[NTG-context] Why are some images rendered very tiny?

Henning Hraban Ramm texml at fiee.net
Wed Jun 15 18:33:21 CEST 2022


Am 15.06.22 um 18:11 schrieb Joel via ntg-context:
> I wrote this macro to display images in my book. It should place the 
> image to the left, filling ~50% of \textwidth, then the caption is to 
> the right.
> 
> \setupcaption[location=right, minwidth=.5\textwidth]
> \define[4]\figureis{%
>      \placefigure{#2, Courtesy #3, photo no. 
> #1\nocite[#4]{}}{\externalfigure[#1][maxheight=.7\paperheight, 
> maxwidth=.5\paperwidth, minwidth=.5\paperwidth]}
> }
> 
> #1 = filename, other variables are used for reference/credit details.
> 
> The problem is, somehow some images are inexplicably displayed very tiny 
> on the page. I check the image file and they are not small, but somehow 
> is rendered small with the code above.
> 
> What is wrong in my code?

There are no parameters "minwidth" or "minheight", see 
https://wiki.contextgarden.net/Command/setupexternalfigure

It’s probable that your pictures have a high resolution (dpi) defined, 
so ConTeXt displays them according to that in their “natural” size.

Hraban


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