[NTG-context] Re: How to improve appearance of bars in frac, sqrt, etc. on screens?

[Hans Hagen via ntg-context <ntg-context@ntg.nl>]

On 6/13/2024 10:04 PM, Otared Kavian wrote:
> Hi Ralph,
> 
> I don’t see any pixels in the PDF file when I typeset your code snipet 
> (on MacOS 11.7.10). Here is what I get.
No problems on windows on chrome-os either. Mikael S and I checked it on 
his linux box and one can indeed see anti aliasing when taking a screen 
dump (depends on resolution).

So it's a linux rendering issue when taking dumps. That said: we can't 
do anything about it. Using rules (traditional approach) is pretty bad 
in screen dumps and even regular rendering, depending on zoom; there one 
has interaction between the font rendering and other graphic elements 
(rules).

Btw, vertical extensibles are not different (take the bracket which has 
similar constructs). Interesting is that it is straight blob connections 
that can show these occasional gray pixels and it only seems to happen 
with a little overlap. Kind of a bug we think.

Hans

ps. One reason when I always use (x)ubuntu when i have to use a linux 
desktop is that it always was set up right wrt rendering fonts and anti 
aliasing. I might need to check that.

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