Sanjoy Mahajan wrote:
>>> It would be nice if placefigure can be able to detect if the best
>>> place is the top or the bottom of the page accordingly to its call,
>>>
>
> A related point, which I didn't fiugre out how for my own TeX
> figure-placement macros, is correct sequential numbering when some
> figures are at the top of the page. Some pseudocode on one page:
>
> =============== snip ===================
> \ref{figure:narrow} is a narrow figure.
>
> \figuremacro{figure:narrow}{narrowfig.1}{A narrow figure.}
>
> \ref{figure:wide} is a wide figure.
>
> \figuremacro{figure:wide}{widefig.1}{A wide figure}
> =============== snip ===================
>
> Here \figuremacro figures out (sorry) that narrow figures go in the
> margin and wide figures go at the top of the page. But the page will
> look funny: The narrow figure will be numbered, say, Figure 10, and
> the wide figure will be Figure 11, but Figure 11 will appear before
> Figure 10 on the page. Which is disconcerting to the reader.
>
this 'choose between locations' feature is kind of present but only with
'here' as fallback but it's trivial to make that configurable:
% first a new key
\startconstants dutch english
german czech
italian romanian
french
fallback: terugval fallback
fallback fallback
fallback fallback
fallback
\stopconstants
% use that key
\long\def\dofloat#1#2#3#4%
{\dosetfloatbox{#1}{#2}{#3}{#4}%
\doifelsevaluenothing{\??fl#4\c!criterium}
{\dogetfloatbox{#1}\empty}
{\ifdim\wd\floatbox>\getvalue{\??fl#4\c!criterium}\relax
\postcenterfloatbox{\wd\floatbox}% else we get left aligned
%dogetfloatbox{#1}\v!here % see details/pascal
\dogetfloatbox{#1}{\executeifdefined{\??fl#4\c!fallback}\v!here}% PATCHED
\else
\dogetfloatbox{#1}\empty
\fi}}
% pass the new location (will be done differently, hack
\def\dogetfloatbox#1#2%
{\ifvisible
\doifelsenothing{#2}
{\getfromcommalist[#1][1]%
[EMAIL PROTECTED]:\to\floatmethod
[EMAIL PROTECTED] \commalistelement\at:\to\floatcolumn
[EMAIL PROTECTED] \floatcolumn\at*\to\floatrow
[EMAIL PROTECTED]
% todo: nog algemeen otr
\ifx\OTRSETsetpreferedcolumnslot\undefined\else
\OTRSETsetpreferedcolumnslot\floatcolumn\floatrow
\fi}
{\let\floatcolumn\empty
\let\floatrow\empty
\edef\floatmethod{#2}}%
\doifundefined{\string\floatmethod\floatmethod}
{\let\floatmethod\v!here}%
\getvalue{\string\floatmethod\floatmethod}[\floatmethod,#1]% PATCHED
\fi}
\setupfloats[numbering=nocheck]
% we use the marginwidth as criterium
\setupfloat[figure][criterium=\marginwidth,fallback=bottom]
\starttext
\placefigure[bottom]{}{} \input tufte
\placefigure[left]{}{} \input tufte
\placefigure[left]{}{\framed[width=.8\marginwidth]{}} \input tufte
\stoptext
(we needed that feature a couple of years ago in a project -)
Hans
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Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
| www.pragma-pod.nl
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