Re: User to NDC coordinates

No, we do not have such functions, but the conversion is easy

    double u = (x-gPad->GetX1())/(gpad->GetX2()-gPad->GetX1()); where

    x is your user coordinate
    u will be the corresponding NDC coordinate

Rene Brun

On Fri, 20
May 2005 margar_at_atlas.yerphi.am wrote:

> Dear ROOTers
>
> is there any easy way to change from user coordinate system
> to NDC system. In TPad there are functions for for user to pixel and NDC
> to pixel conversion, but I didn't find the required one.
>
> Best regards,
> Margar
>
Received on Fri May 20 2005 - 10:40:30 MEST