What units are pgfphysicalheight and pgfphysicalwidth defined in?












2















I often use pgfphysicalheight and pgfphysicalwidth from the pgfpages package to define sizes dynamically based on the dimensions of my page (which vary). For example, here's a "dynamic" vertical space:



vspace*{.04pgfphysicalheight}


What units are these pgf values actually in? In other words, what is the value of pgfphysicalheight if my document height is 10in?



I found nothing in the pgfpages docs. Also tried logging the values with show, but got something cryptic like "dimen195" which I couldn't decipher further.






tikz-pgf lengths pgfpages







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  • 2





    use showthe not show

    – David Carlisle
    5 hours ago
















2















I often use pgfphysicalheight and pgfphysicalwidth from the pgfpages package to define sizes dynamically based on the dimensions of my page (which vary). For example, here's a "dynamic" vertical space:



vspace*{.04pgfphysicalheight}


What units are these pgf values actually in? In other words, what is the value of pgfphysicalheight if my document height is 10in?



I found nothing in the pgfpages docs. Also tried logging the values with show, but got something cryptic like "dimen195" which I couldn't decipher further.






tikz-pgf lengths pgfpages







share|improve this question




















  • 2





    use showthe not show

    – David Carlisle
    5 hours ago














2












2








2








I often use pgfphysicalheight and pgfphysicalwidth from the pgfpages package to define sizes dynamically based on the dimensions of my page (which vary). For example, here's a "dynamic" vertical space:



vspace*{.04pgfphysicalheight}


What units are these pgf values actually in? In other words, what is the value of pgfphysicalheight if my document height is 10in?



I found nothing in the pgfpages docs. Also tried logging the values with show, but got something cryptic like "dimen195" which I couldn't decipher further.






tikz-pgf lengths pgfpages







share|improve this question
















I often use pgfphysicalheight and pgfphysicalwidth from the pgfpages package to define sizes dynamically based on the dimensions of my page (which vary). For example, here's a "dynamic" vertical space:



vspace*{.04pgfphysicalheight}


What units are these pgf values actually in? In other words, what is the value of pgfphysicalheight if my document height is 10in?



I found nothing in the pgfpages docs. Also tried logging the values with show, but got something cryptic like "dimen195" which I couldn't decipher further.






tikz-pgf lengths pgfpages




tikz-pgf lengths pgfpages






share|improve this question















share|improve this question













share|improve this question




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edited 5 hours ago









David Carlisle

501k4211471897




501k4211471897










asked 5 hours ago









kontextifykontextify

1765




1765








  • 2





    use showthe not show

    – David Carlisle
    5 hours ago














  • 2





    use showthe not show

    – David Carlisle
    5 hours ago








2




2





use showthe not show

– David Carlisle
5 hours ago





use showthe not show

– David Carlisle
5 hours ago










1 Answer
1






active

oldest

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5














A TeX length (dimen or skip) register does not store the units used when the value is set, whether you use pt or cm or whatever is not recorded and it just saves the value as an integer which is the length in sp, if you look at the value using the or showthe then TeX will show the value using pt units (that is, the stored integer divided by 65536)



On the terminal you could see this for example by:



$ latex 

This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019) (preloaded format=latex)

 restricted write18 enabled.

**relax

entering extended mode

LaTeX2e <2018-12-01>



*textheight=10in



*showthetextheight

> 722.7pt.

<*> showthetextheight





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    1 Answer
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    1 Answer
    1






    active

    oldest

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    active

    oldest

    votes









    5














    A TeX length (dimen or skip) register does not store the units used when the value is set, whether you use pt or cm or whatever is not recorded and it just saves the value as an integer which is the length in sp, if you look at the value using the or showthe then TeX will show the value using pt units (that is, the stored integer divided by 65536)



    On the terminal you could see this for example by:



    $ latex 
    
This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019) (preloaded format=latex)
    
 restricted write18 enabled.
    
**relax
    
entering extended mode
    
LaTeX2e <2018-12-01>
    

    
*textheight=10in
    

    
*showthetextheight
    
> 722.7pt.
    
<*> showthetextheight





    share|improve this answer






























      5














      A TeX length (dimen or skip) register does not store the units used when the value is set, whether you use pt or cm or whatever is not recorded and it just saves the value as an integer which is the length in sp, if you look at the value using the or showthe then TeX will show the value using pt units (that is, the stored integer divided by 65536)



      On the terminal you could see this for example by:



      $ latex 
      
This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019) (preloaded format=latex)
      
 restricted write18 enabled.
      
**relax
      
entering extended mode
      
LaTeX2e <2018-12-01>
      

      
*textheight=10in
      

      
*showthetextheight
      
> 722.7pt.
      
<*> showthetextheight





      share|improve this answer




























        5












        5








        5







        A TeX length (dimen or skip) register does not store the units used when the value is set, whether you use pt or cm or whatever is not recorded and it just saves the value as an integer which is the length in sp, if you look at the value using the or showthe then TeX will show the value using pt units (that is, the stored integer divided by 65536)



        On the terminal you could see this for example by:



        $ latex 
        
This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019) (preloaded format=latex)
        
 restricted write18 enabled.
        
**relax
        
entering extended mode
        
LaTeX2e <2018-12-01>
        

        
*textheight=10in
        

        
*showthetextheight
        
> 722.7pt.
        
<*> showthetextheight





        share|improve this answer















        A TeX length (dimen or skip) register does not store the units used when the value is set, whether you use pt or cm or whatever is not recorded and it just saves the value as an integer which is the length in sp, if you look at the value using the or showthe then TeX will show the value using pt units (that is, the stored integer divided by 65536)



        On the terminal you could see this for example by:



        $ latex 
        
This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019) (preloaded format=latex)
        
 restricted write18 enabled.
        
**relax
        
entering extended mode
        
LaTeX2e <2018-12-01>
        

        
*textheight=10in
        

        
*showthetextheight
        
> 722.7pt.
        
<*> showthetextheight






        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited 5 hours ago

























        answered 5 hours ago









        David CarlisleDavid Carlisle

        501k4211471897




        501k4211471897






























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