Re: Offseting the baseline grid, and irregular columnsets

[Stefan Nedeljkovic via ntg-context <ntg-context@ntg.nl>]

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Thanks Rik, that fixed the issue with at which line the text begins, but I
still get the grid offset.

On Fri, May 27, 2022 at 6:33 PM Rik Kabel via ntg-context <
ntg-context@ntg.nl> wrote:

> 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@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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