Re: alpha test, horizontal spacing

2011-02-17 Thread Trevor Daniels

Hi Ralph

you wrote Wednesday, February 16, 2011 2:34 PM


On Sat, Feb 12, 2011 at 6:04 AM, Jan Warchoł 
lemniskata.bernoulli...@gmail.com wrote:



I think i have an idea how to explain this bug.
I suppose it happens because LilyPond is not aware that the dot 
is in

voiceTwo context (and therefore lower than usual).
compile this:

{ g'4.*1/32 d''!32 g'4.*1/32 e''!32 }
{ \voiceTwo g'4.*1/32 \voiceOne d''!32 \voiceTwo g'4.*1/32 
\voiceOne e''!32

}

In the upper line, the first accidental (on d'') is too low to 
move
left (it would collide with the dot). The second accidental (on 
e'')

is high enough to be moved over dot. Everything fine here.
Now in the second line the music is the same except that dotted 
notes
are in lower voice. This makes the dots move down, they are a 
whole
staffspace lower. However, Lily fails to notice that, and 
engraves the

naturals exactly like in the upper line.


What's the status of this? I cannot find an issue on the tracker. 
Did I miss

something?


A tracker entry should be made using the example and description
that Jan provided above.  I'd rate it low.

Trevor





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Re: alpha test, horizontal spacing

2011-02-16 Thread Ralph Palmer
On Sat, Feb 12, 2011 at 6:04 AM, Jan Warchoł 
lemniskata.bernoulli...@gmail.com wrote:

 2011/2/12 Trevor Daniels t.dani...@treda.co.uk:
 
  Jan Warchoł wrote Saturday, February 12, 2011 9:25 AM
 
  I agree too, but in my opinion it's a less important problem than the
  one marked in red in the attachment. (However, it was present in
  2.12.3 too).
  The natural on c is perhaps moved because of the dot on f, but i don't
  think it should be moved this way.
 
  Agreed.  Although two almost identical situations are typeset correctly
  in the same example, with the accidental sliding neatly over the dot.
 
  This must be a bug, so copying to Bug list for bug squad to process.

 I think i have an idea how to explain this bug.
 I suppose it happens because LilyPond is not aware that the dot is in
 voiceTwo context (and therefore lower than usual).
 compile this:

 { g'4.*1/32 d''!32 g'4.*1/32 e''!32 }
 { \voiceTwo g'4.*1/32 \voiceOne d''!32 \voiceTwo g'4.*1/32 \voiceOne e''!32
 }

 In the upper line, the first accidental (on d'') is too low to move
 left (it would collide with the dot). The second accidental (on e'')
 is high enough to be moved over dot. Everything fine here.
 Now in the second line the music is the same except that dotted notes
 are in lower voice. This makes the dots move down, they are a whole
 staffspace lower. However, Lily fails to notice that, and engraves the
 naturals exactly like in the upper line.

 cheers,
 Janek

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What's the status of this? I cannot find an issue on the tracker. Did I miss
something?

Ralph
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Re: alpha test, horizontal spacing

2011-02-12 Thread Jan Warchoł
2011/2/10 Trevor Daniels t.dani...@treda.co.uk:

 Keith OHara wrote Thursday, February 10, 2011 3:19 AM
 It is looking better now in 2.13.49.
 This two-bar example contains several difficult music-engraving issues,
 especially if I include the enharmonic spellings and key cancellation from
 the original edition.  I think the release candidate does a decent job.

 Yes, although I dislike the excessive overlap of the ledger line and note
 with the bar line at the end of the first bar.
 2.12 was better in that respect.

I agree too, but in my opinion it's a less important problem than the
one marked in red in the attachment. (However, it was present in
2.12.3 too).
The natural on c is perhaps moved because of the dot on f, but i don't
think it should be moved this way.

cheers,
Janek
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Re: alpha test, horizontal spacing

2011-02-12 Thread Trevor Daniels


Jan Warchoł wrote Saturday, February 12, 2011 9:25 AM


I agree too, but in my opinion it's a less important problem than 
the

one marked in red in the attachment. (However, it was present in
2.12.3 too).
The natural on c is perhaps moved because of the dot on f, but i 
don't

think it should be moved this way.


Agreed.  Although two almost identical situations are typeset 
correctly
in the same example, with the accidental sliding neatly over the 
dot.


This must be a bug, so copying to Bug list for bug squad to process.

Trevor
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Re: alpha test, horizontal spacing

2011-02-12 Thread Jan Warchoł
2011/2/12 Trevor Daniels t.dani...@treda.co.uk:

 Jan Warchoł wrote Saturday, February 12, 2011 9:25 AM

 I agree too, but in my opinion it's a less important problem than the
 one marked in red in the attachment. (However, it was present in
 2.12.3 too).
 The natural on c is perhaps moved because of the dot on f, but i don't
 think it should be moved this way.

 Agreed.  Although two almost identical situations are typeset correctly
 in the same example, with the accidental sliding neatly over the dot.

 This must be a bug, so copying to Bug list for bug squad to process.

