Qt graph vs Qt chart - Qt Forum
2024年10月19日 · Qt Graphs will fully replace and even improve the Qt Chart module. One major difference is that Charts are rendered using Qt's Graphics View Framework, while Graph elements for both C++ and QML, are rendered using Qt Quick Shapes (QML-based).
Unknown module in QT: Charts - Qt Forum
2019年10月29日 · If you're using Qt provided by Ubuntu then install libqt5charts5 package. If you're using Qt online installer then run it again and select "Qt Charts" for the Qt version you installed. Just realised "I used bitbake on Yocto to install the tools for the current AM437x Board I am using" - then you need to check what you need to install using ...
Find Data Value with Mouse on a QtChart - Qt Forum
2021年12月8日 · Hey everyone, Hope all is well. Currently, I have been working on an app that uses QtCharts and QChartView. No issues thus far with most of the features I am...
QtChart with Qt designer
2020年4月4日 · I'm new in Qt. I would like to use QtChart with Qt designer but the QChart widget is not available from Qt designer. After some research I found that I had to promote a widget to QChart. So I have the following in the Designer now In the constructor I have the following
How to resolve error messages related to QtChart ... - Qt Forum
2024年11月8日 · I have an old project named MotherVoice, which was written in Qt 5.14.0 several years ago. In preparation for upgrading to Qt 6, I downloaded Qt 5.15.2 and Qt Creator 14.0.1 and updated my scripts accordingly. The updated project is now working properly in Qt 5.15.2.
Custom QML Chart (realtime data) - Qt Forum
2021年8月20日 · @romain-donze said in Custom QML Chart (realtime data): ctx.save(); Hey, This chart looks awesome - I'm trying to utilize some elements here and draw some axis lines on my own chartview. Can you explain what is happening with the ctx.save() method? I cant find it defined anywhere. Is it in the cpp code? Thanks!
how to fix QT Project ERROR: Unknown module(s) in QT: charts
2021年2月16日 · Simply make sure you use Qt version (in QtCreator check Kit you're using) which has Qt Charts. So, please make sure you use the exact same Kit for old project as you use for the new project. You can post a screen-shot of your Kits tabs in QtCreator settings.
Real-time update of QChart - Qt Forum
2019年7月9日 · I am receiving a string over a bluetooth connection which contains values from 3 different sensors. I am using Qchart (bars) to display incoming data.
QtCharts installation on Ubuntu - Qt Forum
2020年10月22日 · When installing Qt from the Qt web site, the whole of Qt resides in a single folder, typically someting like: Qt/5.12.8/ The bundled Qt in Ubuntu is not in a single folder, e.g. the header files are in usr/incude/x86_64-linux-gnu/qt5
QtChart - Line chart how to - Qt Forum
2015年8月7日 · When drawing a line chart in QtChart 2.0, how do I: draw a marker (e.g. square, circle etc) for each point displayed, and; display a small pop-up window showing the value of the data point when user mouse over it? I cannot seem to find any examples on how to achieve this in the QtChart 2.0 examples. Many thanks in advance. Jason
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