Bar line doubles on deletion

turion

• May 11, 2012 - 13:15

Type

Functional

Severity

S4 - Minor

Status

closed

Project

MuseScore

I can't remember exactly how I ended up with this situation, but here is roughly what happened:
Between bars 8 and 9 of my piece for piano and baritone, I added a bass clef and a time signature. When I looked at it later, it turned out that the bar line of the piano (which I hadn't touched) between these bars appeared to be a double bar line: Fragments of a broken Mirror - Als ich ein Vogel war-1.png
I thought that this might be a mistake on my side and tried to delete it. But this didn't work: Instead, if I press on delete, it doubles even further:
It is probably possible to repeat this process infinitely. Very strange bug.

Attachment	Size
Fragments of a broken Mirror - Als ich ein Vogel war-1.png	7.71 KB
Fragments of a broken Mirror - Als ich ein Vogel war-2.png	8.25 KB

Comments

turion

• May 11, 2012 - 13:46

The problem is found in line 1017:
<tick>12000</tick> If one removes this line, everything looks perfect. The bug seems to be that under some circumstances, MuseScore adds a "tick" tag to a "Clef" tag inside a "Measure" tag. This shouldn't happen. I believe there should only be a "tick" attribute for "Clef" tags inside a "cleflist" tag at the beginning of the file.

Maybe it's a good idea to add a debug assertion to the devel version that makes sure that "Clef" tags don't get "tick" tags inside measures?

(Anyway, I find it inconsistent that clefs are being declared at different parts of the XML file...)

Attachment	Size
Fragments of a broken Mirror - Als ich ein Vogel war.mscx	51.35 KB

Jojo-Schmitz

• May 11, 2012 - 14:35

Looks like the score got corrupted somehow. See if the attached works for you

Edit: oh, just saw that you found the problem...

Attachment	Size
Fragments of a broken Mirror - Als ich ein Vogel war.mscz	3.48 KB

chen lung

• May 11, 2012 - 18:03

What version are you using?

chen lung

• May 14, 2012 - 02:57

I just realised, I think I had the same problem once! At the time, I may have been using MuseScore 2.0 Nightly Build (5326 - possibly) - Mac 10.6.8.

I think I was applying 'Delete Select Measures' and suddenly, a double bar line appeared on some (not all) instruments. I was struggling to reproduce, but I'm glad I'm not alone and it can hopefully be fixed.

See attached score and PDF - the latter created using MuseScore 2.0 Nightly Build (5626) - Mac 10.7.4.