Mael Hilléreau wrote:

>    Hi,
> 
>    I would like to know why LyX adds a '-t letter' option to dvips
> command when converting from DVI to PostScript and if there's a way to
> avoïd that.
> 
> This is a problem for me since it has the undesirable effect of changing
> paper orientation from landscape to portrait in the PostScript file.
> 
> Note that this option is added even if not it is not present in the
> 'Preferences>Converters>DVI -> PostScript' dialog.
> 
> Thanks in advance,
> 
> Mael.
> 

It appears that there's a LyXRC variable "print_landscape_flag" which
defaults to
   print_landscape_flag = "-t landscape";

You can reset it to something else from the Outputs->Printer pane (Qt
frontend) of the Edit->Preferences dialog. (See the "Landscape:" field.)

string const Converters::dvips_options(Buffer const * buffer)
{
    string result;
    ...

    if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE
        && buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM)
        result += ' ' + lyxrc.print_landscape_flag;
    return result;
}

-- 
Angus

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