Re: Landscape output displays sideways

[Jean Abou Samra]

Le vendredi 17 février 2023 à 12:54 -0500, tim@risingdove.com a écrit :

On 17 Feb 2023 at 18:03, Jean Abou Samra wrote:

Le vendredi 17 février 2023 à 11:47 -0500, tim@risingdove.com a écrit :
After some more investigation, it seems that my problem is not with
Frescobaldi, but with Lilypond 2.24.1.
The way you start your message, it sounds like you have already told the list about a
problem, but I didn't receive anything?

I thought that I had posted before, but I was having some trouble getting mail to this list.

My composition includes this block:
\paper {
  #(set-paper-size "letter" 'landscape)
}
The output is in landscape format, but it's displayed sideways. That is,
the 8.5x11 page is displayed in portrait format, even though the music in
it is in landscape. Apparently something is not being set properly in the
PDF file to get it to rotate the page. It's always worked fine before, the
output is landscape and is displayed properly.
This sideways display appears both in Frescobaldi and in a separate PDF
reader, so the problem must be in the PDF.

Are you sure that it worked differently before?

It has certainly worked properly in the past. I may have missed the exact version that started messing up, but it's difficult to believe that nobody noticed it. I'm looking at a composition is version 2.18.2 that displays properly in landscape.

I suspect it was this bug fix:

https://gitlab.com/lilypond/lilypond/-/issues/5126

For me,

There is a big difference with

\paper {
   #(set-paper-size "letterlandscape")
}

!! That makes it work! I don't get it, it seems to me that the "letter" 'landscape is misbehaving. But, good enough, I'll use "letterlandscape" from now on. Thanks!

No, it's not misbehaving, the difference is intentional and documented.

I have another question. I get five of these messages:

warning: MIDI channel wrapped around
warning: remapping modulo 16

I am-generating a MIDI file, but the only line in the source file talking about MIDI is

  \midi {
    \tempo 2=100
  }

in the score block. What's going on.

You cannot have more than 16 channels in a MIDI file, it's a limitation of the MIDI format. Maybe you have more than 16 staves?

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