[NTG-context] Offseting the baseline grid, and irregular columnsets

Rik Kabel ConTeXt at rik.users.panix.com
Fri May 27 18:15:09 CEST 2022


You left out the comma after the backspace setting. WIth that in, all is 
well.

On 2022-05-27 12:03, Stefan Nedeljkovic via ntg-context wrote:
> Thank you very much Aditya for looking into this. But I still have the 
> same baseline grid offset problem. Interestingly, when I remove the 
> columns, the text shifts downwards by two lines.
> My code:
>
> \definemeasure[xheight][0.1in]
>
> \definemeasure[base][3\measured{xheight}]
>
> % Since all distances are in terms of base units, specify the paper 
> size in those
>
> % terms as well.
>
> \definepapersize[slide][width=26\measured{base},height=20\measured{base}]
>
> \setuppapersize[slide]
>
> \setupinterlinespace[line=\measure{base}]
>
> \setuplayout
>
> [
>
> topspace=2\measured{base},
>
> header=\zeropoint,
>
> headerdistance=\zeropoint,
>
> height=middle, % Space for 20-4=16 lines
>
> footerdistance=\zeropoint,
>
> footer=\zeropoint,
>
> bottomspace=2\measured{base},
>
> %
>
> cutspace=2\measured{base},
>
> leftmargin=\zeropoint,
>
> leftmargindistance=\zeropoint,
>
> width=middle, % space for 26-4=22 col
>
> rightmargindistance=\zeropoint,
>
> rightmargin=\zeropoint,
>
> backspace=2\measured{base}
>
> grid=yes,
>
> ]
>
> \showframe
>
> \showgrid
>
> \starttext
>
> \input tufte
>
> \stoptext
>
> I'm attaching the pdf output.
>
>
> On Fri, May 27, 2022 at 5:00 PM Aditya Mahajan <adityam at umich.edu> wrote:
>
>     On Wed, 25 May 2022, Stefan Nedeljkovic via ntg-context wrote:
>
>     > Dear list,
>     >
>     > My adventures into the world of grids continue. In the linked file
>     > (slide_grid_overlay.pdf) there are two things I cannot yet achieve:
>     >
>     >     1. I want the baseline grid to evenly (vertically) divide
>     the text
>     > area, but my code produces a smaller height of the first line and an
>     > additional space at the bottom.
>
>     You did not set footerdistance to zero. So, that takes up some space.
>
>     >     2. The number of columns is 21.5, that is the first column
>     is 0.5 units
>     > wide and the rest are 1 unit wide.
>
>     I believe that columns has to be an integer. Why do you want
>     fractional columns? Columns are useful because you can say:
>
>     \setlayer[name][line=2,column=3]{....}
>
>     for absolute positioning of layers. So, you can always use:
>
>     \setlayer[name][line=2,column=3,x=0.5\measured{base}]{....}
>
>     to move everything to the right by 0.5 units.
>
>     Another option is not to use columns at all, and simply do:
>
>     \setlayer[name][line=2,x=3.5\measured{base}]
>
>     which will place the layer at 3.5 units from the left edge of the
>     text area.
>
>     > Here is what I got right now:
>
>     Currently your textwidth is not a multiple of base units. I have
>     tweaked the code below so that it is.
>
>     \definemeasure[xheight][0.1in]
>     \definemeasure[base][3\measured{xheight}]
>
>     % Since all distances are in terms of base units, specify the
>     paper size in those
>     % terms as well.
>     \definepapersize[slide][width=26\measured{base},height=20\measured{base}]
>     \setuppapersize[slide]
>
>     \setupinterlinespace[line=\measure{base}]
>
>     \setuplayout
>         [
>           topspace=2\measured{base},
>           header=\zeropoint,
>           headerdistance=\zeropoint,
>           height=middle, % Space for 20-4=16 lines
>           footerdistance=\zeropoint,
>           footer=\zeropoint,
>           bottomspace=2\measured{base},
>           %
>           cutspace=2\measured{base},
>           leftmargin=\zeropoint,
>           leftmargindistance=\zeropoint,
>           width=middle, % space for 26-4=22 col
>           rightmargindistance=\zeropoint,
>           rightmargin=\zeropoint,
>           backspace=2\measured{base},
>           %
>           columns=22,
>           columndistance=1pt,
>           %
>           grid=yes,
>         ]
>
>
>     \showframe
>     \showgrid
>
>     \starttext
>     \input tufte
>     \stoptext
>
>
>     Aditya
>
>
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