Updating a Q3DScatter by PushButton
-
Hello everybody,
I'm new in Qt and I want to use a Q3DScatter for visualizing points.
I embedded the Q3DScatter in a QWidget and the QWidget in a gridLayout.
The code is shown below. It's just the Scatter without data.MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);Q3DScatter *graph = new Q3DScatter();
QWidget *container = QWidget::createWindowContainer(graph); Q3DScatter *graph2 = new Q3DScatter(); QWidget *container2 = QWidget::createWindowContainer(graph2);
ui->gridLayout->addWidget(container);
ui->gridLayout_2->addWidget(container2);
}In the next step I want to use a PushButton for updating the points. The method looks like this:
void MainWindow::on_pushButton_4_clicked()
{
scattermodifier *modifier = new scattermodifier(graph);scattermodifier *modifier_2 = new scattermodifier(graph2);
}
Basicly, the scattermodifier works but how can I use graph and graph2 from the MainWindow class?
I guess it's a C++ topic but maybe anybody could give me a hint how to solve this problem :-)Thanks a lot.
Kindly regards,
Timo
-
@Timo_F I don't understand the problem: graph and graph2 are already created in MainWindow. The only thing you need to change is: make them class member:
class MainWindow { private: Q3DScatter *graph; Q3DScatter *graph2; ... }; MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); graph = new Q3DScatter(); QWidget *container = QWidget::createWindowContainer(graph); graph2 = new Q3DScatter(); QWidget *container2 = QWidget::createWindowContainer(graph2); ui->gridLayout->addWidget(container); ui->gridLayout_2->addWidget(container2); }