POV-Ray : Newsgroups : povray.off-topic : Font metrics Server Time
5 Sep 2024 03:19:41 EDT (-0400)
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From: clipka
Subject: Re: Font metrics
Date: 3 Nov 2009 18:44:25
Message: <4af0c059$1@news.povray.org>
Warp schrieb:

>   (And the "height" is that between two baselines in the font. The font
> graphics themselves can go over those lines.)

That's actually not true - at least not in practice. Instead, word 
processing software will usually adjust the line spacing to some other 
font properties.


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From: clipka
Subject: Re: Font metrics
Date: 3 Nov 2009 19:17:19
Message: <4af0c80f$1@news.povray.org>
Orchid XP v8 schrieb:
>> And there is 72 points to the inch.
> 
> Depending on who you ask. ;-)
> 
> (PostScript assigns 72 points to the inch, TeX assigns 72.72, and 
> apparently other systems assign yet other values.)
> 
> Fortunately, in this instance I'm only interested in PS.

The traditional US-american printers' "pica point" was defined for one 
pica (12 points) to be 0.166 inch (giving ca. 72.29 points per inch). 
TeX, being quite traditionalistic regarding typesetting, probably bases 
its definition on this older standard, although I'm quite puzzled why it 
uses the slightly lower value of 72.27 (not 72.72). Maybe it has to do 
with the evolution of the inch since the day the "pica point" was 
standardized. Also, there seems to have been alternative suggestions for 
the definition of the pica point back in the time when it was 
standardized in 1886, one if which would have resulted in exactly 72.27 
points per inch.

However, /the/ "DTP point" gives exactly 72 points per inch, and any 
software using a different definition is a rare exception.


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From: SharkD
Subject: Re: Font metrics
Date: 3 Nov 2009 23:39:48
Message: <4af10594$1@news.povray.org>
On 11/3/2009 7:17 PM, clipka wrote:
> The traditional US-american printers' "pica point" was defined for one
> pica (12 points) to be 0.166 inch (giving ca. 72.29 points per inch).
> TeX, being quite traditionalistic regarding typesetting, probably bases
> its definition on this older standard, although I'm quite puzzled why it
> uses the slightly lower value of 72.27 (not 72.72). Maybe it has to do
> with the evolution of the inch since the day the "pica point" was
> standardized. Also, there seems to have been alternative suggestions for
> the definition of the pica point back in the time when it was
> standardized in 1886, one if which would have resulted in exactly 72.27
> points per inch.
>
> However, /the/ "DTP point" gives exactly 72 points per inch, and any
> software using a different definition is a rare exception.

Pica pica!

       .
       |\
       | \.,,,__________
      /            __!!/
     |(%)    (%)   \
    ()   .     ()  |
     \  ,.,        /
     /             \
  \"/        \''\  |
    \            <_/
     \          <_,|
      .,..,,/"/,  /\\
      \  |  \____/  \\
       ""         __//
           _____ ||''
          /  / \\||
         /  /   \,|
        |__|     \/


Mike


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From: SharkD
Subject: Re: Font metrics
Date: 3 Nov 2009 23:57:41
Message: <4af109c5$1@news.povray.org>
On 11/3/2009 5:49 AM, Invisible wrote:
> Does *anybody* here know what the hell the width of each character in a
> Courier 10pt typeface is?! (Apparently it isn't 10pt.)

So, have you found a single guide which answers all your questions? I'm 
interested in learning about it too.

Mike


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From: Invisible
Subject: Re: Font metrics
Date: 4 Nov 2009 04:26:34
Message: <4af148ca$1@news.povray.org>
SharkD wrote:

> Pica pica!
> 
>       .
>       |\
>       | \.,,,__________
>      /            __!!/
>     |(%)    (%)   \
>    ()   .     ()  |
>     \  ,.,        /
>     /             \
>  \"/        \''\  |
>    \            <_/
>     \          <_,|
>      .,..,,/"/,  /\\
>      \  |  \____/  \\
>       ""         __//
>           _____ ||''
>          /  / \\||
>         /  /   \,|
>        |__|     \/
> 

Oh dear God... >_<


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From: Invisible
Subject: Re: Font metrics
Date: 4 Nov 2009 04:27:36
Message: <4af14908$1@news.povray.org>
SharkD wrote:
> On 11/3/2009 5:49 AM, Invisible wrote:
>> Does *anybody* here know what the hell the width of each character in a
>> Courier 10pt typeface is?! (Apparently it isn't 10pt.)
> 
> So, have you found a single guide which answers all your questions? I'm 
> interested in learning about it too.

Nope. In the end, I had to measure the metrics emperically. Google was 
useless.


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