I would like to select object..
I would like to select the following.
When I call dialog and i select button,
I select face of object. and Immediately, i would like to display the result(normal vector of face) information immetedly.
but In open cascade, The object have to select previosly.
I would like to display the result to select immediately(interactively) without select object previously
How do i ?
Thanks in advanced..