[NTG-context] Resetting image width

[Wolfgang Schuster]

Henning Hraban Ramm schrieb am 06.07.2020 um 21:03:
> Hi,
> for collecting a lot of images into a booklet I set
>
> \setupexternalfigures[width=\textwidth,maxheight=\textheight]
>
> but would like to have some single images defined by height and proportional width, like
>
> \externalfigure[dummy][width=auto,height=.5\textheight]
>
> but height and width only take dimensions.
>
> Can you give me a hint?

No argument is also valid.

\externalfigure[dummy][width=,height=.5\textheight]

Wolfgang