Thank you very much for your reply. Unfortunately, I don’t get this working. Also, I don’t find the documentation for flushbtxrendering.
\startbtxrenderingdefinitions[mybib]
\definebtx
[mybib]
[default=default,
specification=mybib]
\definebtxrendering
[mybib]
[specification=mybib,
numbering=yes]
\stopbtxrenderingdefinitions
\startsetups btx:mybib:list:link
\btxdoifelse {title} {\btxflush{title}:\space} {No Title}
\btxdoifelse {url} {\btxflush{url};\space} {}
\btxdoifelse {date} {abgerufen \btxflush{date}.} {}
\removeunwantedspaces
\stopsetups
\startsetups btx:mybib:list:imagelink
\btxdoifelse {url} {\btxflush{url};\space} {}
\btxdoifelse {date} {abgerufen \btxflush{date}.} {}
\removeunwantedspaces
\stopsetups
\startbuffer[maindata]
@link{herbariumathome,
title={Herbarium At Home: A Beginner's Guide},
url={https://youtu.be/2kEbCaTe8XM},
date={04.04.2024}},
@imagelink{zooniverse_logo,
url={https://www.sciencelearn.org.nz/images/3873-zooniverse-logo},
date={04.06.2024}}
\stopbuffer
% enable tracing
\enabletrackers[publications, publications.crossref, publications.details, publications.cite, publications.strings]
\definebtxdataset[main]
\usebtxdataset[main][maindata.buffer]
%\definebtxdataset[bilder]
%\usebtxdataset[bilder][imagedata.buffer]
\usebtxdefinitions[mybib, aps] % aps for stuff which isn’t a link or image
\setupbtx[dataset=main]
\definebtxrendering[bibrendering][mybib, aps][dataset=main]
\starttext
\cite[herbariumathome]
\cite[zooniverse_logo]
\section{Quellen: Bilder}
%\placelistofpublications[bibrendering]
\flushbtxrendering [bibrendering]
[method=dataset,
sorttype=index,
filter=match(category:imagelink)]
\section{Quellen: Webseiten}
\flushbtxrendering [bibrendering]
[method=dataset,
sorttype=index,
filter=match(category:link)]
\stoptext
I would very much appreciate more ideas.