views: 15,449
    raphael.lencrerot
    18th August 2022, 10:16 Go to last post

  23. QwtPlot: not use scientific notation in axis labels

    Started by qt_gotcha, 21st May 2022 09:35
    • Replies: 1
    • Views: 9,192
    Uwe
    22nd May 2022, 18:56 Go to last post

  24. manipulating data for log scale

    Started by oliver_mpt, 16th April 2022 22:23
    • Replies: 6
    • Views: 11,434
    jhosek
    26th April 2022, 09:22 Go to last post

  25. "Reset" panning?

    Started by dobedidoo, 21st April 2022 14:40
    • Replies: 5
    • Views: 10,514
    Uwe
    25th April 2022, 09:38 Go to last post

  26. QwtPlotItem::setZ() isn't working correctly

    Started by knarfS, 22nd November 2019 13:24
    • Replies: 5
    • Views: 18,441
    Uwe
    4th February 2022, 14:55 Go to last post

  27. Unexpected minor tick on QwtPlot x axis

    Started by vix, 23rd November 2021 09:57
    1 Attachment(s)
    • Replies: 5
    • Views: 12,499
    Uwe
    11th January 2022, 07:26 Go to last post

  28. QwtPlot issue under Win CE6

    Started by vix, 19th November 2021 10:27
    ce6, qwtplot
    • Replies: 4
    • Views: 11,078
    vix
    23rd November 2021, 09:52 Go to last post

  29. Scrolling X Axis

    Started by peppermg, 16th November 2021 18:18
    1 Attachment(s)
    • Replies: 1
    • Views: 9,673
    Uwe
    19th November 2021, 10:00 Go to last post

  30. event_filter Example

    Started by johno, 18th November 2021 06:47
    • Replies: 2
    • Views: 9,284
    Uwe
    19th November 2021, 08:17 Go to last post
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