On 12/7/2022 1:42 PM, Gavin via ntg-context wrote:
Hi List,
I solved my original problem 2, allowing me to reuse the same \hpos labels in
different equations without interference. I added an equation counter and set
up my custom math version of \hpos to use the count as part of the label
internally. I tried to do this with a regular ConTeXt counter, but had all
sorts of mysterious, wrong behavior. When I switched to using a Lua counter,
everything worked immediately. So, while there is nothing brilliant about this
solution, I’ll share it for anyone who might want to do something similar in
the future.
attached an example by Mikael ... it should work with tonights update
Hans
-----------------------------------------------------------------
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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\usemodule[article-basic]
\starttext
\startboxanchoring[+]
\connectboxanchors[top] [top] [distance=1ex] {c1}{c2}
\connectboxanchors[bottom] [bottom] [distance=1ex] {d1}{d2}
\startformula
\mathboxanchored[nucleus]{c1}{e}_{\alpha}
\mathboxanchored[nucleus]{c2}{e}^{\mu}
\mathboxanchored[nucleus]{d1}{todo}
\mathboxanchored[nucleus]{d2}{e}_{\dot{\beta}} = \frac{1}{\sqrt{2}}
\sigma_{\alpha,\dot{\beta}}^{\mu}
\stopformula
\stopboxanchoring
\startboxanchoring[+]
\connectboxanchors[top] [top] [distance=0.5ex,arrow=no] {c1}{c2}
\connectboxanchors[bottom] [bottom] [distance=0.5ex,arrow=no] {c2}{c3}
\startformula
\mathboxanchored[nucleus]{c1}{e}_{\alpha}
\mathboxanchored[nucleus]{c2}{e}^{\mu}
\mathboxanchored[nucleus]{c3}{e}_{\dot{\beta}} = \frac{1}{\sqrt{2}}
\sigma_{\alpha,\dot{\beta}}^{\mu}
\stopformula
\stopboxanchoring
\startboxanchoring[+]
\connectboxanchors[top] [top] [text={\smallinfofont upper limits}]{b1}{b2}
\connectboxanchors[bottom] [bottom] [text={\smallinfofont lower limits}]{a1}{a2}
\startformula
\int_{\mathboxanchored{a1}{0}}^{\mathboxanchored{b1}{1}} \frac{1}{1+x^2} \dd x
=
\int_{\mathboxanchored{a2}{0}}^{\pi\mathboxanchored{b2}{/}4} \frac{1}{1+\tan^2
t}(1+\tan^2 t)\dd t
\stopformula
\stopboxanchoring
\stoptext
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