Re: Distances between chapter and section titles and text

[Wolfgang Schuster <schuster.wolfgang@gmail.com>]

Am 18.08.2014 um 09:29 schrieb Robert Blackstone <blackstone.robert@gmail.com>:

> 
> On 17 aug. 2014, at 20:06, <joshua.kraemer@gmail.com> wrot
> 
>> On 2014-08-15, 19:56, Robert Blackstone wrote:
>> 
>>> A few days ago I posted this question. There were no reactions, but
>>> it is not an urgent matter for me anymore since I found an effective
>>> work-around. (Although I still wonder whether or not this possibility
>>> exists in mkiv,)
>> 
>> I have not seen the issue you have described myself.  The attached
>> example works for me.  You have to prepare a minimal working example
>> that shows the problem.  Maybe then somebody can identify the reason
>> for your issue.
>> 
>> ********************************************
> Hello Joshua,
> Thanks for your reaction.
> The minimal example you gave works here as well, but it does not really concern the problem I had.
> 
> When you add a section right at the beginning of the chapter, as is the case for nearly all of the chapters of my project, things become different.
> Here is your ME with sections added:
> 
> ===================================================
> \starttext
> 
> %\startfrontmatter
> %\input knuth
> %\stopfrontmatter
> 
> \startbodymatter
> 
> \setuphead [chapter] [
> 	number=yes,
> 	alternative=middle,
> 	style=\tfa \bf,
> 	after={\blank[0.5cm]},
> ]
> 
> \chapter{One}
> \section{One a}
> \input knuth
> 
> \setuphead [chapter] [
> 	number=yes,
> 	alternative=middle,
> 	style=\tfa \bf,
> 	after={\blank[0.1cm]},
> ]
> 
> \chapter{Two}
> 
> \section{Two a}
> \input knuth
> 
> \stopbodymatter
> 
> \stoptext
> ===================================================
> Despite different setups for the chapter head the distances: chapter head - section head - beginning of the text,  are identical in both chapters (±1 pixel).
> But I have realized now, a bit late, that for real control over these distances one also needs to setup the section-head in a similar manner, additionally specifying the distance "before".
> The presence or absence of Frontmatter does not influence results.
> I think there must have been a setup command somewhere in my setups that I had forgotten about.

You’re forgetting that \section insert also a space before the text is placed. In a case where two commands insert a space at the same position like here the larger value is used which comes in the second chapter from the \section command.

Wolfgang
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