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I am trying to create a QLineChart class that has a function that can add new points to the graph. The points appended in the class constructor do show up, but anything added by the method addNewPoints does not show up. How do I add graph points with a class method?
Hi everyone, I would like to change automatically y-axis for the dynamic plot. I changed the dynamic plot example in examples and have appended lots of point...
Dear All, I'm currently learning how to use QChart and I don't know if I need to use the easy way with QchartView or the hard one using QGraphic Scene. what ...
I added QT += charts to my project. The header file qchartview.h is found without problems. Still get compiler error: invalid use of incomplete type 'class QChartView' What can be wrong? Just a simplified C++ code for understanding #include QChartView m_chartView = new QChartView (centralTabWidget); 0 A Alexander Maltsev Hi,
Hello! I want to display some data using QtCharts. I have tried the DynamicSpline example, it works well but when I set my data then nothing is displayed. I ...
How to achieve show/hide Qt Charts series by clicking legendmarker in Qt Quick Unsolved General and Desktop 2 Posts 2 Posters 969 Views
I have cloned the qtcharts project from github and I am trying to built it. I am using ubuntu, qmake version 3.0 and qt version 5.5.1. I get the following er...
I am trying to use QtGraphs to display an area chart of elevation data from a cycling trip. I have the data ready in C++ and am looking for a way to expose i...
A class that inherits Abstractmodel connects charts and tables. If the chart is drawn again after initializing the table data, the message Invalid Y coordinate index in model mapper is generated.
When i add a global variable in my function, the program will crash when running. Is there a way to replace global variable to something else? or reason why ...