Don--,

it's great, when you find some time for improvements. From the point of
view of the testsuite, I would be most interested in dealing with the
quarter grace notes in the 3rd bar. Concerning stem length of sixteenth
notes and slurs I find Liliyponds dimensions nicer.

--Dieter



Am 05.12.2020 um 17:58 schrieb dsim...@roadrunner.com:

Dieter—

Speaking of more relevant problems, I noticed one in this example: It
seems that PMX cannot do the after-grace on the last note of bar 2.
But that could be even more tricky to fix.

I also thought it would be interesting to directly compare the layout
PMX produces vs the one from Lilypond.

Lilypond, then PMX at 16 pt:

Several things I notice:

 1. On the double-beamed graces, PMX’s stem could be shorter. I’ve
    noticed all along that the MusiXTeX default stem length on
    multiply beamed notes is longer than I would prefer. I think it
    just builds outward from the single-beam height. For non-grace
    notes you can change the beam height case-by-case, but I doubt
    it’s currently possible with graces in PMX.
 2. PMX has a noticeably wider blank space at the end of each bar.
 3. PMX’s grace note bodies are all a bit closer to the main note than
    Lilypond’s. But on single graces, Lilypond’s flag drops lower than
    MusixTeX’s.
 4. PMX’s slurs end before crossing the main stem; Lilypond’s cross it.

I’m open to comments and possible code revisions on any of this.

--Don

*From:* TeX-Music <tex-music-bounces+dsimons=roadrunner....@tug.org>
*On Behalf Of *Dieter
*Sent:* Saturday, December 5, 2020 2:25 AM
*To:* tex-music@tug.org
*Subject:* Re: [Tex-music] PMX grace note problem

Hi Don--

Of course you are perfectly right, not spending days on this problem,
just in order to satisfy the testsuite.

I might encounter other problems in the testsuite, which are more
relevant.

--Dieter

Am 05.12.2020 um 02:28 schrieb dsim...@roadrunner.com
<mailto:dsim...@roadrunner.com>:

    In light of my recent problems posting to ICK, I’m curious to see
    if this goes through.

    The only PMX problem here occurs with a 2-note, unbeamed grace.
    It’s true that PMX chokes on this, and its also true that with
    some effort I could modify the code to make it work. But really??
    Is there any composer in the history of the world who has ever
    called for multiple unbeamed grace notes on a single note??

    --Don

    *From:* TeX-Music
    <tex-music-bounces+dsimons=roadrunner....@tug.org>
    <mailto:tex-music-bounces+dsimons=roadrunner....@tug.org> *On
    Behalf Of *Dieter
    *Sent:* Friday, December 4, 2020 8:00 AM
    *To:* Werner Icking Music Archive <tex-music@tug.org>
    <mailto:tex-music@tug.org>
    *Subject:* [Tex-music] PMX grace note problem

    I am checking XML2PMX with the the inofficial testsuite for
    MusicXML of Lilypond.

    This is one of the tasks.

    XML2PMX does not yet solve the problem. And when I try to model it
    directly in PMX:

    ======================================================================

    ---
    %\input musixlyr
    %\special{papersize=297mm,420mm}%
    ---
    %|
    %<?xmlversion="1.0"encoding="UTF-8"?>
    
%<!DOCTYPEscore-partwisePUBLIC"-//Recordare//DTDMusicXML1.0Partwise//EN""http://www.musicxml.org/dtds/partwise.dtd";
    <http://www.musicxml.org/dtds/partwise.dtd>>
    %
    %
    %
    %
    %Part P1 :
    %
    %
    % nv, -noinst, nostaves per instrument
     1 -1 1
    % mtrnuml,mtrdenl,mtrnmp,mtrdnp,xmtrnum0,isig
     4 4 0 6 0 0
    %
    % npages,nsyst,musicsize,fracindent
     0 5 16 0.07

    t
    ./
    Tt

    Tc

    Abepl
    %%w277m
    %%h390m

    % ( 1| 1| 1) 1
     G1m2d5 c45 G2m2e5 d5 c45 G1m2d5 c45 G1m1d5 c45 /
    % ( 1| 1| 1) 2
     G1m2sxd5 c45 G2m2e5 d5 c25 [ G1m2sxd5  c85 G1m2sxd5 c85 ] /
    % ( 1| 1| 1) 3
     G1m2e5 c45 zf4 G1m0d5s c45 G2m0d5f a4f c45 c45 /
    ===========================================================

    I run into

    Regards, Dieter

    P.S. the first two lines come out properly.



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--
____________________________________
Dr. Dieter Glötzel
Im Rosengarten 27
64367 Mühltal
Tel.: 06151 / 360 82 72

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____________________________________
Dr. Dieter Glötzel
Im Rosengarten 27
64367 Mühltal
Tel.: 06151 / 360 82 72

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