Saving multipad TCanvas in EPS and PDF

Here is the TCanvas saved as ROOT macro...

On 04/11/2011 05:36 PM, Vassili Maroussov wrote:
> Dear ROOTers,
>
> In quite a long macro I'm obtaining a TCanvas divided in 3x2 pads,
> each pad contains 3 histograms drawn. I was surprised to find that
> graphic file coincides with the TCanvas drawn on the screen only for
> PNG and GIF formats. For EPS and for PDF formats the result is
> similarly distorted: wrong line width a little bit different colors,
> etc. I'm observing the same behavior for ROOT versions from 5.26.00b
> through 5.28.00b, both in interactive and batch modes. I'm using (an
> outdated...) FC 12 x86_64.
>
> Is the problem described already known? Sorry for not providing a
> "minimal" macro example this time.
>
> Regards,
>
> Vassili
>
> P.S. What I'm surprised with even more: it seems I have no problems
> saving these histogram's "triads" drawn in single (not divided) TCanvas
>
> P.P.S. It seems JPEG contains much too much
> lossy-compression-artifacts as well, although at least the geometry
> is OK.