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Forum: Qwt

Questions related to Qwt - Qt widgets for technical applications.

  1. Question Arbitrary X-Axis Scale Using Equation?

    Started by russdot, 12th January 2015 23:55
    • Replies: 2
    • Views: 3,407
    russdot
    14th January 2015, 04:52 Go to last post

  2. QwtPlot, problem with large plotwidth

    Started by qwtbeginner, 12th January 2015 10:30
    black, plotwidth, qscrollarea, qwtplot
    • Replies: 2
    • Views: 11,942
    qwtbeginner
    12th January 2015, 13:55 Go to last post

  3. qwt-6.1-multiaxes ASSERT failure in QVector<T>::operator[]: "index out of range"

    Started by StrikeByte, 9th January 2015 10:09
    • Replies: 0
    • Views: 6,343
    StrikeByte
    9th January 2015, 10:09 Go to last post

  4. Oscilloscope emulator

    Started by jayriordan, 7th January 2015 14:57
    • Replies: 4
    • Views: 5,285
    jayriordan
    9th January 2015, 00:56 Go to last post

  5. QwtThermo colors using stylesheet

    Started by mastupristi, 6th January 2015 23:33
    • Replies: 0
    • Views: 3,096
    mastupristi
    6th January 2015, 23:33 Go to last post

  6. plot canvas coodinates

    Started by alainstgt, 31st December 2014 15:06
    canvas, paint coordinates, physical coordinates 4 Attachment(s)
    • Replies: 3
    • Views: 5,141
    alainstgt
    5th January 2015, 02:28 Go to last post

  7. QwtPlotSpectrogram tutorial

    Started by enricong, 23rd December 2014 21:08
    • Replies: 1
    • Views: 4,068
    Uwe
    24th December 2014, 12:13 Go to last post

  8. How to draw a line anywhere on qwtpolar plot

    Started by vishaal_sss, 23rd December 2014 07:23
    • Replies: 0
    • Views: 3,677
    vishaal_sss
    23rd December 2014, 07:23 Go to last post

  9. Qwt and Qwtpolar : "Qwidget: Must construct a QApplication before a QWidget"

    Started by plb29n, 17th December 2014 18:20
    • Replies: 6
    • Views: 8,361
    plb29n
    18th December 2014, 21:01 Go to last post

  10. Question qwt, how to fill area above a curve with color?

    Started by rambo83, 19th November 2009 07:59
    3 Attachment(s)
    • Replies: 5
    • Views: 11,019
    ConfaMiky
    17th December 2014, 12:07 Go to last post

  11. QwtLegendData : how to retrieve the pen color of the curve ?

    Started by dasycarpum, 14th September 2014 15:08
    • Replies: 3
    • Views: 4,607
    dasycarpum
    17th December 2014, 09:55 Go to last post

  12. how to use QwtplotCurve::fillcurve Fill area above baseline and below the curve

    Started by lazy_learner, 29th April 2013 00:23
    qwtplotcurve 1 Attachment(s)
    • Replies: 3
    • Views: 9,243
    ConfaMiky
    16th December 2014, 05:43 Go to last post

  13. About QwtPlotRenderer with QwtTextLabel

    Started by lwz, 15th December 2014 06:42
    • Replies: 2
    • Views: 3,865
    lwz
    15th December 2014, 10:26 Go to last post

  14. Moving TimeScaleDraw in real time

    Started by Maximus2, 9th December 2013 20:20
    • Replies: 11
    • Views: 9,043
    Uwe
    11th December 2014, 15:11 Go to last post

  15. Two separate QwtLegend objects in one QwtPlot

    Started by javiator, 8th December 2014 09:13
    qwt 6.1.1, qwtlegend
    • Replies: 1
    • Views: 4,617
    Uwe
    10th December 2014, 07:00 Go to last post

  16. Exclamation QwtPlotPicker Subclass Segfaults

    Started by npotts, 5th December 2014 18:34
    qt5 qwt6, qwtplotpicker
    • Replies: 4
    • Views: 5,640
    npotts
    7th December 2014, 16:59 Go to last post

  17. memory problem with curves in plots

    Started by lwz, 5th December 2014 08:35
    • Replies: 2
    • Views: 3,011
    lwz
    6th December 2014, 03:05 Go to last post

  18. QwtPlotScaleItem is not updated after plot replot

    Started by lnk, 5th December 2014 15:43
    qwt
    • Replies: 0
    • Views: 3,039
    lnk
    5th December 2014, 15:43 Go to last post

  19. Realtime example ScrollZoomer and QwtPlotItem::Margins flag

    Started by ars, 3rd December 2014 17:17
    1 Attachment(s)
    • Replies: 2
    • Views: 3,898
    ars
    4th December 2014, 14:49 Go to last post

  20. Changing the font size and the color of QwtPlot scale labels

    Started by Momergil, 4th December 2014 11:10
    axis labels, qwtplot
    • Replies: 2
    • Views: 13,371
    Momergil
    4th December 2014, 12:23 Go to last post

  21. How to update curves with data from files?

    Started by lwz, 1st December 2014 03:12
    • Replies: 8
    • Views: 5,878
    lwz
    3rd December 2014, 08:17 Go to last post

  22. QwtScaleEngine::buildInterval() default values

    Started by ars, 1st December 2014 14:25
    • Replies: 1
    • Views: 2,691
    Uwe
    1st December 2014, 18:51 Go to last post

  23. SVG background on a Qwtpolar Plot

    Started by john_k, 28th November 2014 12:52
    • Replies: 1
    • Views: 3,709
    Uwe
    30th November 2014, 09:47 Go to last post

  24. How to draw more curves on an object "QwtPlot" separated.

    Started by adubaldo, 27th November 2014 13:58
    axis scaling, qwt, qwt curve, qwt plot 1 Attachment(s)
    • Replies: 1
    • Views: 3,141
    Uwe
    27th November 2014, 18:24 Go to last post

  25. QwtKnob with only one possible value

    Started by achard.ju, 21st November 2014 16:13
    • Replies: 2
    • Views: 2,823
    Uwe
    26th November 2014, 08:24 Go to last post

  26. Move the Center of QwtPlot to specific coordinates

    Started by alexge233, 21st November 2014 04:37
    qwt 6.1.1, qwtpickerdragpointmachine, qwtplot
    • Replies: 2
    • Views: 4,723
    alexge233
    22nd November 2014, 02:39 Go to last post

  27. QwtDateScaleEngine how to set the date range?

    Started by alexge233, 20th November 2014 04:11
    qdate, qwt, qwtdatescaleengine 1 Attachment(s)
    • Replies: 2
    • Views: 5,938
    alexge233
    20th November 2014, 19:24 Go to last post

  28. Qwt real-time plot memory problem

    Started by speak_no_evil, 20th November 2014 09:44
    • Replies: 1
    • Views: 3,465
    Uwe
    20th November 2014, 10:20 Go to last post

  29. Problems when deriving from Qwt classes in an app (Qwt 6.1.0 compiled with MSVC 2010)

    Started by Alekon, 19th November 2014 08:23
    class, deriving, error, link, qwt
    • Replies: 0
    • Views: 5,539
    Alekon
    19th November 2014, 08:23 Go to last post

  30. Uwe : How to create real time plot with auto scale axis and zooming functionality.

    Started by vinothrajendran, 18th November 2014 09:59
    qwt, real time plot
    • Replies: 1
    • Views: 5,076
    Uwe
    19th November 2014, 06:48 Go to last post
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