Re: [ROOT] printing postscript messages

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Jan 30 2003 - 19:28:26 MET


Hi Jeff,

you can set
  gErrorIgnoreLevel=1 (or higher) default=0)

This variable is in TError.h included by all Root includes.

Rene Brun

On Thu, 30 Jan 
2003, Jeff 
Hartnell wrote:

> Hi,
> I use the rather useful direct printing of a canvas to a postscript
> file by doing something like:
> {
>     TCanvas c1("c1");
>     h1.Draw();
>     c1.Print("c1.ps("); //write canvas and keep the ps file open
>     h2.Draw();
>     c1.Print("c1.ps"); canvas is added to "c1.ps"
>     h3.Draw();
>     c1.Print("c1.ps)"); canvas is added to "c1.ps" and ps file is
> closed
>  }
> 
> Often I may have hundreds of pages in the file. For every page I get a
> message about the canvas having been added to the postscript file, see
> below. Is there a way to turn off these messages if you know you are
> going to get swamped? Could it be made an option in Print() or
> something? It would be nice if it told you that it had opened the file
> and that it had closed the file but not that it had printed yet
> another page.
> 
> Many thanks,
> Jeff.
> 
> Info in <TCanvas::Print>: Current canvas added to PostScript file
> 9542-9589AdcVsPhNoErrors.ps
> Info in <TCanvas::Print>: Current canvas added to PostScript file
> 9542-9589AdcVsPh.ps
> Info in <TCanvas::Print>: Current canvas added to PostScript file
> 9542-9589AdcVsPhNoErrors.ps
> Info in <TCanvas::Print>: Current canvas added to PostScript file
> 9542-9589AdcVsPh.ps
> Info in <TCanvas::Print>: Current canvas added to PostScript file
> 9542-9589AdcVsPhNoErrors.ps
> Info in <TCanvas::Print>: Current canvas added to PostScript file
> 9542-9589AdcVsPh.ps
> Info in <TCanvas::Print>: Current canvas added to PostScript file
> 9542-9589AdcVsPhNoErrors.ps
> 



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