AVMs in type hierarchies are not at the top formal background.tex

[stefan11]

Using anchor=north does not help, since then individual type are put as much up as possible and case would be higher than other types:

[stefan11]

This is related to #93.

[stefan11]

Hi @sasozivanovic and @kopeckyf, I added Saso to this project since I finally understood that he was right. We have to find a way to align avms at the top. I always thought that using align=north to get an alignment of the AVMs in trees since this worked for the cases I looked at. But now I have a case with mixes of simple words and AVMs and if some of the words have high letters like "l" in "boolean" and others do not ("case") then the alignment breaks down. So would there be a way to shift the AVMs to the top? Maybe some option to \avm? I think Saso hat some proposal.

Thanks!

[sasozivanovic]

Hi all!

Stefan Müller je 26. 02. 21 ob 10:39 napisal:

Hi @sasozivanovic https://github.com/sasozivanovic and @kopeckyf https://github.com/kopeckyf, I added Saso to this project since I finally understood that he was right. We have to find a way to align avms at the top. I always thought that using align=north to get an alignment of the AVMs in trees since this worked for the cases I looked at. But now I have a case with mixes of simple words and AVMs and if some of the words have high letters like "l" in "boolean" and others do not ("case") then the alignment breaks down. So would there be a way to shift the AVMs to the top? Maybe some option to |\avm|? I think Saso hat some proposal. Yes, it should be in some pull request. Best, Sašo

Thanks!

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[kopeckyf]

Hi,

I can't replicate the behaviour. For me, everything is fine:

\documentclass[tikz]{standalone}
\usepackage[linguistics]{forest}
\usepackage{langsci-avm}
\begin{document}
    \begin{forest} for tree = {font=\itshape, anchor=north}
        [object
            [\avm{[\type*{substantive}
                   prd & boolean]}
               [\avm{[\type*{verb}
                      vform & vform\\
                      prd   & plus]}
               ]   
               [\avm{[\type*{noun}
                      case & case]}
               ]
            ]
            [case]
            [vform]
            [boolean [plus] [minus] ]
        ]
    \end{forest}
\end{document}

[kopeckyf]

@sasozivanovic 's proposal for top-alignment of AVMs had implications for runtime, which I think are too big a drawback.

[sasozivanovic]

Felix Kopecky je 26. 02. 21 ob 12:14 napisal:

@sasozivanovic https://github.com/sasozivanovic 's proposal for top-alignment of AVMs had implications for runtime, which I think are too big a drawback. I know what you mean: for top-alignment, the AVM is typeset twice. But I don't see how this is a drawback, as the double-typesetting does not apply to center alignment. In other words, it only affects the situation which is currently not addressed.

Of course, I would prefer a single-typesetting solution for top-alignment as well, but I couldn't think of a way to do it, back then. Maybe there's a way, I don't know.

Best, Sašo

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[kopeckyf]

As I currently understand the situation, anchor=north solves the issue reported here (see my example above). Besides not needing to construct the box twice, it also seems easier to just write for tree = {anchor=north} than any user input I could imagine that uses \avmsetup{}.