Re: png export width

[Hans Aikema]

On 2-1-2013 15:37, Eluze wrote:
> Kevin Patrick Barry wrote
> > Dear Eluze,
> >    I was able to produce the problem both on
> > Ubuntu 12.10 with LilyPond version 2.16.1 and on Windows 8, but only with
> > 2.16.0.  Upgrading LilyPond on Windows to 2.16.1 fixed the problem (this
> > must be why you could not reproduce it).
> >
> > Since there are no margins in the example I have to be careful to remove
> > elements that LilyPond normally places outside of the normal line-width
> > (brackets or bar numbers for example - LilyPond will place these off the
> > 4-inch page, but they will still appear in the .png, making it wider) but
> > there are no such elements in the following example that I can see.
> >
> > \version "2.16"
> >
> >
> > \paper {
> >
> > paper-width = 4\in
> >
> > left-margin = 0
> >
> > right-margin = 0
> >
> > }
> >
> >
> > \relative c' {
> >
> > c c c c c c c c c c c c c c c c
> >
> > }
> I still cannot reproduce this phenomenon - even with 2.16.0.
>
> did you try adding the line-width = 4\in ?
>
> how do you start lilypond? from a command line, from an editing tool, …?
>
> Eluze
>
>
>
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Eluze,
I can at least reproduce this using the supplied snippet and Lilypond 
2.16.0 on Windows 7 x64 (started by an ant-build-script from Netbeans 
which scans for files .ly files starting with a given base-name:

    <target name="singlePNG" depends="setSingleFileBaseName">
        <apply executable="${lilyExec}" dir="${working}">
            <arg value="-fpng" />
            <arg value="-dresolution=1200" />
            <arg value="-dbackend=eps" />
            <fileset dir="${src}" includes="**/${baseFile}.ly"/>
        </apply>
    </target>

In the front of the ant build-file
${src} is set to represent the root-folder of my project containing 
lilypond files
${working} is set to an output-folder in my project containing lilypond 
files
${lilyExec} is set to the lilypond.exe installed by Lilypond 
2.16.0-1.mingw.exe from the Lilypond.org archive

So in essence it's the same as saving the snippet as samplefile.ly and 
running
lilypond -fpng -dresolution=1200 -dbackend=eps samplefile.ly
from a command prompt

At first I thought it might be caused by the version-footer of lilypond 
being too wide, so I added
oddHeaderMarkup = ##f
to the paper specification given, but that still yields a 4817px wide PNG

regards,
Hans Aikema