[NTG-context] typesetting a formula as a figure

Idris Samawi Hamid ishamid at colostate.edu
Sat Nov 24 16:46:31 CET 2007


Dear Dalyoung,

On Fri, 23 Nov 2007 22:56:30 -0700, Jeong Dalyoung <haksan at mac.com> wrote:

> Dear Idris,
>
> I have used buffers and \plcadefigures to display formula and figure
> together. Here is my short sample file.
>
> \startbuffer[one]
> \startformula \startmatrix
> \NC \NC e_1 \NC e_2 \NC e_3 \NC e_5 \NC e_5 \NR
> \NC  	u \NC 0 \NC 1 \NC 1 \NC 0 \NC 1 \NR
> \NC  v \NC 1 \NC 0 \NC 1 \NC 0 \NC 0 \NR
> \NC	w \NC 1 \NC 1 \NC 0 \NC 1 \NC 0 \NR
> \NC	x \NC 0 \NC 0 \NC 1 \NC 0 \NC 1 \NR
> \NC	y \NC 1 \NC 0 \NC 0 \NC 1 \NC 0 \NR
> \stopmatrix \stopformula
> \stopbuffer
>
> \starttext
>
> \placefigure[here][fig:test]{Test of buffers}
> {\startcombination[2*2]
> {\externalfigure[7starmagic1][width=.25\makeupwidth]}{G}
> {\externalfigure[one.tmp]}{AA}
> {\externalfigure[one.tmp]}{BB}
> {\externalfigure[one.tmp]}{CC}
> \stopcombination}
>
> \stoptext
>
> Then, I got a strange output(fig 1: wide blank spaces between
> columns). If I use \getbuffer instead of \externalfigure, I got
> somewhat proper output(fig 2), but the figure is located much higher
> than the matrix(horizontal alignment is bad).
>
> What is wrong in my sample? Is there any option for \startcombination?

\start-stopformula are for math display mode ($$-$$). Apparently having  
display mode turned on within the buffer creates the extra space. Since  
you are using combinations for your display there is no need for display  
mode. The following works here:

===============
\startbuffer[one]
%\startformula
\startmatrix
\NC \NC e_1 \NC e_2 \NC e_3 \NC e_5 \NC e_5 \NR
\NC  	u \NC 0 \NC 1 \NC 1 \NC 0 \NC 1 \NR
\NC  v \NC 1 \NC 0 \NC 1 \NC 0 \NC 0 \NR
\NC	w \NC 1 \NC 1 \NC 0 \NC 1 \NC 0 \NR
\NC	x \NC 0 \NC 0 \NC 1 \NC 0 \NC 1 \NR
\NC	y \NC 1 \NC 0 \NC 0 \NC 1 \NC 0 \NR
\stopmatrix
%\stopformula
\stopbuffer

\starttext

\setupcombinations[distance=2cm]

\placefigure[here][fig:test]{Test of buffers}
{\startcombination[2*2]
% {\externalfigure[7starmagic1][width=.25\makeupwidth]}{G}
{\externalfigure[one.tmp]}{AA}
{\externalfigure[one.tmp]}{BB}
{\externalfigure[one.tmp]}{CC}
{\externalfigure[one.tmp]}{DD}
\stopcombination}

\stoptext
===============

Notice the \setupcombinations[distance=2cm] !

Best
Idris

-- 
Professor Idris Samawi Hamid, Editor-in-Chief
International Journal of Shi`i Studies
Department of Philosophy
Colorado State University
Fort Collins, CO 80523

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