[NTG-context] When newsizing an external figure bei [width=<some pt>], what will be its height in pt and viceversa?

Rudolf Bahr quasi at quasi.de
Tue Feb 19 10:48:38 CET 2019

Hi All,

from an external figure I normally know its width and height in px. 
But I don't know its exact sizes in pt. When newsizing the figure 
in a document (by the same width-to-height-ratio), I'll do that as 
some part of textwidth or textheight, in pt or mm, but not in px, 
i.e. by means of [width=<some pt>]. 
Sometimes it would be interesting to know its new height in pt, 
and viceversa. 

Is there a variable or something else containing its new size in pt?


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