> > are visible with either rotation angle. > > > > Myself see no reason for a new class. > > > > May be one should contribute a new method (approach) > > Hi Rootters, What really needs to be added to TView's methods is the following: //______________________________________________________________________________ void TView::NDCtoWC(Float_t* pn, Float_t* pw) { //*-*-*-*-*-*-*Transfer point from normalized to world coordinates*-*-*-*-* //*-* =================================================== * //*-* * //*-* Input: PN(3) - point in world coordinate system * //*-* PW(3) - point in normalized coordinate system * //*-* * //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* pw[0] = fTback[0]*pn[0] + fTback[1]*pn[1] + fTback[2]*pn[2] + fTback[3]; pw[1] = fTback[4]*pn[0] + fTback[5]*pn[1] + fTback[6]*pn[2] + fTback[7]; pw[2] = fTback[8]*pn[0] + fTback[9]*pn[1] + fTback[10]*pn[2] + fTback[11]; } Sometimes it is needed regards, Dmitri Litvintsev
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