Re: [ROOT] Problem with tutorials

From: Jiri Masik (masik@pc203b.fzu.cz)
Date: Mon May 21 2001 - 10:39:55 MEST


cstrato@EUnet.at writes:

> On my PowerBook running LinuxPPC 2000, I have just installed root
> 3.01/02.
> 
> When testing the tutorials I found the following problems:
> 
> 1, Running Event, I get:
> [christian@book test]$ ./Event
> ./Event: error in loading shared libraries:
> ./Event: undefined symbol: Class__5Track
> 
> 2, Running .x tree4.C, I get:
>  event_not_split =
>  *** Break *** segmentation violation
> 
> 3, Running .x principal.C, I get:
> root [0] .x principal.C
> *************************************************
> *         Principal Component Analysis          *
> *                                               *
> *  Number of variables:             10          *
> *  Number of data points:            10000      *
> *  Number of dependent variables:    3          *
> *                                               *
> *************************************************
> Error in <TPrincipal::MakeEigenVectors>: too many iterations
> 
>  Variable #  | Mean Value |   Sigma    | Eigenvalue
> -------------+------------+------------+------------
>            1 |      4.998 |      1.002 |        nan
>            2 |      8.022 |      2.816 |        nan
>            3 |      1.992 |      1.987 |        nan
>            4 |      5.008 |     0.9893 |        nan
>            5 |      8.045 |      2.811 |        nan
>            6 |      2.019 |      2.049 |        nan
>            7 |       4.99 |      1.008 |        nan
>            8 |  1.751e+05 |  1.013e+05 |        nan
>            9 |        nan |        nan |        nan
>           10 |  1.401e+05 |  8.108e+04 |        nan
> 
> <TCanvas::MakeDefCanvas>: created default TCanvas with name c1
> Writing on file "pca.C" ... done
> root [1] Error in <RootX11ErrorHandler>: BadValue (integer parameter out
> of range for operation) (XID: 0)
> Error in <RootX11ErrorHandler>: BadDrawable (invalid Pixmap or Window
> parameter) (XID: 54526624)
> 
> Is this Mac-specific or a general problem?
> 
> Thank you in advance for your help.
> 
> Best regards
> Christian
> ----------------------------------
> C.h.r.i.s.t.i.a.n  S.t.r.a.t.o.w.a
> V.i.e.n.n.a,  A.u.s.t.r.i.a

Hi,

I'm running Root(latest CVS) on a similar box - Powerbook with
Debian/sid (libc-2.2.2, g++ 2.95.4). Examples 1-2 work fine, I see the
same problem with principal.C (apart from the X messages).

        Jiri



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