Hello
Can you try two ROOT macros from $ROOTSYS/tutorials
.x hsimple.C
.x ntuple1.C
in this order to see whether they do what you want
Hope this helps,
Valeri
> Hello,
>
> I am a brand new user of ROOT that would like to use it for graphing 4
> dimensions. First off, let me explain what I would like to do and then someone
> can tell me:
>
> 1. Is it possible?
> 2. If yes to (1), then how would I go about doing it?
>
> I have data in an ASCII format consisting of 4 columns. The first 2 columns,
> call them index1 and index2 (look at these two as making up the x and y axes)
> are indices for both the 3rd. and 4th. columns. The 3rd. column represents
> "test" data and the 4th. column represents what I would call "golden" data.
> What I would like to be able to do is to "color code" the 3D surface represented
> by column 3 to correspond with the delta it has with the "golden" data in column
> 4. The greater the delta, the more the color changes.
>
> Thank you very much in advance for your help. I really like the concept that
> ROOT is using and would love to be able to use it for the case I've mentioned
> above.
>
> With Best Regards,
>
> - Brendan
>
> --
> ----------------------------------------------------------
> Brendan Rankin
> Senior Applications Consultant (408)396-7176 (Cell)
> Silicon Metrics Corporation (408)965-5331 (Work)
> Email: brendan.rankin@siliconmetrics.com
> ----------------------------------------------------------
>
>
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