How to use the QGraphicsView's translate() function?

Question

here i have a scene and a associated view ,then i hava a position in the scene coordinates.I want to set the center of the viewport with the position.How can i do it? I try

Answer 1

You need to set the transformation anchor mode of the graphics view to NoAnchor.

setTransformationAnchor(QGraphicsView::NoAnchor);

This prevents the graphics view from undoing the translation as expected by the other anchor modes (AnchorViewCenter, AnchorUnderMouse).