I think i have an idea how to explain this bug.
I suppose it happens because LilyPond is not aware that the dot is in
voiceTwo context (and therefore lower than usual).
compile this:

{ g'4.*1/32 d''!32 g'4.*1/32 e''!32 }
{ \voiceTwo g'4.*1/32 \voiceOne d''!32 \voiceTwo g'4.*1/32 \voiceOne e''!32 }

In the upper line, the first accidental (on d'') is too low to move
left (it would collide with the dot). The second accidental (on e'')
is high enough to be moved over dot. Everything fine here.
Now in the second line the music is the same except that dotted notes
are in lower voice. This makes the dots move down, they are a whole
staffspace lower. However, Lily fails to notice that, and engraves the
naturals exactly like in the upper line.

cheers,
Janek

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Re: alpha test, horizontal spacing

2011-02-10 Thread Trevor Daniels


Keith OHara wrote Thursday, February 10, 2011 3:19 AM



On Mon, 27 Sep 2010 21:30:03 +0100 Gerard McConnell wrote:
On Mon, Sep 27, 2010 at 7:56 PM, Keith E OHara 
k-ohara5...@oco.net wrote:


So I favor less aggressive tucking of noteheads under other 
noteheads and
their attached accidentals, if that is an option. Other 
opinions?


I agree that in the examples you gave the accidentals look a lot 
better in

the 2.12 versions.


It is looking better now in 2.13.49.
This two-bar example contains several difficult music-engraving 
issues, especially if I include the enharmonic spellings and key 
cancellation from the original edition.  I think the release 
candidate does a decent job.


Yes, although I dislike the excessive overlap of the ledger line and 
note with the bar line at the end of the first bar.

2.12 was better in that respect.

Trevor



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RE: alpha test, horizontal spacing

2011-02-10 Thread James Lowe
-Original Message-
From: lilypond-user-bounces+james.lowe=datacore@gnu.org 
[mailto:lilypond-user-bounces+james.lowe=datacore@gnu.org] On Behalf Of 
Trevor Daniels
Sent: 10 February 2011 09:37
To: lilypond-user@gnu.org; Keith OHara
Subject: Re: alpha test, horizontal spacing


Keith OHara wrote Thursday, February 10, 2011 3:19 AM

 It is looking better now in 2.13.49.
 This two-bar example contains several difficult music-engraving 
 issues, especially if I include the enharmonic spellings and key 
 cancellation from the original edition.  I think the release candidate 
 does a decent job.

 Yes, although I dislike the excessive overlap of the ledger line and note 
 with the bar line at the end of the first bar.
 2.12 was better in that respect.

I agree with Trevor.

James


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Re: alpha test, horizontal spacing

2011-02-10 Thread Keith OHara

On Thu, 10 Feb 2011 01:36:45 -0800, Trevor Daniels t.dani...@treda.co.uk 
wrote:


Keith OHara wrote Thursday, February 10, 2011 3:19 AM


It is looking better now in 2.13.49.
This two-bar example contains several difficult music-engraving
issues, especially if I include the enharmonic spellings and key
cancellation from the original edition.  I think the release
candidate does a decent job.


Yes, although I dislike the excessive overlap of the ledger line and
note with the bar line at the end of the first bar.
2.12 was better in that respect.



That overlap (seen only with tight spacing) bothers me as well.

The re-fix to lyrics spacing under melismata put the clearance over bar lines 
/almost/ back to what it was in 2.12.3, but one regtest with lyrics passing 
close to a bar line broke if I increased the clearance any more (without doing 
extreme things to lyrics).

This is noted as part of issue 1229. I hope we can just increase the clearance 
around all things in 'non-musical' columns.  We would need to adjust a couple 
reg tests to accommodate this, but still test what we really care about.
-Keith


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Re: alpha test, horizontal spacing

2011-02-09 Thread Keith OHara

On Mon, 27 Sep 2010 21:30:03 +0100 Gerard McConnell wrote:

On Mon, Sep 27, 2010 at 7:56 PM, Keith E OHara k-ohara5...@oco.net wrote:


So I favor less aggressive tucking of noteheads under other noteheads and
their attached accidentals, if that is an option. Other opinions?



I agree that in the examples you gave the accidentals look a lot better in
the 2.12 versions.



It is looking better now in 2.13.49.
This two-bar example contains several difficult music-engraving issues, 
especially if I include the enharmonic spellings and key cancellation from the 
original edition.  I think the release candidate does a decent job.
-Keithattachment: C12_3.pngattachment: C13_40.pngattachment: C13_49.png

C.ly
Description: Binary data
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Re: alpha test, horizontal spacing

2010-09-27 Thread Gerard McConnell
I agree that in the examples you gave the accidentals look a lot better in
the 2.12 versions.

On Mon, Sep 27, 2010 at 7:56 PM, Keith E OHara k-ohara5...@oco.net wrote:

 In First impressions of alpha test I wrote:

 On Fri, 24 Sep 2010 10:41:24 -0700, Joe Neeman joenee...@gmail.com
 wrote:


 Do you consider this desirable?


 Personally, I have a neutral opinion on the aggressive tucking.


 Well, opinions change over time. It is a subtle thing, but I think the old
 naive spacing around accidentals makes an easier-to-read page.  Here are two
 dense measures of Debussy that are a little difficult to space.

 Moving the notes over the clef-change is a good thing, of course.

 The stem-accidental collisions do not occur unless the beam crosses staffs,
 even if it is kneed, so they might be considered part of the cross-staff
 issues.  The spacing of the first three 16ths is probably a cross-staff
 artifact as well.  However, stems of cross-staff beams will always be
 special cases in collision resolution, so they can cross a long hairpin
 crescendo for example.  So I suggest that keeping accidentals clear of other
 note columns might be wisest.

 More simply, in the last three 16th notes (demisemiquavers) in the first
 measure, I want the accidental to give me a bit of extra space for
 readability.  I was able to create a small example showing a case where
 notes with an accidental in between were actually spaced closer together. (I
 imagined the new spacing engine getting a little too excited: can I fit
 under the neighboring accidental?  Yes!  Oh boy lets slide these
 together!!)

 So I favor less aggressive tucking of noteheads under other noteheads and
 their attached accidentals, if that is an option. Other opinions?
 --
 Keith
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