hpcwire.com hpcwire.com

CCRT Boosts Industrial Innovation with Petascale Supercomputer from Bull

PARIS, France, Feb. 4 — Following a tender bid, the French Alternative Energies and Atomic Energy Commission, CEA, and its industrial partners at the Centre for Computing Research and Technology, CCRT, have invested in a new petaflop supercomputer of ~1.4 Pflops, designed by Bull, the Atos brand for technology products and software. Three times more powerful than the current computer at CCRT, it will be installed in the CEA’s...

qtcentre.org qtcentre.org

Zoom in a QgraphicsView using pushbutton

I'm building a very simple image editor on Qt creator.I have my image displayed on a QGraphicsView and i want to give the user the ability to zoom in and out by a pushbutton. I've searched a lot and found how to zoom in and out through the mouse wheel.As i am very new to Qt i can't adjust it to the pushbutton because i don't understand everything clearly. I' ve tried this(without understanding completely what i'm doing)but the result...